magento mysql悬挂

of1yzvn4 于 2021-06-21 发布在 Mysql

关注(0)|答案(6)|浏览(578)

我在网上搜索了很多地方，找到了一些关于magento安装数据库问题的答案。
这个网站在这样的时刻是不可用的（大多数时间持续大约15分钟，并自行解决），而不是前端和后端。我尝试过mysql的各种调整脚本，将索引设置为手动，将数据库移动到专用服务器，等等。ubuntu操作系统的日志和magento日志都显示了任何不寻常的错误消息。针对ddos安装fail2ban。
mysql进程正在使用或使用100%以上的百分比或使用0.0%的百分比（！！！）但整个服务器似乎都冻结了。有时，即使是我用putty/ssh输入的字符，在服务器恢复自身之前也不会显示出来。
专用数据库服务器有32gbram，mysql使用25g左右。
顶部：840 mysql 20 0 25640g 0011t 6632 s 26,2 34,2 270:08.31 mysqld
设置my.cnf：

[mysqld]
key_buffer              = 512M
max_allowed_packet      = 64M
thread_stack            = 512K
thread_cache_size       = 512
sort_buffer_size        = 24M
read_buffer_size        = 8M
read_rnd_buffer_size    = 24M
join_buffer_size        = 128M
max_connections         = 1024
concurrent_insert       = 2
connect_timeout         = 5
table_open_cache        = 12288
tmp_table_size          = 512M
max_heap_table_size     = 512M
bulk_insert_buffer_size = 512M
open-files-limit        = 8192
open-files              = 1024
query_cache_type=1
query_cache_limit       = 4M
query_cache_size        = 512M
slow_query_log_file     = /var/log/mysql/slow.log
slow_query_log          = 0
long_query_time         = 0.2
expire_logs_days        = 10
max_binlog_size         = 1024M
binlog_cache_size       = 32K
innodb_thread_concurrency       = 16
innodb_commit_concurrency       = 2
innodb_buffer_pool_size = 16G
innodb_log_file_size    = 512M
innodb_additional_mem_pool_size = 8M
# innodb_data_file_path   = ibdata1:1024M:autoextend
innodb_file_per_table
innodb_flush_log_at_trx_commit = 2
innodb_log_buffer_size  = 2G

显示完整进程列表的输出：

| Id    | User            | Host                            | db              | Command | Time | State              | Info                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
++
| 76636 | juwelierwebshop | ...:40316 | juwelierwebshop | Query   |  328 | query end          | INSERT INTO abctools_merkgevuld (sku) VALUES ('JUPA22655')                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| 76638 | juwelierwebshop | ...:40344 | juwelierwebshop | Sleep   |  328 |                    | NULL                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| 76642 | juwelierwebshop | ...:40484 | juwelierwebshop | Query   |   54 | query end          | SELECT `main_table`.* FROM `bolconnect_items_be` AS `main_table` WHERE (product_id = '62622')                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 76695 | juwelierwebshop | ...:54112 | juwelierwebshop | Sleep   |  603 |                    | NULL                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| 76696 | juwelierwebshop | ...:54126 | juwelierwebshop | Query   |   54 | update             | INSERT INTO `bolconnect_offerlist` (`ean`, `prijs`, `leverancier`, `sellerid`, `sellerrating`, `avdesc`, `koopbox`, `updated_at`) VALUES ('8718834545421', '619', 'abc', '1121928', '8.8', '5 - 7 dagen', '1', '2018-09-07 12:10:10')                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| 77039 | juwelierwebshop | ...:40290 | juwelierwebshop | Query   |   54 | Sending data       | INSERT INTO `sales_flat_order_grid` (`entity_id`, `status`, `store_id`, `customer_id`, `base_grand_total`, `base_total_paid`, `grand_total`, `total_paid`, `increment_id`, `base_currency_code`, `order_currency_code`, `store_name`, `created_at`, `updated_at`, `billing_name`, `shipping_name`) SELECT `main_table`.`entity_id`, `main_table`.`status`, `main_table`.`store_id`, `main_table`.`customer_id`, `main_table`.`base_grand_total`, `main_table`.`base_total_paid`, `main_table`.`grand_total`, `main_table`.`total_paid`, `main_table`.`increment_id`, `main_table`.`base_currency_code`, `main_table`.`order_currency_code`, `main_table`.`store_name`, `main_table`.`created_at`, `main_table`.`updated_at`, CONCAT(IFNULL(table_billing_name.firstname, ''), ' ', IFNULL(table_billing_name.lastname, '')) AS `billing_name`, CONCAT(IFNULL(table_shipping_name.firstname, ''), ' ', IFNULL(table_shipping_name.lastname, '')) AS `shipping_name` FROM `sales_flat_order` AS `main_table`
 LEFT JOIN `sales_flat_order_address` AS `table_billing_name` ON `main_table`.`billing_address_id`=`table_billing_name`.`entity_id`
 LEFT JOIN `sales_flat_order_address` AS `table_shipping_name` ON `main_table`.`shipping_address_id`=`table_shipping_name`.`entity_id` WHERE (main_table.entity_id IN('27894')) ON DUPLICATE KEY UPDATE `entity_id` = VALUES(`entity_id`), `status` = VALUES(`status`), `store_id` = VALUES(`store_id`), `customer_id` = VALUES(`customer_id`), `base_grand_total` = VALUES(`base_grand_total`), `base_total_paid` = VALUES(`base_total_paid`), `grand_total` = VALUES(`grand_total`), `total_paid` = VALUES(`total_paid`), `increment_id` = VALUES(`increment_id`), `base_currency_code` = VALUES(`base_currency_code`), `order_currency_code` = VALUES(`order_currency_code`), `store_name` = VALUES(`store_name`), `created_at` = VALUES(`created_at`), `updated_at` = VALUES(`updated_at`), `billing_name` = VALUES(`billing_name`), `shipping_name` = VALUES(`shipping_name`) |
| 77041 | juwelierwebshop | ...:40578 | juwelierwebshop | Query   |   54 | statistics         | SELECT `catalog_product_entity`.* FROM `catalog_product_entity` WHERE (entity_id ='45702')                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| 77042 | juwelierwebshop | ...:40766 | juwelierwebshop | Query   |   54 | Sending data       | SELECT COUNT(DISTINCT e.entity_id) FROM `catalog_product_flat_2` AS `e`
 INNER JOIN `report_viewed_product_index` AS `idx_table` ON (idx_table.product_id=e.entity_id) AND (idx_table.visitor_id = '')
 INNER JOIN `catalog_category_product_index` AS `cat_index` ON cat_index.product_id=e.entity_id AND cat_index.store_id=2 AND cat_index.category_id = '2'
 LEFT JOIN `core_store` AS `store_index` ON store_index.store_id = idx_table.store_id
 LEFT JOIN `core_store_group` AS `store_group_index` ON store_index.group_id = store_group_index.group_id
 LEFT JOIN `catalog_category_product_index` AS `store_cat_index` ON store_cat_index.product_id = e.entity_id AND store_cat_index.store_id = idx_table.store_id AND store_cat_index.category_id=store_group_index.root_category_id WHERE (cat_index.visibility IN(3, 2, 4) OR store_cat_index.visibility IN(3, 2, 4))                                                                                                                                                                             |
| 77043 | juwelierwebshop | ...:40930 | juwelierwebshop | Query   |   54 | statistics         | SELECT `catalog_category_entity`.* FROM `catalog_category_entity` WHERE (entity_id ='37')                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| 77047 | juwelierwebshop | ...:42478 | juwelierwebshop | Query   |   53 | Sending data       | SELECT COUNT(DISTINCT e.entity_id) FROM `catalog_product_entity` AS `e`
 INNER JOIN `catalog_product_entity_int` AS `at_status` ON (`at_status`.`entity_id` = `e`.`entity_id`) AND (`at_status`.`attribute_id` = '96') AND (`at_status`.`store_id` = 0)
 INNER JOIN `catalog_product_entity_int` AS `at_visibility` ON (`at_visibility`.`entity_id` = `e`.`entity_id`) AND (`at_visibility`.`attribute_id` = '102') AND (`at_visibility`.`store_id` = 0)
 INNER JOIN `catalog_product_entity_varchar` AS `at_name` ON (`at_name`.`entity_id` = `e`.`entity_id`) AND (`at_name`.`attribute_id` = '71') AND (`at_name`.`store_id` = 0) WHERE (at_name.value LIKE '%BUDDHA TO BUDDHA 811 SIGNIFY CORD BRACELET BROWN%')                                                                                                                                                                                                                                                                                                                                             |
| 77050 | juwelierwebshop | ...:43538 | juwelierwebshop | Query   |   54 | updating           | UPDATE `sales_flat_quote_address` SET `quote_id` = '62660', `created_at` = '2018-09-02 19:38:03', `updated_at` = '2018-09-07 12:10:10', `customer_id` = '22445', `save_in_address_book` = '0', `customer_address_id` = '45277', `address_type` = 'billing', `email` = 'abc@email.nl', `prefix` = NULL, `firstname` = 'Pieter', `middlename` = NULL, `lastname` = 'Slits', `suffix` = NULL, `company` = NULL, `street` = 'Steurgat\n92', `city` = 'Gorinchem', `region` = 'Zuid-Holland', `region_id` = NULL, `postcode` = '4208BL', `country_id` = 'NL', `telephone` = '0621263156', `fax` = NULL, `same_as_billing` = '0', `free_shipping` = '0', `collect_shipping_rates` = '0', `shipping_method` = NULL, `shipping_description` = NULL, `weight` = '0', `subtotal` = '0', `base_subtotal` = '0', `subtotal_with_discount` = '0', `base_subtotal_with_discount` = '0', `tax_amount` = '0', `base_tax_amount` = '0', `shipping_amount` = '0', `base_shipping_amount` = '0', `shipping_tax_amount` = '0', `base_shipping_tax_amount` = '0', `discount_amount` = '0', `base_discount_amount` = '0', `grand_total` = '0', `base_grand_total` = '0', `customer_notes` = NULL, `applied_taxes` = 'a:0:{}', `discount_description` = NULL, `shipping_discount_amount` = NULL, `base_shipping_discount_amount` = NULL, `subtotal_incl_tax` = '0', `base_subtotal_total_incl_tax` = NULL, `hidden_tax_amount` = NULL, `base_hidden_tax_amount` = NULL, `shipping_hidden_tax_amount` = NULL, `base_shipping_hidden_tax_amnt` = NULL, `shipping_incl_tax` = '0', `base_shipping_incl_tax` = '0', `vat_id` = NULL, `vat_is_valid` = NULL, `vat_request_id` = NULL, `vat_request_date` = NULL, `vat_request_success` = NULL, `gift_message_id` = NULL, `kp_id` = NULL, `payment_fee` = '0', `base_payment_fee` = '0', `payment_fee_tax` = '0', `base_payment_fee_tax` = '0' WHERE (address_id='121757') |
| 77052 | juwelierwebshop | ...:43840 | juwelierwebshop | Query   |   54 | init               | commit                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| 77053 | juwelierwebshop | ...:44590 | juwelierwebshop | Query   |  204 | removing tmp table | SELECT `customer_address_entity_varchar`.`entity_id`, `customer_address_entity_varchar`.`attribute_id`, `customer_address_entity_varchar`.`value` FROM `customer_address_entity_varchar` WHERE (entity_type_id =2) AND (entity_id IN (45277)) AND (attribute_id IN ('26', '24', '27', '32', '20', '22', '21', '30', '19', '28', '23', '31', '36', '39', '38')) UNION ALL SELECT `customer_address_entity_int`.`entity_id`, `customer_address_entity_int`.`attribute_id`, `customer_address_entity_int`.`value` FROM `customer_address_entity_int` WHERE (entity_type_id =2) AND (entity_id IN (45277)) AND (attribute_id IN ('29', '37', '40')) UNION ALL SELECT `customer_address_entity_text`.`entity_id`, `customer_address_entity_text`.`attribute_id`, `customer_address_entity_text`.`value` FROM `customer_address_entity_text` WHERE (entity_type_id =2) AND (entity_id IN (45277)) AND (attribute_id IN ('25'))                                                                                                                                         |
| 77055 | juwelierwebshop | ...:44704 | juwelierwebshop | Query   |  203 | Opening tables     | SELECT `customer_address_entity_varchar`.`entity_id`, `customer_address_entity_varchar`.`attribute_id`, `customer_address_entity_varchar`.`value` FROM `customer_address_entity_varchar` WHERE (entity_type_id =2) AND (entity_id IN (45277)) AND (attribute_id IN ('26', '24', '27', '32', '20', '22', '21', '30', '19', '28', '23', '31', '36', '39', '38')) UNION ALL SELECT `customer_address_entity_int`.`entity_id`, `customer_address_entity_int`.`attribute_id`, `customer_address_entity_int`.`value` FROM `customer_address_entity_int` WHERE (entity_type_id =2) AND (entity_id IN (45277)) AND (attribute_id IN ('29', '37', '40')) UNION ALL SELECT `customer_address_entity_text`.`entity_id`, `customer_address_entity_text`.`attribute_id`, `customer_address_entity_text`.`value` FROM `customer_address_entity_text` WHERE (entity_type_id =2) AND (entity_id IN (45277)) AND (attribute_id IN ('25'))                                                                                                                                         |
| 77056 | juwelierwebshop | ...:44950 | juwelierwebshop | Query   |  199 | Opening tables     | SELECT `customer_address_entity_varchar`.`entity_id`, `customer_address_entity_varchar`.`attribute_id`, `customer_address_entity_varchar`.`value` FROM `customer_address_entity_varchar` WHERE (entity_type_id =2) AND (entity_id IN (45277)) AND (attribute_id IN ('26', '24', '27', '32', '20', '22', '21', '30', '19', '28', '23', '31', '36', '39', '38')) UNION ALL SELECT `customer_address_entity_int`.`entity_id`, `customer_address_entity_int`.`attribute_id`, `customer_address_entity_int`.`value` FROM `customer_address_entity_int` WHERE (entity_type_id =2) AND (entity_id IN (45277)) AND (attribute_id IN ('29', '37', '40')) UNION ALL SELECT `customer_address_entity_text`.`entity_id`, `customer_address_entity_text`.`attribute_id`, `customer_address_entity_text`.`value` FROM `customer_address_entity_text` WHERE (entity_type_id =2) AND (entity_id IN (45277)) AND (attribute_id IN ('25'))                                                                                                                                         |
| 77058 | juwelierwebshop | ...:45508 | juwelierwebshop | Query   |   54 | Sending data       | SELECT `catalog_product_website`.`website_id` FROM `catalog_product_website` WHERE (product_id = 16722)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 77063 | juwelierwebshop | ...:45836 | juwelierwebshop | Query   |   54 | update             | INSERT INTO `sales_flat_quote_address` (`quote_id`, `created_at`, `updated_at`, `customer_id`, `address_type`, `city`, `region`, `region_id`, `postcode`, `country_id`, `same_as_billing`, `collect_shipping_rates`, `shipping_method`, `shipping_description`, `shipping_amount`, `base_shipping_amount`) VALUES ('65679', '2018-09-07 12:10:10', '2018-09-07 12:10:10', NULL, 'shipping', NULL, NULL, '0', NULL, 'NL', '1', '1', 'flatrate_flatrate', NULL, '0', '0')                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 77067 | juwelierwebshop | ...:46232 | juwelierwebshop | Query   |  229 | update             | INSERT INTO `sales_flat_quote` (`store_id`, `created_at`, `updated_at`, `store_to_base_rate`, `store_to_quote_rate`, `base_currency_code`, `store_currency_code`, `quote_currency_code`, `remote_ip`, `global_currency_code`, `base_to_global_rate`, `base_to_quote_rate`, `is_changed`, `allow_alerts`) VALUES ('2', '2018-09-07 12:07:15', '2018-09-07 12:07:15', '1', '1', 'EUR', 'EUR', 'EUR', '81.169.242.132', 'EUR', '1', '1', '1', '1')                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| 77069 | juwelierwebshop | ...:46678 | juwelierwebshop | Query   |  222 | query end          | SELECT `t_d`.`entity_id`, `t_d`.`attribute_id`, `t_d`.`value` AS `default_value`, `t_s`.`value` AS `store_value`, IF(t_s.value_id IS NULL, t_d.value, t_s.value) AS `value` FROM `catalog_category_entity_varchar` AS `t_d`
 LEFT JOIN `catalog_category_entity_varchar` AS `t_s` ON t_s.attribute_id = t_d.attribute_id AND t_s.entity_id = t_d.entity_id AND t_s.store_id = 2 WHERE (t_d.entity_type_id = 3) AND (t_d.entity_id IN (260)) AND (t_d.attribute_id IN ('41')) AND (t_d.store_id = 0)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| 77074 | juwelierwebshop | ...:46984 | juwelierwebshop | Query   |  216 | query end          | SELECT `e`.*, IF(at_is_active.value_id > 0, at_is_active.value, at_is_active_default.value) AS `is_active` FROM `catalog_category_entity` AS `e`
 INNER JOIN `catalog_category_entity_int` AS `at_is_active_default` ON (`at_is_active_default`.`entity_id` = `e`.`entity_id`) AND (`at_is_active_default`.`attribute_id` = '42') AND `at_is_active_default`.`store_id` = 0
 LEFT JOIN `catalog_category_entity_int` AS `at_is_active` ON (`at_is_active`.`entity_id` = `e`.`entity_id`) AND (`at_is_active`.`attribute_id` = '42') AND (`at_is_active`.`store_id` = 2) WHERE (`e`.`entity_type_id` = '3') AND (`e`.`entity_id` IN('365')) AND (IF(at_is_active.value_id > 0, at_is_active.value, at_is_active_default.value) = '1')                                                                                                                                                                                                                                                                                                                             |
| 77076 | juwelierwebshop | ...:47082 | juwelierwebshop | Query   |  214 | query end          | SELECT `t_d`.`entity_id`, `t_d`.`attribute_id`, `t_d`.`value` AS `default_value`, `t_s`.`value` AS `store_value`, IF(t_s.value_id IS NULL, t_d.value, t_s.value) AS `value` FROM `catalog_category_entity_varchar` AS `t_d`
 LEFT JOIN `catalog_category_entity_varchar` AS `t_s` ON t_s.attribute_id = t_d.attribute_id AND t_s.entity_id = t_d.entity_id AND t_s.store_id = 2 WHERE (t_d.entity_type_id = 3) AND (t_d.entity_id IN (187)) AND (t_d.attribute_id IN ('41')) AND (t_d.store_id = 0)

.. 还有更多
输出ulimit-a：

core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 1030957
max locked memory       (kbytes, -l) 64
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 10240
cpu time               (seconds, -t) unlimited
max user processes              (-u) 1030957
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

mysql database-performance magento entity-attribute-value magento-1.9

来源：https://stackoverflow.com/questions/52362712/magento-mysql-hanging

6条答案

按热度按时间

kmbjn2e31#

只要我的帖子太长，我会在这里发布附加信息。。。
显示全局状态：

Aborted_clients
146
Aborted_connects
286
Binlog_cache_disk_use
0
Binlog_cache_use
0
Binlog_stmt_cache_disk_use
0
Binlog_stmt_cache_use
0
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262381827589
Bytes_sent
934591758226
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13
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0
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0
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Com_alter_server
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Com_alter_tablespace
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21257476
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Com_delete_multi
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1980
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0
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0
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11
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1143891
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1
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20700
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236
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193
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0
Com_update
13681401
Com_update_multi
38290135
Com_xa_commit
0
Com_xa_end
0
Com_xa_prepare
0
Com_xa_recover
0
Com_xa_rollback
0
Com_xa_start
0
Compression
OFF
Connection_errors_accept
0
Connection_errors_internal
0
Connection_errors_max_connections
0
Connection_errors_peer_address
0
Connection_errors_select
0
Connection_errors_tcpwrap
0
Connections
1754922
Created_tmp_disk_tables
32299788
Created_tmp_files
2827
Created_tmp_tables
67858347
Delayed_errors
0
Delayed_insert_threads
0
Delayed_writes
0
Flush_commands
1
Handler_commit
537556955
Handler_delete
21203603
Handler_discover
0
Handler_external_lock
2080617356
Handler_mrr_init
0
Handler_prepare
0
Handler_read_first
5701366
Handler_read_key
26262529583
Handler_read_last
31617
Handler_read_next
109928062206
Handler_read_prev
212093135
Handler_read_rnd
6690959918
Handler_read_rnd_next
26130974483
Handler_rollback
99880
Handler_savepoint
0
Handler_savepoint_rollback
0
Handler_update
80365845
Handler_write
3262327514
Innodb_buffer_pool_dump_status
not started
Innodb_buffer_pool_load_status
not started
Innodb_buffer_pool_pages_data
384476
Innodb_buffer_pool_bytes_data
6299254784
Innodb_buffer_pool_pages_dirty
95
Innodb_buffer_pool_bytes_dirty
1556480
Innodb_buffer_pool_pages_flushed
16849536
Innodb_buffer_pool_pages_free
617389
Innodb_buffer_pool_pages_misc
46707
Innodb_buffer_pool_pages_total
1048572
Innodb_buffer_pool_read_ahead_rnd
0
Innodb_buffer_pool_read_ahead
26706
Innodb_buffer_pool_read_ahead_evicted
0
Innodb_buffer_pool_read_requests
235232077708
Innodb_buffer_pool_reads
157875
Innodb_buffer_pool_wait_free
0
Innodb_buffer_pool_write_requests
523402314
Innodb_data_fsyncs
8277097
Variable_name
Value
Innodb_data_pending_fsyncs
0
Innodb_data_pending_reads
0
Innodb_data_pending_writes
0
Innodb_data_read
3187642368
Innodb_data_reads
195006
Innodb_data_writes
46743559
Innodb_data_written
669383931392
Innodb_dblwr_pages_written
16849536
Innodb_dblwr_writes
2819209
Innodb_have_atomic_builtins
ON
Innodb_log_waits
0
Innodb_log_write_requests
231729452
Innodb_log_writes
26991919
Innodb_os_log_fsyncs
1177300
Innodb_os_log_pending_fsyncs
0
Innodb_os_log_pending_writes
0
Innodb_os_log_written
117223886848
Innodb_page_size
16384
Innodb_pages_created
244392
Innodb_pages_read
194427
Innodb_pages_written
16849536
Innodb_row_lock_current_waits
0
Innodb_row_lock_time
19483692
Innodb_row_lock_time_avg
2345
Innodb_row_lock_time_max
51715
Innodb_row_lock_waits
8306
Innodb_rows_deleted
20957957
Innodb_rows_inserted
27091885
Innodb_rows_read
156431546126
Innodb_rows_updated
25463060
Innodb_num_open_files
573
Innodb_truncated_status_writes
0
Innodb_available_undo_logs
128
Key_blocks_not_flushed
0
Key_blocks_unused
247176
Key_blocks_used
181543
Key_read_requests
478108001
Key_reads
171224
Key_write_requests
42044666
Key_writes
32000663
Last_query_cost
0.000000
Last_query_partial_plans
0
Max_used_connections
108
Not_flushed_delayed_rows
0
Open_files
132
Open_streams
0
Open_table_definitions
695
Open_tables
2157
Opened_files
129209548
Opened_table_definitions
5035
Opened_tables
98173
Performance_schema_accounts_lost
0
Performance_schema_cond_classes_lost
0
Performance_schema_cond_instances_lost
0
Performance_schema_digest_lost
0
Performance_schema_file_classes_lost
0
Performance_schema_file_handles_lost
0
Performance_schema_file_instances_lost
0
Performance_schema_hosts_lost
0
Performance_schema_locker_lost
0
Performance_schema_mutex_classes_lost
0
Performance_schema_mutex_instances_lost
0
Performance_schema_rwlock_classes_lost
0
Performance_schema_rwlock_instances_lost
0
Performance_schema_session_connect_attrs_lost
0
Performance_schema_socket_classes_lost
0
Performance_schema_socket_instances_lost
0
Performance_schema_stage_classes_lost
0
Performance_schema_statement_classes_lost
0
Performance_schema_table_handles_lost
0
Performance_schema_table_instances_lost
0
Performance_schema_thread_classes_lost
0
Performance_schema_thread_instances_lost
0
Performance_schema_users_lost
0
Prepared_stmt_count
0
Qcache_free_blocks
1
Qcache_free_memory
536852816
Qcache_hits
0
Qcache_inserts
0
Qcache_lowmem_prunes
0
Qcache_not_cached
450105606
Qcache_queries_in_cache
0
Qcache_total_blocks
1
Queries
570344429
Questions
570344415
Select_full_join
336026
Select_full_range_join
1914512
Select_range
21082218
Select_range_check
0
Select_scan
37881116
Slave_heartbeat_period
Slave_last_heartbeat
Slave_open_temp_tables
0
Slave_received_heartbeats
Slave_retried_transactions
Slave_running
OFF
Slow_launch_threads
0
Slow_queries
359667
Sort_merge_passes
1690
Sort_range
24277510
Variable_name
Value
Sort_rows
2017426115
Sort_scan
66464668
Ssl_accept_renegotiates
0
Ssl_accepts
0
Ssl_callback_cache_hits
0
Ssl_cipher
Ssl_cipher_list
Ssl_client_connects
0
Ssl_connect_renegotiates
0
Ssl_ctx_verify_depth
0
Ssl_ctx_verify_mode
0
Ssl_default_timeout
0
Ssl_finished_accepts
0
Ssl_finished_connects
0
Ssl_server_not_after
Ssl_server_not_before
Ssl_session_cache_hits
0
Ssl_session_cache_misses
0
Ssl_session_cache_mode
NONE
Ssl_session_cache_overflows
0
Ssl_session_cache_size
0
Ssl_session_cache_timeouts
0
Ssl_sessions_reused
0
Ssl_used_session_cache_entries
0
Ssl_verify_depth
0
Ssl_verify_mode
0
Ssl_version
Table_locks_immediate
1022116993
Table_locks_waited
155
Table_open_cache_hits
1022210351
Table_open_cache_misses
2690
Table_open_cache_overflows
0
Tc_log_max_pages_used
0
Tc_log_page_size
0
Tc_log_page_waits
0
Threads_cached
103
Threads_connected
5
Threads_created
108
Threads_running
1
Uptime
929242
Uptime_since_flush_status
929242

展开查看全部

赞(0）回复(0）举报 2021-06-21

4ngedf3f2#

rate per second=rps为my.cnf[mysqld]部分考虑的建议

thread_cache_size=100  # from 512 see refman 5.7 for CAP of 100 suggestions to avoid OOM
innodb_log_buffer_size=512M  # from 2G - BUFFER should NOT be > file size
innodb_log_file_size=2G  # from 512M for a reasonable relationship to BUFFER

以下4个是每个连接的值，您已经超出了上限

sort_buffer_size=4M  # from 24M  default is 2M
read_buffer_size=256K  # from 8M  default is 128K to reduce handler_read_next RPS
read_rnd_buffer_size=512K  # from 24M  default is 256K to reduce handler_read_rnd_next RPS
join_buffer_size=256K  # from 128M default is 128K  for row pointers

请查看我的个人资料，网络资料的联系信息，包括我的skype id和取得联系。

赞(0）回复(0）举报 2021-06-21

gtlvzcf83#

不要盲目地提高价值观，希望它们有所帮助。以下是危险的高，可能会导致交换，这比设置较低要糟糕得多：

key_buffer              = 512M
thread_cache_size       = 512
join_buffer_size        = 128M
max_connections         = 1024
table_open_cache        = 12288
tmp_table_size          = 512M
max_heap_table_size     = 512M
query_cache_size        = 512M
innodb_log_buffer_size  = 2G

考虑将其余的表从myisam移到innodb。
您似乎有很多格式不好的查询和/或缺少索引。slowlog已配置，但已关闭，因此您无法随时获取更多信息。把它打开。
这些有索引吗？它们是数字还是字符串？

main_table.product_id
main_table.entity_id
catalog_category_entity.entity_id
sales_flat_quote_address.address_id

这是恶性优化；可以用别的方法重写吗？。。

WHERE  (cat_index.visibility IN(3, 2, 4)
        OR  store_cat_index.visibility IN(3, 2, 4))

例如，这两个表中的“可见性”是否总是相同的？
你能做点什么吗 COUNT 之前 JOINing ? 囊性纤维变性 SELECT COUNT(DISTINCT e.entity_id) ... 哎哟！eav变得更糟了。客户\地址\实体\ varchar/\ int/\文本

WHERE  (t_d.entity_type_id = 3)
      AND  (t_d.entity_id IN (260))
      AND  (t_d.attribute_id IN ('41'))
      AND  (t_d.store_id = 0)

乞求

`INDEX(entity_type_id, store_id,  -- first, in either order
       entity_id, attribute_id)

修好那些；跑一会儿；再刻 eclipse VARIABLES 以及 GLOBAL STATUS 但打开 Package ，然后我会看看其余的。

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赞(0）回复(0）举报 2021-06-21

5w9g7ksd4#

一般来说，当目录大于50k时
启用平面目录
将索引器模式设置为手动，并为其设置夜间cron。

赞(0）回复(0）举报 2021-06-21

14ifxucb5#

显示全局变量：

auto_increment_increment
1
auto_increment_offset
1
autocommit
ON
automatic_sp_privileges
ON
back_log
254
basedir
/usr
big_tables
OFF
bind_address
* 
binlog_cache_size
32768
binlog_checksum
CRC32
binlog_direct_non_transactional_updates
OFF
binlog_format
STATEMENT
binlog_max_flush_queue_time
0
binlog_order_commits
ON
binlog_row_image
FULL
binlog_rows_query_log_events
OFF
binlog_stmt_cache_size
32768
bulk_insert_buffer_size
536870912
character_set_client
latin1
character_set_connection
latin1
character_set_database
latin1
character_set_filesystem
binary
character_set_results
latin1
character_set_server
latin1
character_set_system
utf8
character_sets_dir
/usr/share/mysql/charsets/
collation_connection
latin1_swedish_ci
collation_database
latin1_swedish_ci
collation_server
latin1_swedish_ci
completion_type
NO_CHAIN
concurrent_insert
ALWAYS
connect_timeout
5
core_file
OFF
datadir
/var/lib/mysql/
date_format
%Y-%m-%d
datetime_format
%Y-%m-%d %H:%i:%s
default_storage_engine
InnoDB
default_tmp_storage_engine
InnoDB
default_week_format
0
delay_key_write
ON
delayed_insert_limit
100
delayed_insert_timeout
300
delayed_queue_size
1000
disconnect_on_expired_password
ON
div_precision_increment
4
end_markers_in_json
OFF
enforce_gtid_consistency
OFF
eq_range_index_dive_limit
10
event_scheduler
OFF
expire_logs_days
10
explicit_defaults_for_timestamp
OFF
flush
OFF
flush_time
0
foreign_key_checks
ON
ft_boolean_syntax
+ -><()~*:""&|
ft_max_word_len
84
ft_min_word_len
4
ft_query_expansion_limit
20
ft_stopword_file
(built-in)
general_log
OFF
general_log_file
/var/lib/mysql/xxx.log
group_concat_max_len
1024
gtid_executed
gtid_mode
OFF
gtid_owned
gtid_purged
have_compress
YES
have_crypt
YES
have_dynamic_loading
YES
have_geometry
YES
have_openssl
DISABLED
have_profiling
YES
have_query_cache
YES
have_rtree_keys
YES
have_ssl
DISABLED
have_symlink
YES
host_cache_size
654
hostname
h2776883.stratoserver.net
ignore_builtin_innodb
OFF
ignore_db_dirs
init_connect
init_file
init_slave
innodb_adaptive_flushing
ON
innodb_adaptive_flushing_lwm
10
innodb_adaptive_hash_index
ON
innodb_adaptive_max_sleep_delay
150000
innodb_additional_mem_pool_size
8388608
innodb_api_bk_commit_interval
5
innodb_api_disable_rowlock
OFF
innodb_api_enable_binlog
OFF
innodb_api_enable_mdl
OFF
innodb_api_trx_level
0
innodb_autoextend_increment
64
innodb_autoinc_lock_mode
1
innodb_buffer_pool_dump_at_shutdown
OFF
innodb_buffer_pool_dump_now
OFF
innodb_buffer_pool_filename
ib_buffer_pool
innodb_buffer_pool_instances
8
innodb_buffer_pool_load_abort
OFF
Variable_name
Value
innodb_buffer_pool_load_at_startup
OFF
innodb_buffer_pool_load_now
OFF
innodb_buffer_pool_size
17179869184
innodb_change_buffer_max_size
25
innodb_change_buffering
all
innodb_checksum_algorithm
innodb
innodb_checksums
ON
innodb_cmp_per_index_enabled
OFF
innodb_commit_concurrency
0
innodb_compression_failure_threshold_pct
5
innodb_compression_level
6
innodb_compression_pad_pct_max
50
innodb_concurrency_tickets
5000
innodb_data_file_path
ibdata1:12M:autoextend
innodb_data_home_dir
innodb_disable_sort_file_cache
OFF
innodb_doublewrite
ON
innodb_fast_shutdown
1
innodb_file_format
Antelope
innodb_file_format_check
ON
innodb_file_format_max
Antelope
innodb_file_per_table
ON
innodb_flush_log_at_timeout
1
innodb_flush_log_at_trx_commit
2
innodb_flush_method
innodb_flush_neighbors
1
innodb_flushing_avg_loops
30
innodb_force_load_corrupted
OFF
innodb_force_recovery
0
innodb_ft_aux_table
innodb_ft_cache_size
8000000
innodb_ft_enable_diag_print
OFF
innodb_ft_enable_stopword
ON
innodb_ft_max_token_size
84
innodb_ft_min_token_size
3
innodb_ft_num_word_optimize
2000
innodb_ft_result_cache_limit
2000000000
innodb_ft_server_stopword_table
innodb_ft_sort_pll_degree
2
innodb_ft_total_cache_size
640000000
innodb_ft_user_stopword_table
innodb_io_capacity
200
innodb_io_capacity_max
2000
innodb_large_prefix
OFF
innodb_lock_wait_timeout
50
innodb_locks_unsafe_for_binlog
OFF
innodb_log_buffer_size
2147483648
innodb_log_compressed_pages
ON
innodb_log_file_size
536870912
innodb_log_files_in_group
2
innodb_log_group_home_dir
./
innodb_lru_scan_depth
1024
innodb_max_dirty_pages_pct
75
innodb_max_dirty_pages_pct_lwm
0
innodb_max_purge_lag
0
innodb_max_purge_lag_delay
0
innodb_mirrored_log_groups
1
innodb_monitor_disable
innodb_monitor_enable
innodb_monitor_reset
innodb_monitor_reset_all
innodb_old_blocks_pct
37
innodb_old_blocks_time
1000
innodb_online_alter_log_max_size
134217728
innodb_open_files
12288
innodb_optimize_fulltext_only
OFF
innodb_page_size
16384
innodb_print_all_deadlocks
OFF
innodb_purge_batch_size
300
innodb_purge_threads
1
innodb_random_read_ahead
OFF
innodb_read_ahead_threshold
56
innodb_read_io_threads
4
innodb_read_only
OFF
innodb_replication_delay
0
innodb_rollback_on_timeout
OFF
innodb_rollback_segments
128
innodb_sort_buffer_size
1048576
innodb_spin_wait_delay
6
innodb_stats_auto_recalc
ON
innodb_stats_method
nulls_equal
innodb_stats_on_metadata
OFF
innodb_stats_persistent
ON
innodb_stats_persistent_sample_pages
20
innodb_stats_sample_pages
8
innodb_stats_transient_sample_pages
8
innodb_status_output
OFF
innodb_status_output_locks
OFF
innodb_strict_mode
OFF
innodb_support_xa
ON
innodb_sync_array_size
1
innodb_sync_spin_loops
30
innodb_table_locks
ON
innodb_thread_concurrency
0
innodb_thread_sleep_delay
10000
innodb_undo_directory
.
innodb_undo_logs
128
innodb_undo_tablespaces
0
innodb_use_native_aio
ON
innodb_use_sys_malloc
ON
Variable_name
Value
innodb_version
5.6.16
innodb_write_io_threads
4
interactive_timeout
28800
join_buffer_size
131072
keep_files_on_create
OFF
key_buffer_size
536870912
key_cache_age_threshold
300
key_cache_block_size
1024
key_cache_division_limit
100
large_files_support
ON
large_page_size
0
large_pages
OFF
lc_messages
en_US
lc_messages_dir
/usr/share/mysql/
lc_time_names
en_US
license
GPL
local_infile
ON
lock_wait_timeout
31536000
locked_in_memory
OFF
log_bin
OFF
log_bin_basename
log_bin_index
log_bin_trust_function_creators
OFF
log_bin_use_v1_row_events
OFF
log_error
log_output
FILE
log_queries_not_using_indexes
OFF
log_slave_updates
OFF
log_slow_admin_statements
OFF
log_slow_slave_statements
OFF
log_throttle_queries_not_using_indexes
0
log_warnings
1
long_query_time
0.200000
low_priority_updates
OFF
lower_case_file_system
OFF
lower_case_table_names
0
master_info_repository
FILE
master_verify_checksum
OFF
max_allowed_packet
67108864
max_binlog_cache_size
18446744073709547520
max_binlog_size
1073741824
max_binlog_stmt_cache_size
18446744073709547520
max_connect_errors
100
max_connections
1024
max_delayed_threads
20
max_error_count
64
max_heap_table_size
536870912
max_insert_delayed_threads
20
max_join_size
18446744073709551615
max_length_for_sort_data
1024
max_prepared_stmt_count
16382
max_relay_log_size
0
max_seeks_for_key
18446744073709551615
max_sort_length
1024
max_sp_recursion_depth
0
max_tmp_tables
32
max_user_connections
128
max_write_lock_count
18446744073709551615
metadata_locks_cache_size
1024
metadata_locks_hash_instances
8
min_examined_row_limit
0
multi_range_count
256
myisam_data_pointer_size
6
myisam_max_sort_file_size
9223372036853727232
myisam_mmap_size
18446744073709551615
myisam_recover_options
OFF
myisam_repair_threads
1
myisam_sort_buffer_size
8388608
myisam_stats_method
nulls_unequal
myisam_use_mmap
OFF
net_buffer_length
16384
net_read_timeout
30
net_retry_count
10
net_write_timeout
60
new
OFF
old
OFF
old_alter_table
OFF
old_passwords
0
open_files_limit
25610
optimizer_prune_level
1
optimizer_search_depth
62
optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on,index_condition_pushdown=on,mrr=on,mrr_cost_based=on,block_nested_loop=on,batched_key_access=off,materialization=on,semijoin=on,loosescan=on,firstmatch=on,subquery_materialization_cost_based=on,use_index_extensions=on
optimizer_trace
enabled=off,one_line=off
optimizer_trace_features
greedy_search=on,range_optimizer=on,dynamic_range=on,repeated_subselect=on
optimizer_trace_limit
1
optimizer_trace_max_mem_size
16384
optimizer_trace_offset
-1
performance_schema
ON
performance_schema_accounts_size
100
performance_schema_digests_size
10000
performance_schema_events_stages_history_long_size
10000
performance_schema_events_stages_history_size
10
performance_schema_events_statements_history_long_size
10000
performance_schema_events_statements_history_size
10
performance_schema_events_waits_history_long_size
10000
performance_schema_events_waits_history_size
10
performance_schema_hosts_size
100
performance_schema_max_cond_classes
80
performance_schema_max_cond_instances
8196
performance_schema_max_file_classes
50
Variable_name
Value
performance_schema_max_file_handles
32768
performance_schema_max_file_instances
39400
performance_schema_max_mutex_classes
200
performance_schema_max_mutex_instances
27144
performance_schema_max_rwlock_classes
40
performance_schema_max_rwlock_instances
14448
performance_schema_max_socket_classes
10
performance_schema_max_socket_instances
2068
performance_schema_max_stage_classes
150
performance_schema_max_statement_classes
168
performance_schema_max_table_handles
24576
performance_schema_max_table_instances
12500
performance_schema_max_thread_classes
50
performance_schema_max_thread_instances
2148
performance_schema_session_connect_attrs_size
512
performance_schema_setup_actors_size
100
performance_schema_setup_objects_size
100
performance_schema_users_size
100
pid_file
/var/lib/mysql/xxx.stratoserver.net.pid
plugin_dir
/usr/lib/mysql/plugin/
port
3306
preload_buffer_size
32768
profiling
OFF
profiling_history_size
15
protocol_version
10
query_alloc_block_size
8192
query_cache_limit
4194304
query_cache_min_res_unit
4096
query_cache_size
536870912
query_cache_type
OFF
query_cache_wlock_invalidate
OFF
query_prealloc_size
8192
range_alloc_block_size
4096
read_buffer_size
131072
read_only
OFF
read_rnd_buffer_size
262144
relay_log
relay_log_basename
relay_log_index
relay_log_info_file
relay-log.info
relay_log_info_repository
FILE
relay_log_purge
ON
relay_log_recovery
OFF
relay_log_space_limit
0
report_host
report_password
report_port
3306
report_user
rpl_stop_slave_timeout
31536000
secure_auth
ON
secure_file_priv
server_id
0
server_id_bits
32
server_uuid
f625f81f-3416-11e8-b131-02ab55a84b80
skip_external_locking
ON
skip_name_resolve
OFF
skip_networking
OFF
skip_show_database
OFF
slave_allow_batching
OFF
slave_checkpoint_group
512
slave_checkpoint_period
300
slave_compressed_protocol
OFF
slave_exec_mode
STRICT
slave_load_tmpdir
/tmp
slave_max_allowed_packet
1073741824
slave_net_timeout
3600
slave_parallel_workers
0
slave_pending_jobs_size_max
16777216
slave_rows_search_algorithms
TABLE_SCAN,INDEX_SCAN
slave_skip_errors
OFF
slave_sql_verify_checksum
ON
slave_transaction_retries
10
slave_type_conversions
slow_launch_time
2
slow_query_log
OFF
slow_query_log_file
/var/log/mysql/slow.log
socket
/var/run/mysqld/mysqld.sock
sort_buffer_size
2097152
sql_auto_is_null
OFF
sql_big_selects
ON
sql_buffer_result
OFF
sql_log_bin
ON
sql_log_off
OFF
sql_mode
NO_ENGINE_SUBSTITUTION
sql_notes
ON
sql_quote_show_create
ON
sql_safe_updates
OFF
sql_select_limit
18446744073709551615
sql_slave_skip_counter
0
sql_warnings
OFF
ssl_ca
ssl_capath
ssl_cert
ssl_cipher
ssl_crl
ssl_crlpath
ssl_key
storage_engine
InnoDB
stored_program_cache
256
sync_binlog
0
Variable_name
Value
sync_frm
ON
sync_master_info
10000
sync_relay_log
10000
sync_relay_log_info
10000
system_time_zone
CEST
table_definition_cache
2000
table_open_cache
12288
table_open_cache_instances
1
thread_cache_size
128
thread_concurrency
10
thread_handling
one-thread-per-connection
thread_stack
262144
time_format
%H:%i:%s
time_zone
SYSTEM
timed_mutexes
OFF
tmp_table_size
67108864
tmpdir
/tmp
transaction_alloc_block_size
8192
transaction_prealloc_size
4096
tx_isolation
REPEATABLE-READ
tx_read_only
OFF
unique_checks
ON
updatable_views_with_limit
YES
version
5.6.16-1~exp1
version_comment
(Ubuntu)
version_compile_machine
x86_64
version_compile_os
debian-linux-gnu
wait_timeout
28800

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fxnxkyjh6#

在任何更改之前输出mysqltuner：

>>  MySQLTuner 1.7.12 - Major Hayden <major@mhtx.net>
 >>  Bug reports, feature requests, and downloads at 
 >>  Run with '--help' for additional options and output filtering
[--] Skipped version check for MySQLTuner script
[OK] Logged in using credentials from Debian maintenance account.
[OK] Currently running supported MySQL version 5.6.16-1~exp1
[OK] Operating on 64-bit architecture
-------- Log file Recommendations ------------------------------------------------------------------
[--] Log file: /var/lib/mysql/xxx.stratoserver.net.err(0B)
[!!] Log file /var/lib/mysql/xxx.stratoserver.net.err doesn't exist
[!!] Log file /var/lib/mysql/xxx.stratoserver.net.err isn't readable.
-------- Storage Engine Statistics -----------------------------------------------------------------
[--] Status: +ARCHIVE +BLACKHOLE +CSV -FEDERATED +InnoDB +MEMORY +MRG_MYISAM +MyISAM +PERFORMANCE_SCHEMA
[--] Data in MyISAM tables: 984.2M (Tables: 30)
[--] Data in InnoDB tables: 4.1G (Tables: 568)
[--] Data in MEMORY tables: 1.3M (Tables: 17)
[!!] Total fragmented tables: 1
-------- Analysis Performance Metrics --------------------------------------------------------------
[--] innodb_stats_on_metadata: OFF
[OK] No stat updates during querying INFORMATION_SCHEMA.
-------- Security Recommendations ------------------------------------------------------------------
[OK] There are no anonymous accounts for any database users
[OK] All database users have passwords assigned
[!!] There is no basic password file list!
-------- CVE Security Recommendations --------------------------------------------------------------
[--] Skipped due to --cvefile option undefined
-------- Performance Metrics -----------------------------------------------------------------------
[--] Up for: 10d 23h 42m 17s (581M q [612.461 qps], 1M conn, TX: 889G, RX: 249G)
[--] Reads / Writes: 93% / 7%
[--] Binary logging is disabled
[--] Physical Memory     : 32.0G
[--] Max MySQL memory    : 22.6G
[--] Other process memory: 33.5M
[--] Total buffers: 19.1G global + 2.8M per thread (1024 max threads)
[--] P_S Max memory usage: 754M
[--] Galera GCache Max memory usage: 0B
[OK] Maximum reached memory usage: 20.1G (62.80% of installed RAM)
[OK] Maximum possible memory usage: 22.6G (70.49% of installed RAM)
[OK] Overall possible memory usage with other process is compatible with memory available
[OK] Slow queries: 0% (365K/581M)
[OK] Highest usage of available connections: 10% (108/1024)
[OK] Aborted connections: 0.02%  (338/1784303)
[!!] name resolution is active : a reverse name resolution is made for each new connection and can reduce performance
[!!] Query cache may be disabled by default due to mutex contention.
[!!] Query cache efficiency: 0.0% (0 cached / 459M selects)
[OK] Query cache prunes per day: 0
[OK] Sorts requiring temporary tables: 0% (1K temp sorts / 92M sorts)
[!!] Joins performed without indexes: 341633
[!!] Temporary tables created on disk: 47% (32M on disk / 69M total)
[OK] Thread cache hit rate: 99% (108 created / 1M connections)
[!!] Table cache hit rate: 2% (2K open / 98K opened)
[OK] Open file limit used: 0% (132/25K)
[OK] Table locks acquired immediately: 99% (1B immediate / 1B locks)
-------- Performance schema ------------------------------------------------------------------------
[--] Memory used by P_S: 754.8M
[--] Sys schema isn't installed.
-------- ThreadPool Metrics ------------------------------------------------------------------------
[--] ThreadPool stat is disabled.
-------- MyISAM Metrics ----------------------------------------------------------------------------
[!!] Key buffer used: 52.9% (284M used / 536M cache)
[OK] Key buffer size / total MyISAM indexes: 512.0M/378.4M
[OK] Read Key buffer hit rate: 100.0% (484M cached / 171K reads)
[!!] Write Key buffer hit rate: 76.0% (42M cached / 32M writes)
-------- InnoDB Metrics ----------------------------------------------------------------------------
[--] InnoDB is enabled.
[--] InnoDB Thread Concurrency: 0
[OK] InnoDB File per table is activated
[OK] InnoDB buffer pool / data size: 16.0G/4.1G
[!!] Ratio InnoDB log file size / InnoDB Buffer pool size (6.25 %): 512.0M * 2/16.0G should be equal 25%
[!!] InnoDB buffer pool instances: 8
[--] InnoDB Buffer Pool Chunk Size not used or defined in your version
[OK] InnoDB Read buffer efficiency: 100.00% (238662528177 hits/ 238662686106 total)
[!!] InnoDB Write Log efficiency: 88.34% (208711294 hits/ 236256359 total)
[OK] InnoDB log waits: 0.00% (0 waits / 27545065 writes)
-------- AriaDB Metrics ----------------------------------------------------------------------------
[--] AriaDB is disabled.
-------- TokuDB Metrics ----------------------------------------------------------------------------
[--] TokuDB is disabled.
-------- XtraDB Metrics ----------------------------------------------------------------------------
[--] XtraDB is disabled.
-------- Galera Metrics ----------------------------------------------------------------------------
[--] Galera is disabled.
-------- Replication Metrics -----------------------------------------------------------------------
[--] Galera Synchronous replication: NO
[--] No replication slave(s) for this server.
[--] Binlog format: STATEMENT
[--] XA support enabled: ON
[--] Semi synchronous replication Master: Not Activated
[--] Semi synchronous replication Slave: Not Activated
[--] This is a standalone server
-------- Recommendations ---------------------------------------------------------------------------
General recommendations:
    Run OPTIMIZE TABLE to defragment tables for better performance
      OPTIMIZE TABLE `juwelierwebshop`.`cron_schedule`; -- can free 1064 MB
    Total freed space after theses OPTIMIZE TABLE : 1064 Mb
    Configure your accounts with ip or subnets only, then update your configuration with skip-name-resolve=1
    Adjust your join queries to always utilize indexes
    When making adjustments, make tmp_table_size/max_heap_table_size equal
    Reduce your SELECT DISTINCT queries which have no LIMIT clause
    Increase table_open_cache gradually to avoid file descriptor limits
    Read this before increasing table_open_cache over 64: 
    This is MyISAM only table_cache scalability problem, InnoDB not affected.
    See more details here: 
    This bug already fixed in MySQL 5.7.9 and newer MySQL versions.
    Beware that open_files_limit (25610) variable
    should be greater than table_open_cache (12288)
    Consider installing Sys schema from 
    Before changing innodb_log_file_size and/or innodb_log_files_in_group read this: 
Variables to adjust:
    query_cache_size (=0)
    query_cache_type (=0)
    query_cache_limit (> 4M, or use smaller result sets)
    join_buffer_size (> 128.0K, or always use indexes with JOINs)
    tmp_table_size (> 64M)
    max_heap_table_size (> 512M)
    table_open_cache (> 12288)
    innodb_log_file_size should be (=2G) if possible, so InnoDB total log files size equals to 25% of buffer pool size.
    innodb_buffer_pool_instances(=16)

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我来回答

magento mysql悬挂

6条答案

以下4个是每个连接的值，您已经超出了上限

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