这是我在主节点上的jps结果。
名称节点
次要名称节点
和从节点jps输出
数据节点
如果我查看jps结果,似乎一切正常,但是当我运行hdfs dfsadmin-report时,只显示datanode。但是jps说namenode也在工作。另外,我无法通过web ui访问namenode
实时数据节点(1):
> Name: 172.31.7.44:50010 (ip-172-31-7-44.us-east-2.compute.internal)
> Hostname: ip-172-31-7-44.us-east-2.compute.internal Decommission
> Status : Normal Configured Capacity: 10724814848 (9.99 GB) DFS Used:
> 4096 (4 KB) Non DFS Used: 4309471232 (4.01 GB) DFS Remaining:
> 6415339520 (5.97 GB) DFS Used%: 0.00% DFS Remaining%: 59.82%
> Configured Cache Capacity: 0 (0 B) Cache Used: 0 (0 B) Cache
> Remaining: 0 (0 B) Cache Used%: 100.00% Cache Remaining%: 0.00%
> Xceivers: 1 Last contact: Wed Jun 12 11:29:29 UTC 2019
[root@ip-***.***.***~]# sudo netstat -antlp
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 921/sshd
tcp 0 0 0.0.0.0:50010 0.0.0.0:* LISTEN 5439/java
tcp 0 0 0.0.0.0:50075 0.0.0.0:* LISTEN 5439/java
tcp 0 0 0.0.0.0:50020 0.0.0.0:* LISTEN 5439/java
tcp 0 0 127.0.0.1:43211 0.0.0.0:* LISTEN 5439/java
tcp 0 0 172.31.7.44:52802 178.128.156.238:2700 ESTABLISHED 6423/c1c3mki454jg
tcp 0 232 172.31.7.44:22 212.156.0.106:38724 ESTABLISHED 5214/sshd: ec2-user
tcp 0 0 172.31.7.44:39966 172.31.11.123:9000 ESTABLISHED 5439/java
tcp6 0 0 :::22 :::* LISTEN 921/sshd
tcp6 0 0 :::13562 :::* LISTEN 5563/java
tcp6 0 0 :::34371 :::* LISTEN 5563/java
tcp6 0 0 :::8040 :::* LISTEN 5563/java
tcp6 0 0 :::8042 :::* LISTEN 5563/java
tcp6 0 0 172.31.7.44:34371 172.31.11.123:58678 ESTABLISHED 5563/java
tcp6 0 0 172.31.7.44:39134 172.31.11.123:8031 ESTABLISHED 5563/java
notes:i removed 防火墙和权限。namenode日志中没有任何错误日志。
你知道我怎么解决这个问题吗?
暂无答案!
目前还没有任何答案,快来回答吧!