hadoop集群在Map后停止

y1aodyip  于 2021-06-03  发布在  Hadoop
关注(0)|答案(1)|浏览(303)

我有一个由三台机器组成的hadoop集群。我打开hadoop20g文件，启动hadoop，它在Map之后停止。
“13/08/22 08:09:34 info mapred.jobclient:Map100%减少11%”
Map完所有的cpu后就不工作了。我可以等一天，但不能再开始了。
我能做什么？
这是我日志文件的最后10行，当map为100%，reduce为11%时：
2013-08-22 14:15:32503 info org.apache.hadoop.mapred.maptask:开始刷新Map输出
2013-08-22 14:15:32542信息org.apache.hadoop.mapred.maptask:finished spill 67
2013-08-22 14:15:32552 info org.apache.hadoop.mapred.merge:合并68个已排序的段
2013-08-22 14:15:32558 info org.apache.hadoop.mapred.merge:合并总共68个中间段中的5个
2013-08-22 14:15:32622 info org.apache.hadoop.mapred.merge:向下到最后一个合并过程，剩余64段总大小：1600710字节
2013-08-22 14:15:32708信息org.apache.hadoop.mapred.task：task:attempt_201308221308_0002_m_000302_0 完成了。并且正在提交
2013-08-22 14:15:32717 info org.apache.hadoop.mapred.task:任务“尝试\u 201308221308\u 0002\u m\u 000302\u 0”完成。
2013-08-22 14:15:32759 info org.apache.hadoop.mapred.tasklogstruncater:使用mapretainsize=-1和reduceretainsize=-1初始化日志的截断器
2013-08-22 14:15:32774 info org.apache.hadoop.io.nativeio.nativeio:uid到用户Map的初始化缓存，缓存超时为14400秒。
2013-08-22 14:15:32774 info org.apache.hadoop.io.nativeio.nativeio:从本机实现中获取uid 1000的用户名llobocki
我的hadoop主线程转储的孩子，当map为100%，reduce为11%时：

2013-08-23 11:37:26
Full thread dump Java HotSpot(TM) 64-Bit Server VM (23.25-b01 mixed mode):

"Attach Listener" daemon prio=10 tid=0x0000000000f85800 nid=0x3873 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Thread for polling Map Completion Events" daemon prio=10 tid=0x00007fc32860c800 nid=0x1d7a waiting on condition [0x00007fc31c183000]
   java.lang.Thread.State: TIMED_WAITING (sleeping)
    at java.lang.Thread.sleep(Native Method)
    at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$GetMapEventsThread.run(ReduceTask.java:2882)

"Thread for merging in memory files" daemon prio=10 tid=0x00007fc32860a800 nid=0x1d78 in Object.wait() [0x00007fc31c284000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    - waiting on <0x00000005bd6dd7c8> (a java.lang.Object)
    at java.lang.Object.wait(Object.java:503)
    at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$ShuffleRamManager.waitForDataToMerge(ReduceTask.java:1197)
    - locked <0x00000005bd6dd7c8> (a java.lang.Object)
    at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$InMemFSMergeThread.run(ReduceTask.java:2760)

"Thread for merging on-disk files" daemon prio=10 tid=0x00007fc328608000 nid=0x1d77 in Object.wait() [0x00007fc31c385000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    - waiting on <0x00000005bd713988> (a java.util.TreeSet)
    at java.lang.Object.wait(Object.java:503)
    at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$LocalFSMerger.run(ReduceTask.java:2654)
    - locked <0x00000005bd713988> (a java.util.TreeSet)

"MapOutputCopier attempt_201308230927_0001_r_000000_0.4" prio=10 tid=0x00007fc328606800 nid=0x1d76 in Object.wait() [0x00007fc31c486000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    - waiting on <0x00000005bd762eb0> (a java.util.ArrayList)
    at java.lang.Object.wait(Object.java:503)
    at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$MapOutputCopier.run(ReduceTask.java:1324)
    - locked <0x00000005bd762eb0> (a java.util.ArrayList)

"MapOutputCopier attempt_201308230927_0001_r_000000_0.3" prio=10 tid=0x00007fc328602000 nid=0x1d75 in Object.wait() [0x00007fc31c587000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    - waiting on <0x00000005bd762eb0> (a java.util.ArrayList)
    at java.lang.Object.wait(Object.java:503)
    at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$MapOutputCopier.run(ReduceTask.java:1324)
    - locked <0x00000005bd762eb0> (a java.util.ArrayList)

"MapOutputCopier attempt_201308230927_0001_r_000000_0.2" prio=10 tid=0x00007fc328600000 nid=0x1d73 in Object.wait() [0x00007fc31c688000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    - waiting on <0x00000005bd762eb0> (a java.util.ArrayList)
    at java.lang.Object.wait(Object.java:503)
    at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$MapOutputCopier.run(ReduceTask.java:1324)
    - locked <0x00000005bd762eb0> (a java.util.ArrayList)

"MapOutputCopier attempt_201308230927_0001_r_000000_0.1" prio=10 tid=0x00007fc3285ff000 nid=0x1d72 in Object.wait() [0x00007fc31c789000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    - waiting on <0x00000005bd762eb0> (a java.util.ArrayList)
    at java.lang.Object.wait(Object.java:503)
    at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$MapOutputCopier.run(ReduceTask.java:1324)
    - locked <0x00000005bd762eb0> (a java.util.ArrayList)

"MapOutputCopier attempt_201308230927_0001_r_000000_0.0" prio=10 tid=0x00007fc3285f8800 nid=0x1d70 in Object.wait() [0x00007fc31c88a000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    - waiting on <0x00000005bd762eb0> (a java.util.ArrayList)
    at java.lang.Object.wait(Object.java:503)
    at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$MapOutputCopier.run(ReduceTask.java:1324)
    - locked <0x00000005bd762eb0> (a java.util.ArrayList)

"communication thread" daemon prio=10 tid=0x00007fc3285d2000 nid=0x1d53 in Object.wait() [0x00007fc31c9b3000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    - waiting on <0x00000005bd762e90> (a java.lang.Object)
    at org.apache.hadoop.mapred.Task$TaskReporter.run(Task.java:658)
    - locked <0x00000005bd762e90> (a java.lang.Object)
    at java.lang.Thread.run(Thread.java:724)

"Timer for 'ReduceTask' metrics system" daemon prio=10 tid=0x00007fc3285b1000 nid=0x1d49 in Object.wait() [0x00007fc31cbb5000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    - waiting on <0x00000005bd919a30> (a java.util.TaskQueue)
    at java.util.TimerThread.mainLoop(Timer.java:552)
    - locked <0x00000005bd919a30> (a java.util.TaskQueue)
    at java.util.TimerThread.run(Timer.java:505)

"Thread for syncLogs" daemon prio=10 tid=0x00007fc328494000 nid=0x1d3e waiting on condition [0x00007fc31cebd000]
   java.lang.Thread.State: TIMED_WAITING (sleeping)
    at java.lang.Thread.sleep(Native Method)
    at org.apache.hadoop.mapred.Child$3.run(Child.java:139)

"IPC Client (47) connection to /127.0.0.1:35127 from job_201308230927_0001" daemon prio=10 tid=0x00007fc328492800 nid=0x1d3d in Object.wait() [0x00007fc31cfbe000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    - waiting on <0x00000005bd721b60> (a org.apache.hadoop.ipc.Client$Connection)
    at org.apache.hadoop.ipc.Client$Connection.waitForWork(Client.java:747)
    - locked <0x00000005bd721b60> (a org.apache.hadoop.ipc.Client$Connection)
    at org.apache.hadoop.ipc.Client$Connection.run(Client.java:789)

"Service Thread" daemon prio=10 tid=0x00007fc3280f4000 nid=0x1cf7 runnable [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread1" daemon prio=10 tid=0x00007fc3280f1800 nid=0x1cf5 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread0" daemon prio=10 tid=0x00007fc3280ee800 nid=0x1cf4 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Signal Dispatcher" daemon prio=10 tid=0x00007fc3280ec800 nid=0x1cf3 runnable [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Finalizer" daemon prio=10 tid=0x00007fc32809e000 nid=0x1ce5 in Object.wait() [0x00007fc2c1b7f000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    - waiting on <0x00000005bd6fb1f8> (a java.lang.ref.ReferenceQueue$Lock)
    at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
    - locked <0x00000005bd6fb1f8> (a java.lang.ref.ReferenceQueue$Lock)
    at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
    at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:189)

"Reference Handler" daemon prio=10 tid=0x00007fc32809c000 nid=0x1ce4 in Object.wait() [0x00007fc2c1c80000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    - waiting on <0x00000005bd6fade8> (a java.lang.ref.Reference$Lock)
    at java.lang.Object.wait(Object.java:503)
    at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133)
    - locked <0x00000005bd6fade8> (a java.lang.ref.Reference$Lock)

"main" prio=10 tid=0x00007fc32800b000 nid=0x1cc8 waiting on condition [0x00007fc32dc3a000]
   java.lang.Thread.State: TIMED_WAITING (sleeping)
    at java.lang.Thread.sleep(Native Method)
    at org.apache.hadoop.mapred.ReduceTask$ReduceCopier.fetchOutputs(ReduceTask.java:2191)
    at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:386)
    at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190)
    at org.apache.hadoop.mapred.Child.main(Child.java:249)

"VM Thread" prio=10 tid=0x00007fc328094800 nid=0x1cdf runnable 

"GC task thread#0 (ParallelGC)" prio=10 tid=0x00007fc328018800 nid=0x1ccc runnable 

"GC task thread#1 (ParallelGC)" prio=10 tid=0x00007fc32801a800 nid=0x1cce runnable 

"GC task thread#2 (ParallelGC)" prio=10 tid=0x00007fc32801c800 nid=0x1cd7 runnable 

"GC task thread#3 (ParallelGC)" prio=10 tid=0x00007fc32801e000 nid=0x1cd8 runnable 

"VM Periodic Task Thread" prio=10 tid=0x00007fc3280fe800 nid=0x1cf8 waiting on condition 

JNI global references: 224

在Map过程中，主服务器上的网络通信量约为20个mib，但当reduce启动时，网络通信量下降到3 kib。
命令
我的机器。
Map绘制期间的主控形状：

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz avgqu-sz   await  svctm  %util
sdd               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sdb               0.00     0.00    0.00    7.00     0.00     0.02     6.29     0.48   68.43  68.29  47.80
sda               0.00     0.00   43.00    7.00     5.38     0.02   221.04     0.22    4.42   2.78  13.90
sdc               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md1               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md2               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md3               0.00     0.00   43.00    3.00     5.38     0.01   239.83     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00

Filesystem:               rMB_nor/s    wMB_nor/s    rMB_dir/s    wMB_dir/s    rMB_svr/s    wMB_svr/s     ops/s    rops/s    wops/s

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz avgqu-sz   await  svctm  %util
sdd               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sdb               0.00    14.00    0.00   53.00     0.00     1.34    51.66     1.58   29.77   5.38  28.50
sda               3.00    14.00   34.00   53.00     4.62     1.34   140.34     1.27   14.55   3.84  33.40
sdc               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md1               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md2               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md3               0.00     0.00   37.00   62.00     4.62     1.32   122.99     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00

Map过程中的从属：

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz avgqu-sz   await  svctm  %util
sdd               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sda               2.00     0.00   12.00    4.00     1.75     0.01   225.25     0.76   47.50  25.19  40.30
sdb               0.00     0.00    0.00    6.00     0.00     0.02     6.00     0.09   20.00  14.67   8.80
sdc               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md1               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md2               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md3               0.00     0.00   14.00    2.00     1.75     0.01   225.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00

Filesystem:               rMB_nor/s    wMB_nor/s    rMB_dir/s    wMB_dir/s    rMB_svr/s    wMB_svr/s     ops/s    rops/s    wops/s

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz avgqu-sz   await  svctm  %util
sdd               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sda               0.00     0.00   28.00    4.00     3.50     0.01   224.81     0.39   12.28   7.16  22.90
sdb               0.00     0.00    5.00    3.00     0.42     0.01   110.25     0.25   31.50  22.12  17.70
sdc               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md1               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md2               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md3               0.00     0.00   33.00    0.00     3.92     0.00   243.39     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00

主机停止：

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz avgqu-sz   await  svctm  %util
sdd               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sdb               0.00     0.00    8.00    1.00     1.00     0.00   228.44     0.03    3.44   3.00   2.70
sda               0.00     0.00    0.00    1.00     0.00     0.00     8.00     0.01   13.00  13.00   1.30
sdc               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md1               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md2               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md3               0.00     0.00    8.00    0.00     1.00     0.00   256.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00

Filesystem:               rMB_nor/s    wMB_nor/s    rMB_dir/s    wMB_dir/s    rMB_svr/s    wMB_svr/s     ops/s    rops/s    wops/s

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz avgqu-sz   await  svctm  %util
sdd               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sdb               0.00     0.00    8.00    0.00     1.00     0.00   256.00     0.01    0.62   0.50   0.40
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sdc               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md1               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md2               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md3               0.00     0.00    8.00    0.00     1.00     0.00   256.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00

Filesystem:               rMB_nor/s    wMB_nor/s    rMB_dir/s    wMB_dir/s    rMB_svr/s    wMB_svr/s     ops/s    rops/s    wops/s

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz avgqu-sz   await  svctm  %util
sdd               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sdb               0.00     0.00    8.00    0.00     1.00     0.00   256.00     0.02    2.38   2.38   1.90
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sdc               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md1               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md2               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md3               0.00     0.00    8.00    0.00     1.00     0.00   256.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00

Filesystem:               rMB_nor/s    wMB_nor/s    rMB_dir/s    wMB_dir/s    rMB_svr/s    wMB_svr/s     ops/s    rops/s    wops/s

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz avgqu-sz   await  svctm  %util
sdd               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sdb               0.00     0.00    8.00    0.00     1.00     0.00   256.00     0.01    0.75   0.50   0.40
sda               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sdc               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md1               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md2               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md3               0.00     0.00    8.00    0.00     1.00     0.00   256.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00

从机停止：

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz avgqu-sz   await  svctm  %util
sdd               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sda               0.00     0.00    8.00    0.00     1.00     0.00   256.00     0.01    1.38   1.12   0.90
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sdc               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md1               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md2               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md3               0.00     0.00    8.00    0.00     1.00     0.00   256.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00

Filesystem:               rMB_nor/s    wMB_nor/s    rMB_dir/s    wMB_dir/s    rMB_svr/s    wMB_svr/s     ops/s    rops/s    wops/s

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz avgqu-sz   await  svctm  %util
sdd               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sda               0.00     0.00    7.00    0.00     0.88     0.00   256.00     0.01    0.71   0.57   0.40
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sdc               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md1               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md2               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md3               0.00     0.00    7.00    0.00     0.88     0.00   256.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00

Filesystem:               rMB_nor/s    wMB_nor/s    rMB_dir/s    wMB_dir/s    rMB_svr/s    wMB_svr/s     ops/s    rops/s    wops/s

Device:         rrqm/s   wrqm/s     r/s     w/s    rMB/s    wMB/s avgrq-sz avgqu-sz   await  svctm  %util
sdd               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sda               0.00     0.00    8.00    0.00     1.00     0.00   256.00     0.01    0.75   0.62   0.50
sdb               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
sdc               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md1               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md2               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
md3               0.00     0.00    8.00    0.00     1.00     0.00   256.00     0.00    0.00   0.00   0.00
md0               0.00     0.00    0.00    0.00     0.00     0.00     0.00     0.00    0.00   0.00   0.00
hadoopmapreduce

1条答案

按热度按时间
uurity8g

uurity8g1#

我已经解决了我的问题。我在/etc/hosts中的值不正确。
早期的：

ip alias

现在：

ip domain alias
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