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From Serega Sheypak <serega.shey...@gmail.com>
Subject Re: HBase stucks from time to time
Date Thu, 23 Apr 2015 20:37:54 GMT
Hi, is there any input here? What we should monitor?

2015-04-22 20:55 GMT+02:00 Serega Sheypak <serega.sheypak@gmail.com>:

> Here is disk stats. Sadness appeared ad 12.30 - 13.00
>
> https://www.dropbox.com/s/lj4r8o10buv1n2o/Screenshot%202015-04-22%2020.48.18.png?dl=0
>
> 2015-04-22 20:41 GMT+02:00 Serega Sheypak <serega.sheypak@gmail.com>:
>
>> Here is an image
>>
>> 2015-04-22 20:40 GMT+02:00 Serega Sheypak <serega.sheypak@gmail.com>:
>>
>>> Here are datanode logs from 5.9.41.237 <http://5.9.41.237:50010/>,
>>> regionserver logs were from5.9.41.237 <http://5.9.41.237:50010/> also
>>>
>>> EQUEST_SHORT_CIRCUIT_FDS, blockid: 1078130838, srvID:
>>> 659e6be2-8d98-458b-94bc-3bcdbb517508, success: true
>>> 2015-04-22 12:46:17,154 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src:
>>> 127.0.0.1, dest: 127.0.0.1, op: RELEASE_SHORT_CIRCUIT_FDS, shmId:
>>> bd37825f7a445e2da6796940ebb754d6, slotIdx: 24, srvID:
>>> 659e6be2-8d98-458b-94bc-3bcdbb517508, success: true
>>> 2015-04-22 12:46:17,204 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src:
>>> 127.0.0.1, dest: 127.0.0.1, op: RELEASE_SHORT_CIRCUIT_FDS, shmId:
>>> aea53fb897c383f3dec304ed618db0df, slotIdx: 4, srvID:
>>> 659e6be2-8d98-458b-94bc-3bcdbb517508, success: true
>>> 2015-04-22 12:46:17,219 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src:
>>> 127.0.0.1, dest: 127.0.0.1, op: RELEASE_SHORT_CIRCUIT_FDS, shmId:
>>> 0178cc0245fcdc9e1dd75c5f8c6da1eb, slotIdx: 0, srvID:
>>> 659e6be2-8d98-458b-94bc-3bcdbb517508, success: true
>>> 2015-04-22 12:46:17,236 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src:
>>> 127.0.0.1, dest: 127.0.0.1, op: RELEASE_SHORT_CIRCUIT_FDS, shmId:
>>> aea53fb897c383f3dec304ed618db0df, slotIdx: 102, srvID:
>>> 659e6be2-8d98-458b-94bc-3bcdbb517508, success: true
>>> 2015-04-22 12:46:17,573 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /
>>> 5.9.41.237:50010, dest: /5.9.65.143:36281, bytes: 4608, op: HDFS_READ,
>>> cliID: DFSClient_hb_rs_domain06.myhost.ru,60020,1426776843636_-1084357126_33,
>>> offset: 28435456, srvID: 659e6be2-8d98-458b-94bc-3bcdbb517508, blockid:
>>> BP-927943268-5.9.77.105-1414682145673:blk_1078147715_4407483, duration:
>>> 12396486
>>> 2015-04-22 12:46:17,596 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /
>>> 5.9.41.237:50010, dest: /78.46.48.37:41539, bytes: 4608, op: HDFS_READ,
>>> cliID: DFSClient_hb_rs_domain13.myhost.ru,60020,1429640630559_-531755738_33,
>>> offset: 56052736, srvID: 659e6be2-8d98-458b-94bc-3bcdbb517508, blockid:
>>> BP-927943268-5.9.77.105-1414682145673:blk_1078106901_4366668, duration:
>>> 37455427
>>> 2015-04-22 12:46:17,821 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /
>>> 5.9.41.237:50010, dest: /5.9.67.100:58718, bytes: 5120, op: HDFS_READ,
>>> cliID: DFSClient_hb_rs_domain03.myhost.ru,60020,1426877064271_-1246826933_33,
>>> offset: 77630464, srvID: 659e6be2-8d98-458b-94bc-3bcdbb517508, blockid:
>>> BP-927943268-5.9.77.105-1414682145673:blk_1078119757_4379524, duration:
>>> 16386940
>>> 2015-04-22 12:46:18,769 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode: Failed to send data:
>>> java.net.SocketTimeoutException: 480000 millis timeout while waiting for
>>> channel to be ready for write. ch :
>>> java.nio.channels.SocketChannel[connected local=/5.9.41.237:50010
>>> remote=/78.46.48.37:40503]
>>> 2015-04-22 12:46:18,769 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /
>>> 5.9.41.237:50010, dest: /78.46.48.37:40503, bytes: 393216, op:
>>> HDFS_READ, cliID: DFSClient_hb_rs_domain13.myhost.ru,60020,1429640630559_-531755738_33,
>>> offset: 3584, srvID: 659e6be2-8d98-458b-94bc-3bcdbb517508, blockid:
>>> BP-927943268-5.9.77.105-1414682145673:blk_1078155386_4415154, duration:
>>> 480345113893
>>> 2015-04-22 12:46:18,769 WARN
>>> org.apache.hadoop.hdfs.server.datanode.DataNode:
>>> DatanodeRegistration(5.9.41.237,
>>> datanodeUuid=659e6be2-8d98-458b-94bc-3bcdbb517508, infoPort=50075,
>>> ipcPort=50020, storageInfo=lv=-56;cid=cluster11;nsid=527111981;c=0):Got
>>> exception while serving
>>> BP-927943268-5.9.77.105-1414682145673:blk_1078155386_4415154 to /
>>> 78.46.48.37:40503
>>> java.net.SocketTimeoutException: 480000 millis timeout while waiting for
>>> channel to be ready for write. ch :
>>> java.nio.channels.SocketChannel[connected local=/5.9.41.237:50010
>>> remote=/78.46.48.37:40503]
>>> at
>>> org.apache.hadoop.net.SocketIOWithTimeout.waitForIO(SocketIOWithTimeout.java:246)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.waitForWritable(SocketOutputStream.java:172)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:220)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendPacket(BlockSender.java:547)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:716)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:486)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opReadBlock(Receiver.java:111)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:69)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:225)
>>> at java.lang.Thread.run(Thread.java:745)
>>> 2015-04-22 12:46:18,770 ERROR
>>> org.apache.hadoop.hdfs.server.datanode.DataNode: domain02.myhost.ru:50010:DataXceiver
>>> error processing READ_BLOCK operation  src: /78.46.48.37:40503 dst: /
>>> 5.9.41.237:50010
>>> java.net.SocketTimeoutException: 480000 millis timeout while waiting for
>>> channel to be ready for write. ch :
>>> java.nio.channels.SocketChannel[connected local=/5.9.41.237:50010
>>> remote=/78.46.48.37:40503]
>>> at
>>> org.apache.hadoop.net.SocketIOWithTimeout.waitForIO(SocketIOWithTimeout.java:246)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.waitForWritable(SocketOutputStream.java:172)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:220)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendPacket(BlockSender.java:547)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:716)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:486)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opReadBlock(Receiver.java:111)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:69)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:225)
>>> at java.lang.Thread.run(Thread.java:745)
>>> 2015-04-22 12:46:18,897 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode: Failed to send data:
>>> java.net.SocketTimeoutException: 480000 millis timeout while waiting for
>>> channel to be ready for write. ch :
>>> java.nio.channels.SocketChannel[connected local=/5.9.41.237:50010
>>> remote=/5.9.74.13:34323]
>>> 2015-04-22 12:46:18,897 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /
>>> 5.9.41.237:50010, dest: /5.9.74.13:34323, bytes: 393216, op: HDFS_READ,
>>> cliID: DFSClient_hb_rs_domain09.myhost.ru,60020,1426772397450_1095315710_33,
>>> offset: 3584, srvID: 659e6be2-8d98-458b-94bc-3bcdbb517508, blockid:
>>> BP-927943268-5.9.77.105-1414682145673:blk_1078159305_4419073, duration:
>>> 480265217202
>>> 2015-04-22 12:46:18,897 WARN
>>> org.apache.hadoop.hdfs.server.datanode.DataNode:
>>> DatanodeRegistration(5.9.41.237,
>>> datanodeUuid=659e6be2-8d98-458b-94bc-3bcdbb517508, infoPort=50075,
>>> ipcPort=50020, storageInfo=lv=-56;cid=cluster11;nsid=527111981;c=0):Got
>>> exception while serving
>>> BP-927943268-5.9.77.105-1414682145673:blk_1078159305_4419073 to /
>>> 5.9.74.13:34323
>>> java.net.SocketTimeoutException: 480000 millis timeout while waiting for
>>> channel to be ready for write. ch :
>>> java.nio.channels.SocketChannel[connected local=/5.9.41.237:50010
>>> remote=/5.9.74.13:34323]
>>> at
>>> org.apache.hadoop.net.SocketIOWithTimeout.waitForIO(SocketIOWithTimeout.java:246)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.waitForWritable(SocketOutputStream.java:172)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:220)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendPacket(BlockSender.java:547)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:716)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:486)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opReadBlock(Receiver.java:111)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:69)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:225)
>>> at java.lang.Thread.run(Thread.java:745)
>>> 2015-04-22 12:46:18,898 ERROR
>>> org.apache.hadoop.hdfs.server.datanode.DataNode: domain02.myhost.ru:50010:DataXceiver
>>> error processing READ_BLOCK operation  src: /5.9.74.13:34323 dst: /
>>> 5.9.41.237:50010
>>> java.net.SocketTimeoutException: 480000 millis timeout while waiting for
>>> channel to be ready for write. ch :
>>> java.nio.channels.SocketChannel[connected local=/5.9.41.237:50010
>>> remote=/5.9.74.13:34323]
>>> at
>>> org.apache.hadoop.net.SocketIOWithTimeout.waitForIO(SocketIOWithTimeout.java:246)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.waitForWritable(SocketOutputStream.java:172)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:220)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendPacket(BlockSender.java:547)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:716)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:486)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opReadBlock(Receiver.java:111)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:69)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:225)
>>> at java.lang.Thread.run(Thread.java:745)
>>> 2015-04-22 12:46:18,933 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode: Failed to send data:
>>> java.net.SocketTimeoutException: 480000 millis timeout while waiting for
>>> channel to be ready for write. ch :
>>> java.nio.channels.SocketChannel[connected local=/5.9.41.237:50010
>>> remote=/5.9.37.17:48803]
>>> 2015-04-22 12:46:18,933 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /
>>> 5.9.41.237:50010, dest: /5.9.37.17:48803, bytes: 393216, op: HDFS_READ,
>>> cliID: DFSClient_hb_rs_domain07.myhost.ru,60020,1426776403757_1987133929_33,
>>> offset: 3584, srvID: 659e6be2-8d98-458b-94bc-3bcdbb517508, blockid:
>>> BP-927943268-5.9.77.105-1414682145673:blk_1078158534_4418302, duration:
>>> 480375396714
>>> 2015-04-22 12:46:18,933 WARN
>>> org.apache.hadoop.hdfs.server.datanode.DataNode:
>>> DatanodeRegistration(5.9.41.237,
>>> datanodeUuid=659e6be2-8d98-458b-94bc-3bcdbb517508, infoPort=50075,
>>> ipcPort=50020, storageInfo=lv=-56;cid=cluster11;nsid=527111981;c=0):Got
>>> exception while serving
>>> BP-927943268-5.9.77.105-1414682145673:blk_1078158534_4418302 to /
>>> 5.9.37.17:48803
>>> java.net.SocketTimeoutException: 480000 millis timeout while waiting for
>>> channel to be ready for write. ch :
>>> java.nio.channels.SocketChannel[connected local=/5.9.41.237:50010
>>> remote=/5.9.37.17:48803]
>>> at
>>> org.apache.hadoop.net.SocketIOWithTimeout.waitForIO(SocketIOWithTimeout.java:246)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.waitForWritable(SocketOutputStream.java:172)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:220)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendPacket(BlockSender.java:547)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:716)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:486)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opReadBlock(Receiver.java:111)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:69)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:225)
>>> at java.lang.Thread.run(Thread.java:745)
>>> 2015-04-22 12:46:18,934 ERROR
>>> org.apache.hadoop.hdfs.server.datanode.DataNode: domain02.myhost.ru:50010:DataXceiver
>>> error processing READ_BLOCK operation  src: /5.9.37.17:48803 dst: /
>>> 5.9.41.237:50010
>>> java.net.SocketTimeoutException: 480000 millis timeout while waiting for
>>> channel to be ready for write. ch :
>>> java.nio.channels.SocketChannel[connected local=/5.9.41.237:50010
>>> remote=/5.9.37.17:48803]
>>> at
>>> org.apache.hadoop.net.SocketIOWithTimeout.waitForIO(SocketIOWithTimeout.java:246)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.waitForWritable(SocketOutputStream.java:172)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:220)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendPacket(BlockSender.java:547)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:716)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:486)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opReadBlock(Receiver.java:111)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:69)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:225)
>>> at java.lang.Thread.run(Thread.java:745)
>>> 2015-04-22 12:46:20,478 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode: Failed to send data:
>>> java.net.SocketTimeoutException: 480000 millis timeout while waiting for
>>> channel to be ready for write. ch :
>>> java.nio.channels.SocketChannel[connected local=/5.9.41.237:50010
>>> remote=/5.9.77.105:36871]
>>> 2015-04-22 12:46:20,478 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /
>>> 5.9.41.237:50010, dest: /5.9.77.105:36871, bytes: 327680, op:
>>> HDFS_READ, cliID: DFSClient_hb_rs_domain01.myhost.ru,60020,1427209265829_704706779_33,
>>> offset: 3584, srvID: 659e6be2-8d98-458b-94bc-3bcdbb517508, blockid:
>>> BP-927943268-5.9.77.105-1414682145673:blk_1078159312_4419080, duration:
>>> 480489227857
>>> 2015-04-22 12:46:20,478 WARN
>>> org.apache.hadoop.hdfs.server.datanode.DataNode:
>>> DatanodeRegistration(5.9.41.237,
>>> datanodeUuid=659e6be2-8d98-458b-94bc-3bcdbb517508, infoPort=50075,
>>> ipcPort=50020, storageInfo=lv=-56;cid=cluster11;nsid=527111981;c=0):Got
>>> exception while serving
>>> BP-927943268-5.9.77.105-1414682145673:blk_1078159312_4419080 to /
>>> 5.9.77.105:36871
>>> java.net.SocketTimeoutException: 480000 millis timeout while waiting for
>>> channel to be ready for write. ch :
>>> java.nio.channels.SocketChannel[connected local=/5.9.41.237:50010
>>> remote=/5.9.77.105:36871]
>>> at
>>> org.apache.hadoop.net.SocketIOWithTimeout.waitForIO(SocketIOWithTimeout.java:246)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.waitForWritable(SocketOutputStream.java:172)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:220)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendPacket(BlockSender.java:547)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:716)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:486)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opReadBlock(Receiver.java:111)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:69)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:225)
>>> at java.lang.Thread.run(Thread.java:745)
>>> 2015-04-22 12:46:20,478 ERROR
>>> org.apache.hadoop.hdfs.server.datanode.DataNode: domain02.myhost.ru:50010:DataXceiver
>>> error processing READ_BLOCK operation  src: /5.9.77.105:36871 dst: /
>>> 5.9.41.237:50010
>>> java.net.SocketTimeoutException: 480000 millis timeout while waiting for
>>> channel to be ready for write. ch :
>>> java.nio.channels.SocketChannel[connected local=/5.9.41.237:50010
>>> remote=/5.9.77.105:36871]
>>> at
>>> org.apache.hadoop.net.SocketIOWithTimeout.waitForIO(SocketIOWithTimeout.java:246)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.waitForWritable(SocketOutputStream.java:172)
>>> at
>>> org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:220)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendPacket(BlockSender.java:547)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:716)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:486)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opReadBlock(Receiver.java:111)
>>> at
>>> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:69)
>>> at
>>> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:225)
>>> at java.lang.Thread.run(Thread.java:745)
>>> 2015-04-22 12:46:20,677 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /
>>> 5.9.41.237:50010, dest: /5.9.65.143:36286, bytes: 5120, op: HDFS_READ,
>>> cliID: DFSClient_hb_rs_domain06.myhost.ru,60020,1426776843636_-1084357126_33,
>>> offset: 86653440, srvID: 659e6be2-8d98-458b-94bc-3bcdbb517508, blockid:
>>> BP-927943268-5.9.77.105-1414682145673:blk_1078128115_4387882, duration:
>>> 17623602
>>> 2015-04-22 12:46:20,690 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /
>>> 5.9.41.237:50010, dest: /78.46.48.38:57022, bytes: 5120, op: HDFS_READ,
>>> cliID: DFSClient_hb_rs_domain14.myhost.ru,60020,1429640630771_156324173_33,
>>> offset: 103135232, srvID: 659e6be2-8d98-458b-94bc-3bcdbb517508, blockid:
>>> BP-927943268-5.9.77.105-1414682145673:blk_1078120513_4380280, duration:
>>> 24431169
>>> 2015-04-22 12:46:20,747 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /
>>> 5.9.41.237:50010, dest: /5.9.40.136:34501, bytes: 5120, op: HDFS_READ,
>>> cliID: DFSClient_hb_rs_domain04.myhost.ru,60020,1426774142736_-1119788258_33,
>>> offset: 78469632, srvID: 659e6be2-8d98-458b-94bc-3bcdbb517508, blockid:
>>> BP-927943268-5.9.77.105-1414682145673:blk_1078108223_4367990, duration:
>>> 76055489
>>> 2015-04-22 12:46:20,758 INFO
>>> org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving
>>> BP-927943268-5.9.77.105-1414682145673:blk_1078160469_4420237 src: /
>>> 5.9.74.13:35440 dest: /5.9.41.237:50010
>>>
>>>
>>> 2015-04-22 20:30 GMT+02:00 Jean-Marc Spaggiari <jean-marc@spaggiari.org>
>>> :
>>>
>>>> Did you send the logs from one of those 3 servers? [5.9.41.237:50010,
>>>> 5.9.77.105:50010, 5.9.73.19:50010]
>>>>
>>>> Sound like something is slowing done everything. Can you extract DN logs
>>>> for the same time?
>>>>
>>>> Do you have any tool monitoring the disks and network latency over time?
>>>>
>>>> If not, can you run iostat and try to reproduce the issue?
>>>>
>>>> JM
>>>>
>>>> 2015-04-22 14:23 GMT-04:00 Serega Sheypak <serega.sheypak@gmail.com>:
>>>>
>>>> > > major compaction runs daily.
>>>> >
>>>> > >What else do you see in the RS logs?
>>>> > no error, only *Slow sync cost *
>>>> >
>>>> > >How iostat looks like?
>>>> > please see image. 12.00 - 12.30 is a time when reading/writing stopped
>>>> > [image: Встроенное изображение 1]
>>>> >
>>>> >
>>>> > >Can you share the logs around the time this occurs?
>>>> > 2015-04-22 12:53:09,996 WARN org.apache.hadoop.ipc.RpcServer:
>>>> > (responseTooSlow):
>>>> >
>>>> {"processingtimems":20128,"call":"Multi(org.apache.hadoop.hbase.protobuf.generated.ClientProtos$MultiRequest)","client":"
>>>> > 5.9.75.155:58344
>>>> >
>>>> ","starttimems":1429692769868,"queuetimems":28034,"class":"HRegionServer","responsesize":8,"method":"Multi"}
>>>> > 2015-04-22 12:53:09,996 WARN org.apache.hadoop.ipc.RpcServer:
>>>> > (responseTooSlow):
>>>> >
>>>> {"processingtimems":21434,"call":"Mutate(org.apache.hadoop.hbase.protobuf.generated.ClientProtos$MutateRequest)","client":"
>>>> > 46.4.0.110:60149
>>>> >
>>>> ","starttimems":1429692768562,"queuetimems":44263,"class":"HRegionServer","responsesize":2,"method":"Mutate"}
>>>> > 2015-04-22 12:53:10,093 WARN org.apache.hadoop.ipc.RpcServer:
>>>> > (responseTooSlow):
>>>> >
>>>> {"processingtimems":17997,"call":"Mutate(org.apache.hadoop.hbase.protobuf.generated.ClientProtos$MutateRequest)","client":"46.4.0.
>>>> >
>>>> > 015-04-22 12:53:10,270 WARN org.apache.hadoop.ipc.RpcServer:
>>>> > (responseTooSlow):
>>>> >
>>>> {"processingtimems":18175,"call":"Mutate(org.apache.hadoop.hbase.protobuf.generated.ClientProtos$MutateRequest)","client":"
>>>> > 144.76.218.107:48620
>>>> >
>>>> ","starttimems":1429692772095,"queuetimems":49253,"class":"HRegionServer","responsesize":2,"method":"Mutate"}
>>>> > 2015-04-22 12:53:10,315 INFO
>>>> > org.apache.hadoop.hbase.regionserver.wal.FSHLog: Slow sync cost: 319
>>>> ms,
>>>> > current pipeline: [5.9.41.237:50010, 5.9.77.105:50010,
>>>> 5.9.73.19:50010]
>>>> > 2015-04-22 12:53:10,315 INFO
>>>> > org.apache.hadoop.hbase.regionserver.wal.FSHLog: Slow sync cost: 319
>>>> ms,
>>>> > current pipeline: [5.9.41.237:50010, 5.9.77.105:50010,
>>>> 5.9.73.19:50010]
>>>> > 2015-04-22 12:53:10,315 INFO
>>>> > org.apache.hadoop.hbase.regionserver.wal.FSHLog: Slow sync cost: 319
>>>> ms,
>>>> > current pipeline: [5.9.41.237:50010, 5.9.77.105:50010,
>>>> 5.9.73.19:50010]
>>>> > 2015-04-22 12:53:10,315 INFO
>>>> > org.apache.hadoop.hbase.regionserver.wal.FSHLog: Slow sync cost: 319
>>>> ms,
>>>> > current pipeline: [5.9.41.237:50010, 5.9.77.105:50010,
>>>> 5.9.73.19:50010]
>>>> > 2015-04-22 12:53:10,315 WARN org.apache.hadoop.ipc.RpcServer:
>>>> > (responseTooSlow):
>>>> > {"processingtimems":20231,"call":"Mutate(org.apache.hadoop.hbase.
>>>> >
>>>> > 2015-04-22 12:53:11,726 INFO
>>>> org.apache.hadoop.hbase.regionserver.HStore:
>>>> > Added
>>>> >
>>>> hdfs://nameservice1/hbase/data/default/cross_id_to_rtb_user/d2e01ed1de47dd92edb5c1de37277d4a/c/a93405e51088418ba95241cf53456011,
>>>> > entries=926, sequenceid=43403085, filesize=258.5 K
>>>> > 2015-04-22 12:53:11,726 INFO
>>>> org.apache.hadoop.hbase.regionserver.HRegion:
>>>> > Finished memstore flush of ~3.8 M/3985504, currentsize=12.6 K/12912
>>>> for
>>>> > region
>>>> >
>>>> cross_id_to_rtb_user,aadf0929,1429256709528.d2e01ed1de47dd92edb5c1de37277d4a.
>>>> > in 857ms, sequenceid=43403085, compaction requested=true
>>>> > 2015-04-22 12:53:11,726 INFO
>>>> org.apache.hadoop.hbase.regionserver.HRegion:
>>>> > Starting compaction on c in region
>>>> >
>>>> cross_id_to_rtb_user,aadf0929,1429256709528.d2e01ed1de47dd92edb5c1de37277d4a.
>>>> > 2015-04-22 12:53:11,726 INFO
>>>> org.apache.hadoop.hbase.regionserver.HStore:
>>>> > Starting compaction of 3 file(s) in c of
>>>> >
>>>> cross_id_to_rtb_user,aadf0929,1429256709528.d2e01ed1de47dd92edb5c1de37277d4a.
>>>> > into
>>>> >
>>>> tmpdir=hdfs://nameservice1/hbase/data/default/cross_id_to_rtb_user/d2e01ed1de47dd92edb5c1de37277d4a/.tmp,
>>>> > totalSize=8.0 M
>>>> > 2015-04-22 12:53:11,917 INFO
>>>> > org.apache.hadoop.hbase.regionserver.wal.FSHLog: Slow sync cost: 417
>>>> ms,
>>>> > current pipeline: [5.9.41.237:50010, 5.9.77.105:50010,
>>>> 5.9.73.19:50010]
>>>> > 2015-04-22 12:53:11,939 INFO
>>>> > org.apache.hadoop.hbase.regionserver.wal.FSHLog: Slow sync cost: 340
>>>> ms,
>>>> > current pipeline: [5.9.41.237:50010, 5.9.77.105:50010,
>>>> 5.9.73.19:50010]
>>>> > 2015-04-22 12:53:11,939 INFO
>>>> > org.apache.hadoop.hbase.regionserver.wal.FSHLog: Slow sync cost: 340
>>>> ms,
>>>> > current pipeline: [5.9.41.237:50010, 5.9.77.105:50010,
>>>> 5.9.73.19:50010]
>>>> > 2015-04-22 12:53:11,939 INFO
>>>> > org.apache.hadoop.hbase.regionserver.wal.FSHLog: Slow sync cost: 340
>>>> ms,
>>>> > current pipeline: [5.9.41.237:50010, 5.9.77.105:50010,
>>>> 5.9.73.19:50010]
>>>> > 2015-04-22 12:53:11,939 INFO
>>>> > org.apache.hadoop.hbase.regionserver.wal.FSHLog: Slow sync cost: 340
>>>> ms,
>>>> > current pipeline: [5.9.41.237:50010, 5.9.77.105:50010,
>>>> 5.9.73.19:50010]
>>>> > 2015-04-22 12:53:12,199 INFO
>>>> > org.apache.hadoop.hbase.regionserver.wal.FSHLog: Slow sync cost: 282
>>>> ms,
>>>> > current pipeline: [5.9.41.237:50010, 5.9.77.105:50010,
>>>> 5.9.73.19:50010]
>>>> > 2015-04-22 12:53:13,132 INFO
>>>> > org.apache.hadoop.hbase.regionserver.wal.FSHLog: Slow sync cost: 1193
>>>> ms,
>>>> > current pipeline: [5.9.41.237:50010, 5.9.77.105:50010,
>>>> 5.9.73.19:50010]
>>>> > 2015-04-22 12:53:13,132 INFO
>>>> > org.apache.hadoop.hbase.regionserver.wal.FSHLog: Slow sync cost: 1193
>>>> ms,
>>>> > current pipeline: [5.9.41.237:50010, 5.9.77.105:50010,
>>>> 5.9.73.19:50010]
>>>> > 2015-04-22 12:53:13,132 INFO
>>>> > org.apache.hadoop.hbase.regionserver.wal.FSHLog: Slow sync cost: 1193
>>>> ms,
>>>> > current pipeline: [5.9.41.237:50010, 5.9.77.105:50010,
>>>> 5.9.73.19:50010]
>>>> > 2015-04-22 12:53:13,132 INFO
>>>> > org.apache.hadoop.hbase.regionserver.wal.FSHLog: Slow sync cost: 1193
>>>> ms,
>>>> > current pipeline: [5.9.41.237:50010, 5.9.77.105:50010,
>>>> 5.9.73.19:50010]
>>>> > 2015-04-22 12:53:13,247 INFO
>>>> > org.apache.hadoop.hbase.regionserver.DefaultStoreFlusher: Flushed,
>>>> > sequenceid=41975630, memsize=3.6 M, hasBloomFilter=true, into tmp file
>>>> >
>>>> hdfs://nameservice1/hbase/data/default/rtb_user_to_cross_id/c54d51dd7f20377ea34f05824abbaf76/.tmp/3495a2b487fa448bb9e0b50050b11c3a
>>>> > 2015-04-22 12:53:13,301 INFO
>>>> org.apache.hadoop.hbase.regionserver.HStore:
>>>> > Added
>>>> >
>>>> hdfs://nameservice1/hbase/data/default/rtb_user_to_cross_id/c54d51dd7f20377ea34f05824abbaf76/c/3495a2b487fa448bb9e0b50050b11c3a,
>>>> > entries=886, sequenceid=41975630, filesize=272.9 K
>>>> >
>>>> > 2015-04-22 19:54 GMT+02:00 Ted Yu <yuzhihong@gmail.com>:
>>>> >
>>>> >> Serega:
>>>> >> How often is major compaction run in your cluster ?
>>>> >>
>>>> >> Have you configured offpeak compaction ?
>>>> >> See related parameters in:
>>>> >> http://hbase.apache.org/book.html#compaction.parameters
>>>> >>
>>>> >> Cheers
>>>> >>
>>>> >> On Wed, Apr 22, 2015 at 10:39 AM, Serega Sheypak <
>>>> >> serega.sheypak@gmail.com>
>>>> >> wrote:
>>>> >>
>>>> >> > Hi, we have 10 nodes cluster running HBase 0.98 CDH 5.2.1
>>>> >> > Sometimes HBase stucks.
>>>> >> > We have several apps constantly writing/reading data from it.
>>>> Sometimes
>>>> >> we
>>>> >> > see that apps response time dramatically increases. It means
that
>>>> app
>>>> >> > spends seconds to read/write from/to HBase. in 99% of time
it takes
>>>> >> 20ms.
>>>> >> >
>>>> >> > I suppose that compactions/major compactions could be the root
>>>> cause. I
>>>> >> see
>>>> >> > that compactions start at the same time when we have problems
with
>>>> app.
>>>> >> > Could it be so?
>>>> >> > So HBase can't write to WAL because compactions consumes all
IO
>>>> and apps
>>>> >> > stops to write data?
>>>> >> >
>>>> >>
>>>> >
>>>> >
>>>>
>>>
>>>
>>
>

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