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https://issues.apache.org/jira/browse/HBASE-846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12625907#action_12625907
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stack commented on HBASE-846:
-----------------------------
hbase 0.2.0 and hadoop 0.17.2. on pset cluster.
> hbase looses its mind when hdfs fills
> -------------------------------------
>
> Key: HBASE-846
> URL: https://issues.apache.org/jira/browse/HBASE-846
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
>
> Looking in log, I see:
> {code}
> 2008-08-26 18:57:23,602 INFO org.apache.hadoop.dfs.DFSClient:
> org.apache.hadoop.ipc.RemoteException: java.io.IOException: File
> /hbase/aa0-000-8.u.powerset.com/log_208.76.45.95_1218666613846_60020/hlog.dat.1219776799293
> could only be replicated to 0 nodes, instead of 1
> at
> org.apache.hadoop.dfs.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1145)
> at org.apache.hadoop.dfs.NameNode.addBlock(NameNode.java:300)
> at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:446)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:896)
> at org.apache.hadoop.ipc.Client.call(Client.java:557)
> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:212)
> at org.apache.hadoop.dfs.$Proxy1.addBlock(Unknown Source)
> at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
> at org.apache.hadoop.dfs.$Proxy1.addBlock(Unknown Source)
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream.locateFollowingBlock(DFSClient.java:2335)
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:2220)
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream.access$1700(DFSClient.java:1702)
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:1842)
> {code}
> ... and then:
> {code}
> 2008-08-26 18:57:28,423 WARN org.apache.hadoop.dfs.DFSClient: Error Recovery
> for block null bad datanode[0]
> 2008-08-26 18:57:28,424 FATAL org.apache.hadoop.hbase.regionserver.HLog:
> Could not append. Requesting close of log
> java.io.IOException: Could not get block locations. Aborting...
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream.processDatanodeError(DFSClient.java:2081)
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream.access$1300(DFSClient.java:1702)
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:1818)
> 2008-08-26 18:57:28,424 INFO org.apache.hadoop.hbase.regionserver.LogRoller:
> Rolling hlog. Number of entries: 127
> 2008-08-26 18:57:28,424 ERROR org.apache.hadoop.hbase.regionserver.LogRoller:
> Log rolling failed
> java.io.IOException: Could not get block locations. Aborting...
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream.processDatanodeError(DFSClient.java:2081)
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream.access$1300(DFSClient.java:1702)
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:1818)
> ...
> {code}
> ... and so on.
> Meantime clients are trying to do updates and getting below:
> {code}
> 2008-08-26 22:49:42,834 INFO org.apache.hadoop.ipc.Server: IPC Server handler
> 9 on 60020, call batchUpdate([EMAIL PROTECTED], row =>
> IKwQLMJ3rKRvtAv_ZkQlAk==, {column => page:url, value => '...', column =>
> page:contents, value => '...'}) from 208.76.45.3:51164: error:
> java.io.IOException: Could not get block locations. Aborting...
> java.io.IOException: Could not get block locations. Aborting...
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream.processDatanodeError(DFSClient.java:2081)
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream.access$1300(DFSClient.java:1702)
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:1818)
> ..
> {code}
> DFSClient seems horked.
> Need to be able to ride out these kind of event.
> Restart is needed.
> Test this by filling HDFS.
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