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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