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https://issues.apache.org/jira/browse/HBASE-10895?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jeffrey Zhong updated HBASE-10895:
----------------------------------
Status: Patch Available (was: Open)
> unassign a region fails due to the hosting region server is in
> FailedServerList
> -------------------------------------------------------------------------------
>
> Key: HBASE-10895
> URL: https://issues.apache.org/jira/browse/HBASE-10895
> Project: HBase
> Issue Type: Bug
> Components: Region Assignment
> Affects Versions: 0.98.1, 0.96.1, 0.99.0
> Reporter: Jeffrey Zhong
> Assignee: Jeffrey Zhong
> Attachments: hbase-10895.patch
>
>
> This issue is similar as HBASE-10833 which deal with the sendRegionOpen RPC
> while the JIRA issue happens with sendRegionClose.
> Once a RS in in failed server list due to a network hiccup, AM quickly
> exhausted all retries and failed the whole region assignment later. Below is
> a sample stack trace:
> {noformat}
> 2014-03-31 13:39:10,056 INFO [AM.-pool1-t8] master.AssignmentManager: Server
> hor16n09.gq1.ygridcore.net,60020,1396270942046 returned
> org.apache.hadoop.hbase.ipc.RpcClient$FailedServerException: This server is
> in the failed servers list: hor16n09.gq1.ygridcore.net/68.142.246.220:60020
> for loadtest_d1,59999994,1396261861562.fcef8d691632e99948fbf876d24f907e.,
> try=20 of 20
> org.apache.hadoop.hbase.ipc.RpcClient$FailedServerException: This server is
> in the failed servers list: hor16n09.gq1.ygridcore.net/68.142.246.220:60020
> at
> org.apache.hadoop.hbase.ipc.RpcClient$Connection.setupIOstreams(RpcClient.java:880)
> at
> org.apache.hadoop.hbase.ipc.RpcClient$Connection.writeRequest(RpcClient.java:1065)
> at
> org.apache.hadoop.hbase.ipc.RpcClient$Connection.tracedWriteRequest(RpcClient.java:1032)
> at org.apache.hadoop.hbase.ipc.RpcClient.call(RpcClient.java:1474)
> at
> org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1684)
> at
> org.apache.hadoop.hbase.ipc.RpcClient$BlockingRpcChannelImplementation.callBlockingMethod(RpcClient.java:1737)
> at
> org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$BlockingStub.closeRegion(AdminProtos.java:20854)
> at
> org.apache.hadoop.hbase.protobuf.ProtobufUtil.closeRegion(ProtobufUtil.java:1656)
> at
> org.apache.hadoop.hbase.master.ServerManager.sendRegionClose(ServerManager.java:693)
> at
> org.apache.hadoop.hbase.master.AssignmentManager.unassign(AssignmentManager.java:1685)
> at
> org.apache.hadoop.hbase.master.AssignmentManager.forceRegionStateToOffline(AssignmentManager.java:1786)
> at
> org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1436)
> at
> org.apache.hadoop.hbase.master.AssignCallable.call(AssignCallable.java:45)
> ....
> 2014-03-31 13:39:10,056 WARN [AM.-pool1-t8] master.RegionStates: Failed to
> open/close fcef8d691632e99948fbf876d24f907e on
> hor16n09.gq1.ygridcore.net,60020,1396270942046, set to FAILED_CLOSE
> 2014-03-31 13:39:10,056 INFO [AM.-pool1-t8] master.RegionStates:
> Transitioned {fcef8d691632e99948fbf876d24f907e state=PENDING_OPEN,
> ts=1396273149814, server=hor16n09.gq1.ygridcore.net,60020,1396270942046} to
> {fcef8d691632e99948fbf876d24f907e state=FAILED_CLOSE, ts=1396273150056,
> server=hor16n09.gq1.ygridcore.net,60020,1396270942046}
> 2014-03-31 13:39:10,056 INFO [AM.-pool1-t8] master.AssignmentManager: Skip
> assigning {ENCODED => fcef8d691632e99948fbf876d24f907e, NAME =>
> 'loadtest_d1,59999994,1396261861562.fcef8d691632e99948fbf876d24f907e.',
> STARTKEY => '59999994', ENDKEY => '66666660'}, we couldn't close it:
> {fcef8d691632e99948fbf876d24f907e state=FAILED_CLOSE, ts=1396273150056,
> server=hor16n09.gq1.ygridcore.net,60020,1396270942046}
> {noformat}
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