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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Work started] (HBASE-7739) Fix TestSnapshotFromMaster failure
Date Sat, 02 Feb 2013 18:44:12 GMT

     [ https://issues.apache.org/jira/browse/HBASE-7739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Work on HBASE-7739 started by Ted Yu.

> Fix TestSnapshotFromMaster failure
> ----------------------------------
>
>                 Key: HBASE-7739
>                 URL: https://issues.apache.org/jira/browse/HBASE-7739
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>         Attachments: 7739.txt
>
>
> Looking at test output from TestSnapshotFromMaster:
> {code}
> 2013-02-01 14:10:49,234 INFO  [RegionServer:1;10.11.3.105,53794,1359756635266-splits-1359756649234]
regionserver.SplitTransaction(215): Starting split of region test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae.
> 2013-02-01 14:10:49,235 DEBUG [RegionServer:1;10.11.3.105,53794,1359756635266-splits-1359756649234]
regionserver.SplitTransaction(886): regionserver:53794-0x13c97cfa9760002 Creating ephemeral
node for e9c665350a0d6d059cad8ae03f8dadae in SPLITTING state
> 2013-02-01 14:10:49,236 DEBUG [main-EventThread] zookeeper.ZooKeeperWatcher(265): master:53791-0x13c97cfa9760000
Received ZooKeeper Event, type=NodeChildrenChanged, state=SyncConnected, path=/hbase/region-in-transition
> 2013-02-01 14:10:49,236 DEBUG [RegionServer:1;10.11.3.105,53794,1359756635266-splits-1359756649234]
zookeeper.ZKAssign(720): regionserver:53794-0x13c97cfa9760002 Attempting to transition node
e9c665350a0d6d059cad8ae03f8dadae from RS_ZK_REGION_SPLITTING to RS_ZK_REGION_SPLITTING
> 2013-02-01 14:10:49,238 DEBUG [RegionServer:1;10.11.3.105,53794,1359756635266-splits-1359756649234]
zookeeper.ZKUtil(1643): regionserver:53794-0x13c97cfa9760002 Retrieved 94 byte(s) of data
from znode /hbase/region-in-transition/e9c665350a0d6d059cad8ae03f8dadae; data=region=test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae.,
state=RS_ZK_REGION_SPLITTING, servername=10.11.3.105,53794,1359756635266, createTime=1359756649235,
payload.length=0
> 2013-02-01 14:10:49,238 DEBUG [hbase-am-zkevent-worker-pool-2-thread-16] zookeeper.ZKUtil(1643):
master:53791-0x13c97cfa9760000 Retrieved 94 byte(s) of data from znode /hbase/region-in-transition/e9c665350a0d6d059cad8ae03f8dadae
and set watcher; region=test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae., state=RS_ZK_REGION_SPLITTING,
servername=10.11.3.105,53794,1359756635266, createTime=1359756649235, payload.length=0
> 2013-02-01 14:10:49,239 DEBUG [main-EventThread] zookeeper.ZooKeeperWatcher(265): master:53791-0x13c97cfa9760000
Received ZooKeeper Event, type=NodeDataChanged, state=SyncConnected, path=/hbase/region-in-transition/e9c665350a0d6d059cad8ae03f8dadae
> 2013-02-01 14:10:49,240 DEBUG [RegionServer:1;10.11.3.105,53794,1359756635266-splits-1359756649234]
zookeeper.ZKAssign(782): regionserver:53794-0x13c97cfa9760002 Successfully transitioned node
e9c665350a0d6d059cad8ae03f8dadae from RS_ZK_REGION_SPLITTING to RS_ZK_REGION_SPLITTING
> 2013-02-01 14:10:49,240 DEBUG [RegionServer:1;10.11.3.105,53794,1359756635266-splits-1359756649234]
zookeeper.ZKAssign(720): regionserver:53794-0x13c97cfa9760002 Attempting to transition node
e9c665350a0d6d059cad8ae03f8dadae from RS_ZK_REGION_SPLITTING to RS_ZK_REGION_SPLITTING
> 2013-02-01 14:10:49,240 DEBUG [hbase-am-zkevent-worker-pool-2-thread-17] zookeeper.ZKUtil(1643):
master:53791-0x13c97cfa9760000 Retrieved 94 byte(s) of data from znode /hbase/region-in-transition/e9c665350a0d6d059cad8ae03f8dadae
and set watcher; region=test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae., state=RS_ZK_REGION_SPLITTING,
servername=10.11.3.105,53794,1359756635266, createTime=1359756649238, payload.length=0
> 2013-02-01 14:10:49,241 DEBUG [hbase-am-zkevent-worker-pool-2-thread-17] master.AssignmentManager(641):
Handling transition=RS_ZK_REGION_SPLITTING, server=10.11.3.105,53794,1359756635266, region=e9c665350a0d6d059cad8ae03f8dadae,
current state from region state map =null
> 2013-02-01 14:10:49,241 INFO  [hbase-am-zkevent-worker-pool-2-thread-17] master.RegionStates(242):
Region {NAME =&gt; &apos;test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae.&apos;,
STARTKEY =&gt; &apos;&apos;, ENDKEY =&gt; &apos;&apos;, ENCODED =&gt;
e9c665350a0d6d059cad8ae03f8dadae,} transitioned from {test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae.
state=OPEN, ts=1359756647443, server=10.11.3.105,53794,1359756635266} to {test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae.
state=SPLITTING, ts=1359756649241, server=10.11.3.105,53794,1359756635266}
> 2013-02-01 14:10:49,241 DEBUG [RegionServer:1;10.11.3.105,53794,1359756635266-splits-1359756649234]
zookeeper.ZKUtil(1643): regionserver:53794-0x13c97cfa9760002 Retrieved 94 byte(s) of data
from znode /hbase/region-in-transition/e9c665350a0d6d059cad8ae03f8dadae; data=region=test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae.,
state=RS_ZK_REGION_SPLITTING, servername=10.11.3.105,53794,1359756635266, createTime=1359756649238,
payload.length=0
> 2013-02-01 14:10:49,243 DEBUG [main-EventThread] zookeeper.ZooKeeperWatcher(265): master:53791-0x13c97cfa9760000
Received ZooKeeper Event, type=NodeDataChanged, state=SyncConnected, path=/hbase/region-in-transition/e9c665350a0d6d059cad8ae03f8dadae
> 2013-02-01 14:10:49,243 DEBUG [RegionServer:1;10.11.3.105,53794,1359756635266-splits-1359756649234]
zookeeper.ZKAssign(782): regionserver:53794-0x13c97cfa9760002 Successfully transitioned node
e9c665350a0d6d059cad8ae03f8dadae from RS_ZK_REGION_SPLITTING to RS_ZK_REGION_SPLITTING
> 2013-02-01 14:10:49,244 DEBUG [hbase-am-zkevent-worker-pool-2-thread-18] zookeeper.ZKUtil(1643):
master:53791-0x13c97cfa9760000 Retrieved 94 byte(s) of data from znode /hbase/region-in-transition/e9c665350a0d6d059cad8ae03f8dadae
and set watcher; region=test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae., state=RS_ZK_REGION_SPLITTING,
servername=10.11.3.105,53794,1359756635266, createTime=1359756649242, payload.length=0
> 2013-02-01 14:10:49,245 DEBUG [hbase-am-zkevent-worker-pool-2-thread-18] master.AssignmentManager(641):
Handling transition=RS_ZK_REGION_SPLITTING, server=10.11.3.105,53794,1359756635266, region=e9c665350a0d6d059cad8ae03f8dadae,
current state from region state map =null
> 2013-02-01 14:10:49,245 INFO  [hbase-am-zkevent-worker-pool-2-thread-18] master.RegionStates(242):
Region {NAME =&gt; &apos;test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae.&apos;,
STARTKEY =&gt; &apos;&apos;, ENDKEY =&gt; &apos;&apos;, ENCODED =&gt;
e9c665350a0d6d059cad8ae03f8dadae,} transitioned from {test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae.
state=SPLITTING, ts=1359756649241, server=10.11.3.105,53794,1359756635266} to {test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae.
state=SPLITTING, ts=1359756649245, server=10.11.3.105,53794,1359756635266}
> 2013-02-01 14:10:49,246 DEBUG [RegionServer:1;10.11.3.105,53794,1359756635266-splits-1359756649234]
regionserver.HRegion(1005): Closing test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae.:
disabling compactions &amp; flushes
> 2013-02-01 14:10:49,246 WARN  [IPC Server handler 1 on 53794] regionserver.HRegion(2133):
Failed getting lock in batch put, row=hox
> org.apache.hadoop.hbase.NotServingRegionException: test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae.
is closing
>   at org.apache.hadoop.hbase.regionserver.HRegion.startRegionOperation(HRegion.java:5319)
>   at org.apache.hadoop.hbase.regionserver.HRegion.internalObtainRowLock(HRegion.java:3181)
>   at org.apache.hadoop.hbase.regionserver.HRegion.getLock(HRegion.java:3269)
>   at org.apache.hadoop.hbase.regionserver.HRegion.doMiniBatchMutation(HRegion.java:2130)
>   at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2004)
>   at org.apache.hadoop.hbase.regionserver.HRegionServer.doBatchOp(HRegionServer.java:3862)
>   at org.apache.hadoop.hbase.regionserver.HRegionServer.multi(HRegionServer.java:3307)
>   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>   at java.lang.reflect.Method.invoke(Method.java:597)
>   at org.apache.hadoop.hbase.ipc.ProtobufRpcServerEngine$Server.call(ProtobufRpcServerEngine.java:197)
>   at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1786)
> 2013-02-01 14:10:49,257 DEBUG [RegionServer:1;10.11.3.105,53794,1359756635266-splits-1359756649234]
regionserver.HRegion(1027): Updates disabled for region test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae.
> {code}
> I think we should replace IncreasingToUpperBoundRegionSplitPolicy in TestSnapshotFromMaster.

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