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https://issues.apache.org/jira/browse/HBASE-7290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13569174#comment-13569174
]
Ted Yu commented on HBASE-7290:
-------------------------------
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 =>
'test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae.', STARTKEY
=> '', ENDKEY => '', ENCODED =>
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 =>
'test,,1359756646966.e9c665350a0d6d059cad8ae03f8dadae.', STARTKEY
=> '', ENDKEY => '', ENCODED =>
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
& 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.
> Online snapshots
> -----------------
>
> Key: HBASE-7290
> URL: https://issues.apache.org/jira/browse/HBASE-7290
> Project: HBase
> Issue Type: Bug
> Reporter: Jonathan Hsieh
> Assignee: Jonathan Hsieh
>
> HBASE-6055 will be closed when the offline snapshots pieces get merged with
> trunk. This umbrella issue has all the online snapshot specific patches.
> This will get merged once one of the implementations makes it into trunk.
> Other flavors of online snapshots can then be done as normal patches instead
> of on a development branch.
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