[ 
https://issues.apache.org/jira/browse/HBASE-17069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Duo Zhang updated HBASE-17069:
------------------------------
      Resolution: Fixed
    Hadoop Flags: Reviewed
          Status: Resolved  (was: Patch Available)

Pushed to branch-1.2+.

Thanks [~abhishek.chouhan] for your nice work.

And [~stack] [~apurtell], let's start verifying if branch-1.2 and branch-1.3 
can pass ITBLL now? If so, we can safely retire 1.1.x release then?

> RegionServer writes invalid META entries for split daughters in some 
> circumstances
> ----------------------------------------------------------------------------------
>
>                 Key: HBASE-17069
>                 URL: https://issues.apache.org/jira/browse/HBASE-17069
>             Project: HBase
>          Issue Type: Bug
>          Components: wal
>    Affects Versions: 2.0.0, 1.3.0, 1.4.0, 1.2.4
>            Reporter: Andrew Purtell
>            Assignee: Abhishek Singh Chouhan
>            Priority: Blocker
>             Fix For: 2.0.0, 1.4.0, 1.3.1, 1.2.5
>
>         Attachments: daughter_1_d55ef81c2f8299abbddfce0445067830.log, 
> daughter_2_08629d59564726da2497f70451aafcdb.log, 
> HBASE-17069.branch-1.3.001.patch, HBASE-17069.branch-1.3.002.patch, 
> HBASE-17069.master.001.patch, logs.tar.gz, 
> parent-393d2bfd8b1c52ce08540306659624f2.log
>
>
> I have been seeing frequent ITBLL failures testing various versions of 1.2.x. 
> Over the lifetime of 1.2.x the following issues have been fixed:
> - HBASE-15315 (Remove always set super user call as high priority)
> - HBASE-16093 (Fix splits failed before creating daughter regions leave meta 
> inconsistent)
> And this one is pending:
> - HBASE-17044 (Fix merge failed before creating merged region leaves meta 
> inconsistent)
> I can apply all of the above to branch-1.2 and still see this failure: 
> *The life of stillborn region d55ef81c2f8299abbddfce0445067830*
> *Master sees SPLITTING_NEW*
> {noformat}
> 2016-11-08 04:23:21,186 INFO  [AM.ZK.Worker-pool2-t82] master.RegionStates: 
> Transition null to {d55ef81c2f8299abbddfce0445067830 state=SPLITTING_NEW, 
> ts=1478579001186, server=node-3.cluster,16020,1478578389506}
> {noformat}
> *The RegionServer creates it*
> {noformat}
> 2016-11-08 04:23:26,035 INFO  
> [StoreOpener-d55ef81c2f8299abbddfce0445067830-1] hfile.CacheConfig: Created 
> cacheConfig for GomnU: blockCache=LruBlockCache{blockCount=34, 
> currentSize=14996112, freeSize=12823716208, maxSize=12838712320, 
> heapSize=14996112, minSize=12196776960, minFactor=0.95, multiSize=6098388480, 
> multiFactor=0.5, singleSize=3049194240, singleFactor=0.25}, 
> cacheDataOnRead=true, cacheDataOnWrite=false, cacheIndexesOnWrite=false, 
> cacheBloomsOnWrite=false, cacheEvictOnClose=false, cacheDataCompressed=false, 
> prefetchOnOpen=false
> 2016-11-08 04:23:26,038 INFO  
> [StoreOpener-d55ef81c2f8299abbddfce0445067830-1] hfile.CacheConfig: Created 
> cacheConfig for big: blockCache=LruBlockCache{blockCount=34, 
> currentSize=14996112, freeSize=12823716208, maxSize=12838712320, 
> heapSize=14996112, minSize=12196776960, minFactor=0.95, multiSize=6098388480, 
> multiFactor=0.5, singleSize=3049194240, singleFactor=0.25}, 
> cacheDataOnRead=true, cacheDataOnWrite=false, cacheIndexesOnWrite=false, 
> cacheBloomsOnWrite=false, cacheEvictOnClose=false, cacheDataCompressed=false, 
> prefetchOnOpen=false
> 2016-11-08 04:23:26,442 INFO  
> [StoreOpener-d55ef81c2f8299abbddfce0445067830-1] hfile.CacheConfig: Created 
> cacheConfig for meta: blockCache=LruBlockCache{blockCount=63, 
> currentSize=17187656, freeSize=12821524664, maxSize=12838712320, 
> heapSize=17187656, minSize=12196776960, minFactor=0.95, multiSize=6098388480, 
> multiFactor=0.5, singleSize=3049194240, singleFactor=0.25}, 
> cacheDataOnRead=true, cacheDataOnWrite=false, cacheIndexesOnWrite=false, 
> cacheBloomsOnWrite=false, cacheEvictOnClose=false, cacheDataCompressed=false, 
> prefetchOnOpen=false
> 2016-11-08 04:23:26,713 INFO  
> [StoreOpener-d55ef81c2f8299abbddfce0445067830-1] hfile.CacheConfig: Created 
> cacheConfig for nwmrW: blockCache=LruBlockCache{blockCount=96, 
> currentSize=19178440, freeSize=12819533880, maxSize=12838712320, 
> heapSize=19178440, minSize=12196776960, minFactor=0.95, multiSize=6098388480, 
> multiFactor=0.5, singleSize=3049194240, singleFactor=0.25}, 
> cacheDataOnRead=true, cacheDataOnWrite=false, cacheIndexesOnWrite=false, 
> cacheBloomsOnWrite=false, cacheEvictOnClose=false, cacheDataCompressed=false, 
> prefetchOnOpen=false
> 2016-11-08 04:23:26,715 INFO  
> [StoreOpener-d55ef81c2f8299abbddfce0445067830-1] hfile.CacheConfig: Created 
> cacheConfig for piwbr: blockCache=LruBlockCache{blockCount=96, 
> currentSize=19178440, freeSize=12819533880, maxSize=12838712320, 
> heapSize=19178440, minSize=12196776960, minFactor=0.95, multiSize=6098388480, 
> multiFactor=0.5, singleSize=3049194240, singleFactor=0.25}, 
> cacheDataOnRead=true, cacheDataOnWrite=false, cacheIndexesOnWrite=false, 
> cacheBloomsOnWrite=false, cacheEvictOnClose=false, cacheDataCompressed=false, 
> prefetchOnOpen=false
> 2016-11-08 04:23:26,717 INFO  
> [StoreOpener-d55ef81c2f8299abbddfce0445067830-1] hfile.CacheConfig: Created 
> cacheConfig for tiny: blockCache=LruBlockCache{blockCount=96, 
> currentSize=19178440, freeSize=12819533880, maxSize=12838712320, 
> heapSize=19178440, minSize=12196776960, minFactor=0.95, multiSize=6098388480, 
> multiFactor=0.5, singleSize=3049194240, singleFactor=0.25}, 
> cacheDataOnRead=true, cacheDataOnWrite=false, cacheIndexesOnWrite=false, 
> cacheBloomsOnWrite=false, cacheEvictOnClose=false, cacheDataCompressed=false, 
> prefetchOnOpen=false
> {noformat}
> *The RegionServer onlines it*
> {noformat}
> 2016-11-08 04:23:27,015 INFO  
> [node-3.cluster,16020,1478578389506-daughterOpener=d55ef81c2f8299abbddfce0445067830]
>  regionserver.HRegion: Onlined d55ef81c2f8299abbddfce0445067830; next 
> sequenceid=19184
> 2016-11-08 04:23:27,029 INFO  
> [regionserver/node-3.cluster/192.168.124.4:16020-splits-1478579001099] 
> regionserver.HRegionServer: Post open deploy tasks for 
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830.
> 2016-11-08 04:23:27,047 INFO  
> [regionserver/node-3.cluster/192.168.124.4:16020-splits-1478579001099] 
> hbase.MetaTableAccessor: Updated row 
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830. 
> with server=node-3.cluster,16020,1478578389506
> {noformat}
> *The Master transitions state from SPLITTING_NEW to OPEN*
> {noformat}
> 2016-11-08 04:23:27,058 INFO  [AM.ZK.Worker-pool2-t84] master.RegionStates: 
> Transition {d55ef81c2f8299abbddfce0445067830 state=SPLITTING_NEW, 
> ts=1478579007057, server=node-3.cluster,16020,1478578389506} to 
> {d55ef81c2f8299abbddfce0445067830 state=OPEN, ts=1478579007058, 
> server=node-3.cluster,16020,1478578389506}
> 2016-11-08 04:23:27,059 INFO  [AM.ZK.Worker-pool2-t84] 
> master.AssignmentManager: Handled SPLIT event; 
> parent=IntegrationTestBigLinkedList,,1478577020916.393d2bfd8b1c52ce08540306659624f2.,
>  daughter 
> a=IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830.,
>  daughter 
> b=IntegrationTestBigLinkedList,/\xFB\x14,1478579001155.08629d59564726da2497f70451aafcdb.,
>  on node-3.cluster,16020,1478578389506
> {noformat}
> *RegionServer updates META  - BUT APPARENTLY NOT CORRECTLY*
> {noformat}
> 2016-11-08 04:23:27,165 INFO  
> [regionserver/node-3.cluster/192.168.124.4:16020-splits-1478579001099] 
> regionserver.SplitRequest: Region split, hbase:meta updated, and report to 
> master. 
> Parent=IntegrationTestBigLinkedList,,1478577020916.393d2bfd8b1c52ce08540306659624f2.,
>  new regions: 
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830.,
>  
> IntegrationTestBigLinkedList,/\xFB\x14,1478579001155.08629d59564726da2497f70451aafcdb..
>  Split took 6sec
> {noformat}
> *RegionServer delays flush*
> (Is this important?)
> {noformat}
> 2016-11-08 04:24:14,639 WARN  [MemStoreFlusher.0] 
> regionserver.MemStoreFlusher: Region 
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830. 
> has too many store files; delaying flush up to 90000ms
> {noformat}
> *Immediate warnings about No serialized HRegionInfo*
> {noformat}
> 2016-11-08 04:24:44,691 WARN  
> [B.defaultRpcServer.handler=26,queue=2,port=16000] hbase.MetaTableAccessor: 
> No serialized HRegionInfo in 
> keyvalues={IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:seqnumDuringOpen/1478579007029/Put/vlen=8/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:server/1478579007029/Put/vlen=20/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:serverstartcode/1478579007029/Put/vlen=8/seqid=0}
> {noformat}
> *Master is not happy either*
> {noformat}
> 2016-11-08 04:24:51,148 WARN  [MASTER_TABLE_OPERATIONS-node-1:16000-0] 
> hbase.MetaTableAccessor: No serialized HRegionInfo in 
> keyvalues={IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:seqnumDuringOpen/1478579007029/Put/vlen=8/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:server/1478579007029/Put/vlen=20/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:serverstartcode/1478579007029/Put/vlen=8/seqid=0}
> {noformat}
> *TestRunner MetaScanner complains about invalid entries in META missing 
> HRegionInfo*
> {noformat}
> (standard input):9086:2016-11-08 05:04:17,230 WARN  
> [B.defaultRpcServer.handler=4,queue=1,port=16000] hbase.MetaTableAccessor: No 
> serialized HRegionInfo in 
> keyvalues={IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:seqnumDuringOpen/1478581041080/Put/vlen=8/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:server/1478581041080/Put/vlen=20/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:serverstartcode/1478581041080/Put/vlen=8/seqid=0}
> {noformat}
> *ITBLL MapReduce tasks fail because part of the keyspace cannot be located:*
> {noformat}
> java.io.IOException: HRegionInfo was null in IntegrationTestBigLinkedList, 
> row=keyvalues={IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:seqnumDuringOpen/1478581041080/Put/vlen=8/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:server/1478581041080/Put/vlen=20/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:serverstartcode/1478581041080/Put/vlen=8/seqid=0}
>         at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegionInMeta(ConnectionManager.java:1293)
>         at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:1185)
>         at 
> org.apache.hadoop.hbase.client.AsyncProcess.submit(AsyncProcess.java:410)
>         at 
> org.apache.hadoop.hbase.client.AsyncProcess.submit(AsyncProcess.java:359)
>         at 
> org.apache.hadoop.hbase.client.BufferedMutatorImpl.backgroundFlushCommits(BufferedMutatorImpl.java:238)
>         at 
> org.apache.hadoop.hbase.client.BufferedMutatorImpl.mutate(BufferedMutatorImpl.java:154)
>         at 
> org.apache.hadoop.hbase.client.BufferedMutatorImpl.mutate(BufferedMutatorImpl.java:121)
>         at 
> org.apache.hadoop.hbase.test.IntegrationTestBigLinkedList$Generator$GeneratorMapper.persist(IntegrationTestBigLinkedList.java:486)
>         at 
> org.apache.hadoop.hbase.test.IntegrationTestBigLinkedList$Generator$GeneratorMapper.map(IntegrationTestBigLinkedList.java:431)
>         at 
> org.apache.hadoop.hbase.test.IntegrationTestBigLinkedList$Generator$GeneratorMapper.map(IntegrationTestBigLinkedList.java:375)
>         at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:146)
>         at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:787)
>         at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
>         at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:170)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:422)
>         at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1719)
>         at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:164)
> {noformat}
> {noformat}
> ./application_1478574724776_0002/container_1478574724776_0002_01_000008/syslog:920:java.io.IOException:
>  HRegionInfo was null in IntegrationTestBigLinkedList, 
> row=keyvalues={IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:seqnumDuringOpen/1478580288482/Put/vlen=8/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:server/1478580288482/Put/vlen=20/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:serverstartcode/1478580288482/Put/vlen=8/seqid=0}
> {noformat}
> {noformat}
> ./application_1478574724776_0002/container_1478574724776_0002_01_000010/syslog:920:java.io.IOException:
>  HRegionInfo was null in IntegrationTestBigLinkedList, 
> row=keyvalues={IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:seqnumDuringOpen/1478580288482/Put/vlen=8/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:server/1478580288482/Put/vlen=20/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:serverstartcode/1478580288482/Put/vlen=8/seqid=0}
> {noformat}
> {noformat}
> ./application_1478574724776_0002/container_1478574724776_0002_01_000011/syslog:909:java.io.IOException:
>  HRegionInfo was null in IntegrationTestBigLinkedList, 
> row=keyvalues={IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:seqnumDuringOpen/1478580288482/Put/vlen=8/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:server/1478580288482/Put/vlen=20/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:serverstartcode/1478580288482/Put/vlen=8/seqid=0}
> {noformat}
> {noformat}
> ./application_1478574724776_0002/container_1478574724776_0002_01_000030/syslog:48:java.io.IOException:
>  HRegionInfo was null in IntegrationTestBigLinkedList, 
> row=keyvalues={IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:seqnumDuringOpen/1478581041080/Put/vlen=8/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:server/1478581041080/Put/vlen=20/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:serverstartcode/1478581041080/Put/vlen=8/seqid=0}
> {noformat}
> {noformat}
> ./application_1478574724776_0002/container_1478574724776_0002_01_000048/syslog:48:java.io.IOException:
>  HRegionInfo was null in IntegrationTestBigLinkedList, 
> row=keyvalues={IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:seqnumDuringOpen/1478581041080/Put/vlen=8/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:server/1478581041080/Put/vlen=20/seqid=0,
>  
> IntegrationTestBigLinkedList,,1478579001155.d55ef81c2f8299abbddfce0445067830./info:serverstartcode/1478581041080/Put/vlen=8/seqid=0}
> {noformat}



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