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From "Yu Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17069) RegionServer writes invalid META entries for split daughters in some circumstances
Date Mon, 28 Aug 2017 03:11:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16143323#comment-16143323
] 

Yu Li commented on HBASE-17069:
-------------------------------

bq. It is introduced by HBASE-14465, which is the backport of HBASE-12751.
Adding link to HBASE-14465 according to above description for better tracking

> 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-addendum.branch-1.3.001.patch, 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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