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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-17069) RegionServer writes invalid META entries for split daughters in some circumstances
Date Thu, 10 Nov 2016 23:42:59 GMT
Andrew Purtell created HBASE-17069:
--------------------------------------

             Summary: 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
    Affects Versions: 1.2.4
            Reporter: Andrew Purtell
            Priority: Critical


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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