[
https://issues.apache.org/jira/browse/HBASE-11906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14141727#comment-14141727
]
Hudson commented on HBASE-11906:
--------------------------------
FAILURE: Integrated in HBase-1.0 #210 (See
[https://builds.apache.org/job/HBase-1.0/210/])
HBASE-11906: Meta data loss with distributed log replay (jeffreyz: rev
1c127220f0aba64e9a5732fc141e5a0ff794cd48)
*
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestDistributedLogSplitting.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/HLogUtil.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/HLog.java
> Meta data loss with distributed log replay
> ------------------------------------------
>
> Key: HBASE-11906
> URL: https://issues.apache.org/jira/browse/HBASE-11906
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.99.0, 2.0.0
> Reporter: Jimmy Xiang
> Assignee: Jeffrey Zhong
> Fix For: 2.0.0, 0.99.1
>
> Attachments: HBASE-11906.patch, debugging.patch,
> hbase-11906-v2.patch, meta-data-loss-2.log, meta-data-loss-with-dlr.log
>
>
> In the attached log, you can see, before log replaying, the region is open on
> e1205:
> {noformat}
> A3. 2014-09-05 16:38:46,705 INFO
> [B.defaultRpcServer.handler=5,queue=2,port=20020] master.RegionStateStore:
> Updating row
> IntegrationTestBigLinkedList,\x90Jy\x04\xA7\x90Jp,1409959495482.cbb0d736ebfabcf4a07e5a7b395fcdf7.
> with
> state=OPEN&openSeqNum=40118237&server=e1205.halxg.cloudera.com,20020,1409960280431
> {noformat}
> After the log replay, we got from meta the region is open on e1209
> {noformat}
> A4. 2014-09-05 16:41:12,257 INFO [ActiveMasterManager]
> master.AssignmentManager: Loading from meta:
> {cbb0d736ebfabcf4a07e5a7b395fcdf7 state=OPEN, ts=1409960472257,
> server=e1209.halxg.cloudera.com,20020,1409959391651}
> {noformat}
> The replayed edits show the log does have the edit expected:
> {noformat}
> 2014-09-05 16:41:11,862 INFO
> [B.defaultRpcServer.handler=18,queue=0,port=20020]
> regionserver.RSRpcServices: Meta replay edit
> type=PUT,mutation={"totalColumns":4,"families":{"info":[{"timestamp":1409960326705,"tag":["3:\\x00\\x00\\x00\\x00\\x02bad"],"value":"e1205.halxg.cloudera.com:20020","qualifier":"server","vlen":30},{"timestamp":1409960326705,"tag":["3:\\x00\\x00\\x00\\x00\\x02bad"],"value":"\\x00\\x00\\x01HH.\\x81o","qualifier":"serverstartcode","vlen":8},{"timestamp":1409960326705,"tag":["3:\\x00\\x00\\x00\\x00\\x02bad"],"value":"\\x00\\x00\\x00\\x00\\x02d'\\xDD","qualifier":"seqnumDuringOpen","vlen":8},{"timestamp":1409960326706,"tag":["3:\\x00\\x00\\x00\\x00\\x02bad"],"value":"OPEN","qualifier":"state","vlen":4}]},"row":"IntegrationTestBigLinkedList,\\x90Jy\\x04\\xA7\\x90Jp,1409959495482.cbb0d736ebfabcf4a07e5a7b395fcdf7."}
> {noformat}
> Why we picked up a wrong value with an older time stamp?
> {noformat}
> 2014-09-05 16:41:11,063 INFO
> [B.defaultRpcServer.handler=9,queue=0,port=20020] regionserver.RSRpcServices:
> Meta replay edit
> type=PUT,mutation={"totalColumns":4,"families":{"info":[{"timestamp":1409959994634,"tag":["3:\\x00\\x00\\x00\\x00\\x00\\x00\\x09\\x99"],"value":"e1209.halxg.cloudera.com:20020","qualifier":"server","vlen":30},{"timestamp":1409959994634,"tag":["3:\\x00\\x00\\x00\\x00\\x00\\x00\\x09\\x99"],"value":"\\x00\\x00\\x01HH
>
> \\xF1\\xA3","qualifier":"serverstartcode","vlen":8},{"timestamp":1409959994634,"tag":["3:\\x00\\x00\\x00\\x00\\x00\\x00\\x09\\x99"],"value":"\\x00\\x00\\x00\\x00\\x00\\x01\\xB7\\xAB","qualifier":"seqnumDuringOpen","vlen":8},{"timestamp":1409959994634,"tag":["3:\\x00\\x00\\x00\\x00\\x00\\x00\\x09\\x99"],"value":"OPEN","qualifier":"state","vlen":4}]},"row":"IntegrationTestBigLinkedList,\\x90Jy\\x04\\xA7\\x90Jp,1409959495482.cbb0d736ebfabcf4a07e5a7b395fcdf7."}
> {noformat}
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