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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9387) Region could get lost during assignment
Date Thu, 05 Sep 2013 00:54:53 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13758597#comment-13758597
] 

Hudson commented on HBASE-9387:
-------------------------------

FAILURE: Integrated in hbase-0.96-hadoop2 #5 (See [https://builds.apache.org/job/hbase-0.96-hadoop2/5/])
HBASE-9387 Region could get lost during assignment (tedyu: rev 1520092)
* /hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/handler/OpenRegionHandler.java
* /hbase/branches/0.96/hbase-server/src/test/java/org/apache/hadoop/hbase/MockRegionServerServices.java
* /hbase/branches/0.96/hbase-server/src/test/java/org/apache/hadoop/hbase/TestFullLogReconstruction.java
* /hbase/branches/0.96/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/handler/TestOpenRegionHandler.java

                
> Region could get lost during assignment
> ---------------------------------------
>
>                 Key: HBASE-9387
>                 URL: https://issues.apache.org/jira/browse/HBASE-9387
>             Project: HBase
>          Issue Type: Bug
>          Components: Region Assignment
>    Affects Versions: 0.95.2
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Critical
>             Fix For: 0.98.0, 0.96.0
>
>         Attachments: 9387-v1.txt, 9387-v3.txt, 9387-v4.2.txt, 9387-v4.3.txt, 9387-v4.4.txt,
9387-v4.txt, 9387-v5.txt, 9387-v6.txt, 9387-v7.txt, 9387-v8.txt, 9387-v9.txt, hbase-9387.patch,
org.apache.hadoop.hbase.TestFullLogReconstruction-output.txt
>
>
> I observed test timeout running against hadoop 2.1.0 with distributed log replay turned
on.
> Looks like region state for 1588230740 became inconsistent between master and the surviving
region server:
> {code}
> 2013-08-29 22:15:34,180 INFO  [AM.ZK.Worker-pool2-t4] master.RegionStates(299): Onlined
1588230740 on kiyo.gq1.ygridcore.net,57016,1377814510039
> ...
> 2013-08-29 22:15:34,587 DEBUG [Thread-221] client.HConnectionManager$HConnectionImplementation(1269):
locateRegionInMeta parentTable=hbase:meta, metaLocation={region=hbase:meta,,1.1588230740,
hostname=kiyo.gq1.ygridcore.net,57016,1377814510039, seqNum=0}, attempt=2 of 35 failed; retrying
after sleep of 302 because: org.apache.hadoop.hbase.exceptions.RegionOpeningException: Region
is being opened: 1588230740
>         at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:2574)
>         at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:3949)
>         at org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java:2733)
>         at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:26965)
>         at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2063)
>         at org.apache.hadoop.hbase.ipc.RpcServer$CallRunner.run(RpcServer.java:1800)
>         at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.consumerLoop(SimpleRpcScheduler.java:165)
>         at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.access$000(SimpleRpcScheduler.java:41)
> {code}

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