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From "Eric Newton (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ACCUMULO-962) Failed to do close consistency check for tablet
Date Tue, 15 Jan 2013 18:36:13 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-962?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Newton updated ACCUMULO-962:
---------------------------------

    Assignee: Eric Newton  (was: Keith Turner)
    
> Failed to do close consistency check for tablet
> -----------------------------------------------
>
>                 Key: ACCUMULO-962
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-962
>             Project: Accumulo
>          Issue Type: Bug
>          Components: tserver
>    Affects Versions: 1.5.0
>         Environment: Small cluster: CentOS 5.7, Cloudera Hadoop 3 update 5
>            Reporter: Josh Elser
>            Assignee: Eric Newton
>            Priority: Minor
>
> After updating Accumulo trunk and deploying to a small cluster, I tend to find the following
table problem is shown on the monitor. It seems to be a false positive, as I can ignore it
and everything goes according to plan.
> Some context from the TServer which logged the exception:
> {noformat}
> 2013-01-13 00:39:36,692 [tabletserver.MinorCompactor] DEBUG: Begin minor compaction /accumulo/tables/7/t-001gnfo/F001gqrl.rf_tmp
7;3de353f7ced916e4;3dd2f1a9fbe76ce8
> 2013-01-13 00:39:36,713 [tabletserver.TabletServer] DEBUG: Got unloadTablet message from
user: !SYSTEM
> 2013-01-13 00:39:36,714 [tabletserver.TabletServer] DEBUG: UpSess null 9,549 in 0.153s,
at=[0 1 0.01 138] ft=0.103s(pt=0.002s lt=0.051s ct=0.050s)
> 2013-01-13 00:39:36,714 [tabletserver.TabletServer] DEBUG: Failures: 7, first extent
7;0f6c8b439581063c;0f5c28f5c28f5c4 successful commits: 0
> 2013-01-13 00:39:36,714 [tabletserver.TabletServer] DEBUG: Got unloadTablet message from
user: !SYSTEM
> 2013-01-13 00:39:36,714 [tabletserver.TabletServer] DEBUG: Got unloadTablet message from
user: !SYSTEM
> 2013-01-13 00:39:36,732 [tabletserver.TabletServer] DEBUG: Got unloadTablet message from
user: !SYSTEM
> 2013-01-13 00:39:36,782 [tabletserver.TabletServer] DEBUG: UpSess null 4,703 in 0.101s,
at=[0 0 0.00 138] ft=0.070s(pt=0.002s lt=0.033s ct=0.035s)
> 2013-01-13 00:39:36,782 [tabletserver.TabletServer] DEBUG: Failures: 7, first extent
7;0f6c8b439581063c;0f5c28f5c28f5c4 successful commits: 0
> 2013-01-13 00:39:36,826 [tabletserver.TabletServer] DEBUG: UpSess null 9,513 in 0.127s,
at=[0 0 0.00 138] ft=0.088s(pt=0.003s lt=0.052s ct=0.033s)
> 2013-01-13 00:39:36,826 [tabletserver.TabletServer] DEBUG: Failures: 7, first extent
7;0f6c8b439581063c;0f5c28f5c28f5c4 successful commits: 0
> 2013-01-13 00:39:36,863 [tabletserver.TabletServer] DEBUG: UpSess null 4,688 in 0.071s,
at=[0 0 0.00 136] ft=0.048s(pt=0.003s lt=0.022s ct=0.023s)
> 2013-01-13 00:39:36,863 [tabletserver.TabletServer] DEBUG: Failures: 5, first extent
7;0f8d4fdf3b645a34;0f7ced916872b038 successful commits: 0
> 2013-01-13 00:39:36,868 [tabletserver.TabletServer] DEBUG: Got unloadTablet message from
user: !SYSTEM
> 2013-01-13 00:39:36,868 [tabletserver.TabletServer] DEBUG: Got unloadTablet message from
user: !SYSTEM
> 2013-01-13 00:39:36,868 [tabletserver.TabletServer] DEBUG: Got unloadTablet message from
user: !SYSTEM
> 2013-01-13 00:39:36,879 [tabletserver.TabletServer] DEBUG: Got unloadTablet message from
user: !SYSTEM
> 2013-01-13 00:39:36,886 [tabletserver.Compactor] DEBUG: Compaction 7;3de353f7ced916e4;3dd2f1a9fbe76ce8
25,236 read | 25,236 written | 141,775 entries/sec |  0.178 secs
> 2013-01-13 00:39:36,888 [tabletserver.Tablet] DEBUG: Logs for memory compacted: 7;3de353f7ced916e4;3dd2f1a9fbe76ce8
10.10.32.121+9997/ea6c3aab-02ac-4599-b50e-b00df41887ed
> 2013-01-13 00:39:36,888 [tabletserver.Tablet] DEBUG: Logs for memory compacted: 7;3de353f7ced916e4;3dd2f1a9fbe76ce8
10.10.32.121+9997/d1aaf814-6209-46f3-8997-36541ea0dcc2
> 2013-01-13 00:39:36,888 [tabletserver.Tablet] DEBUG: Logs for current memory: 7;3de353f7ced916e4;3dd2f1a9fbe76ce8
10.10.32.121+9997/ea6c3aab-02ac-4599-b50e-b00df41887ed
> 2013-01-13 00:39:36,895 [log.TabletServerLogger] DEBUG:  wrote MinC finish  11312: writeTime:3ms

> 2013-01-13 00:39:36,895 [tabletserver.Tablet] TABLET_HIST: 7;3de353f7ced916e4;3dd2f1a9fbe76ce8
MinC [memory] -> /t-001gnfo/F001gqrl.rf
> 2013-01-13 00:39:36,895 [tabletserver.Tablet] DEBUG: MinC finish lock 0.00 secs 7;3de353f7ced916e4;3dd2f1a9fbe76ce8
> 2013-01-13 00:39:36,895 [tabletserver.NativeMap] DEBUG: Deallocating native map 0x00002aaab8f40540
> 2013-01-13 00:39:36,903 [tabletserver.Tablet] DEBUG: completeClose(saveState=true completeClose=true)
7;3de353f7ced916e4;3dd2f1a9fbe76ce8
> 2013-01-13 00:39:36,904 [tabletserver.NativeMap] DEBUG: Allocated native map 0x00002aaabc85e210
> 2013-01-13 00:39:36,904 [tabletserver.MinorCompactor] DEBUG: Begin minor compaction /accumulo/tables/7/t-001gnfo/F001gqrm.rf_tmp
7;3de353f7ced916e4;3dd2f1a9fbe76ce8
> 2013-01-13 00:39:36,919 [tabletserver.LargestFirstMemoryManager] DEBUG: BEFORE compactionThreshold
= 0.851 maxObserved = 731,712,351
> 2013-01-13 00:39:36,919 [tabletserver.LargestFirstMemoryManager] DEBUG: AFTER compactionThreshold
= 0.851
> 2013-01-13 00:39:36,935 [tabletserver.Compactor] DEBUG: Compaction 7;3de353f7ced916e4;3dd2f1a9fbe76ce8
138 read | 138 written | 69,000 entries/sec |  0.002 secs
> 2013-01-13 00:39:36,938 [tabletserver.Tablet] DEBUG: Logs for memory compacted: 7;3de353f7ced916e4;3dd2f1a9fbe76ce8
10.10.32.121+9997/ea6c3aab-02ac-4599-b50e-b00df41887ed
> 2013-01-13 00:39:36,948 [log.TabletServerLogger] DEBUG:  wrote MinC finish  11314: writeTime:0ms

> 2013-01-13 00:39:36,948 [tabletserver.Tablet] TABLET_HIST: 7;3de353f7ced916e4;3dd2f1a9fbe76ce8
MinC [memory] -> /t-001gnfo/F001gqrm.rf
> 2013-01-13 00:39:36,949 [tabletserver.Tablet] DEBUG: MinC finish lock 0.00 secs 7;3de353f7ced916e4;3dd2f1a9fbe76ce8
> 2013-01-13 00:39:36,949 [tabletserver.NativeMap] DEBUG: Deallocating native map 0x00002aaabd00fd10
> 2013-01-13 00:39:36,979 [tabletserver.Tablet] ERROR: Failed to do close consistency check
for tablet 7;3de353f7ced916e4;3dd2f1a9fbe76ce8
> java.lang.RuntimeException: Unexpected row 7;3df3b645a1cac0e expected 7;3de353f7ced916e4
>         at org.apache.accumulo.server.util.MetadataTable.getFileAndLogEntries(MetadataTable.java:838)
>         at org.apache.accumulo.server.tabletserver.Tablet.closeConsistencyCheck(Tablet.java:2761)
>         at org.apache.accumulo.server.tabletserver.Tablet.completeClose(Tablet.java:2714)
>         at org.apache.accumulo.server.tabletserver.Tablet.close(Tablet.java:2592)
>         at org.apache.accumulo.server.tabletserver.TabletServer$UnloadTabletHandler.run(TabletServer.java:2350)
>         at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
>         at org.apache.accumulo.cloudtrace.instrument.TraceRunnable.run(TraceRunnable.java:47)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at org.apache.accumulo.cloudtrace.instrument.TraceRunnable.run(TraceRunnable.java:47)
>         at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
>         at java.lang.Thread.run(Thread.java:662)
> {noformat}
> I can make the entire collection of logs available too if necessary.

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