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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7213) Have HLog files for .META. edits only
Date Thu, 10 Jan 2013 03:54:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13549344#comment-13549344
] 

Ted Yu commented on HBASE-7213:
-------------------------------

Running tests mentioned above against latest patch:
{code}
test3686b(org.apache.hadoop.hbase.client.TestScannerTimeout)  Time elapsed: 0.007 sec  <<<
ERROR!
java.lang.ArrayIndexOutOfBoundsException: -1
  at java.util.concurrent.CopyOnWriteArrayList.get(CopyOnWriteArrayList.java:343)
  at java.util.Collections$UnmodifiableList.get(Collections.java:1152)
  at org.apache.hadoop.hbase.HBaseTestingUtility.getRSForFirstRegionInTable(HBaseTestingUtility.java:1456)
  at org.apache.hadoop.hbase.client.TestScannerTimeout.test3686b(TestScannerTimeout.java:199)
{code}
It may not be related to the patch.
The following two may need closer look:
{code}
testDataCorrectnessReplayingRecoveredEdits(org.apache.hadoop.hbase.regionserver.TestHRegionOnCluster)
 Time elapsed: 85.445 sec  <<< ERROR!
org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException: Failed 1 action: ExecutionException:
1 time,
  at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$Process.processBatchCallback(HConnectionManager.java:2063)
  at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$Process.access$900(HConnectionManager.java:1850)
  at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1839)
  at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1818)
  at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:885)
  at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:695)
  at org.apache.hadoop.hbase.client.HTable.put(HTable.java:670)
  at org.apache.hadoop.hbase.regionserver.TestHRegionOnCluster.putDataAndVerify(TestHRegionOnCluster.java:127)
  at org.apache.hadoop.hbase.regionserver.TestHRegionOnCluster.testDataCorrectnessReplayingRecoveredEdits(TestHRegionOnCluster.java:115)
{code}
{code}
testCorrectnessWhenMasterFailOver(org.apache.hadoop.hbase.regionserver.TestRSKilledWhenMasterInitializing)
 Time elapsed: 23.843 sec  <<< FAILURE!
java.lang.AssertionError
  at org.junit.Assert.fail(Assert.java:92)
  at org.junit.Assert.assertTrue(Assert.java:43)
  at org.junit.Assert.assertTrue(Assert.java:54)
  at org.apache.hadoop.hbase.regionserver.TestRSKilledWhenMasterInitializing.testCorrectnessWhenMasterFailOver(TestRSKilledWhenMasterInitializing.java:188)
{code}
                
> Have HLog files for .META. edits only
> -------------------------------------
>
>                 Key: HBASE-7213
>                 URL: https://issues.apache.org/jira/browse/HBASE-7213
>             Project: HBase
>          Issue Type: Improvement
>          Components: master, regionserver
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>            Priority: Critical
>             Fix For: 0.96.0
>
>         Attachments: 7213-2.4.patch, 7213-2.6.patch, 7213-2.8.patch, 7213-2.9.patch,
7213-in-progress.2.2.patch, 7213-in-progress.2.patch, 7213-in-progress.patch
>
>
> Over on HBASE-6774, there is a discussion on separating out the edits for .META. regions
from the other regions' edits w.r.t where the edits are written. This jira is to track an
implementation of that.

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