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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10079) Increments lost after flush
Date Wed, 04 Dec 2013 22:44:38 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13839431#comment-13839431

Hadoop QA commented on HBASE-10079:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 hadoop1.0{color}.  The patch compiles against the hadoop 1.0 profile.

    {color:green}+1 hadoop2.0{color}.  The patch compiles against the hadoop 2.0 profile.

    {color:red}-1 javadoc{color}.  The javadoc tool appears to have generated 1 warning messages.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 lineLengths{color}.  The patch does not introduce lines longer than 100

    {color:red}-1 site{color}.  The patch appears to cause mvn site goal to fail.

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/8057//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8057//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8057//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8057//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8057//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8057//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8057//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8057//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8057//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8057//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/8057//console

This message is automatically generated.

> Increments lost after flush 
> ----------------------------
>                 Key: HBASE-10079
>                 URL: https://issues.apache.org/jira/browse/HBASE-10079
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.96.1
>            Reporter: Jonathan Hsieh
>            Priority: Blocker
>             Fix For: 0.96.1
>         Attachments: 10079.v1.patch
> Testing 0.96.1rc1.
> With one process incrementing a row in a table, we increment single col.  We flush or
do kills/kill-9 and data is lost.  flush and kill are likely the same problem (kill would
flush), kill -9 may or may not have the same root cause.
> 5 nodes
> hadoop 2.1.0 (a pre cdh5b1 hdfs).
> hbase 0.96.1 rc1 
> Test: 250000 increments on a single row an single col with various number of client threads
(IncrementBlaster).  Verify we have a count of 250000 after the run (IncrementVerifier).
> Run 1: No fault injection.  5 runs.  count = 250000. on multiple runs.  Correctness verified.
 1638 inc/s throughput.
> Run 2: flushes table with incrementing row.  count = 246875 !=250000.  correctness failed.
 1517 inc/s throughput.  
> Run 3: kill of rs hosting incremented row.  count = 243750 != 250000. Correctness failed.
  1451 inc/s throughput.
> Run 4: one kill -9 of rs hosting incremented row.  246878.!= 250000.  Correctness failed.
1395 inc/s (including recovery)

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