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https://issues.apache.org/jira/browse/HBASE-11876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14119131#comment-14119131
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Hadoop QA commented on HBASE-11876:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12666070/HBASE-11876.patch
against trunk revision .
ATTACHMENT ID: 12666070
{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 tests.
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 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 2.0.3) 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:green}+1 site{color}. The mvn site goal succeeds with this patch.
{color:red}-1 core tests{color}. The patch failed these unit tests:
org.apache.hadoop.hbase.regionserver.TestSplitTransactionOnCluster
org.apache.hadoop.hbase.client.TestMultiParallel
{color:red}-1 core zombie tests{color}. There are 1 zombie test(s):
at
org.apache.hadoop.hdfs.TestDFSClientRetries.testFailuresArePerOperation(TestDFSClientRetries.java:336)
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/10688//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10688//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10688//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10688//artifact/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10688//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10688//artifact/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10688//artifact/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10688//artifact/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10688//artifact/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10688//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/10688//console
This message is automatically generated.
> RegionScanner.nextRaw(...) should not update metrics
> ----------------------------------------------------
>
> Key: HBASE-11876
> URL: https://issues.apache.org/jira/browse/HBASE-11876
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.98.6
> Reporter: Lars Hofhansl
> Assignee: Andrew Purtell
> Fix For: 0.99.0, 2.0.0, 0.98.6
>
> Attachments: HBASE-11876-0.98.patch, HBASE-11876.patch,
> HBASE-11876.patch
>
>
> I added the RegionScanner.nextRaw(...) to allow "smart" client to avoid some
> of the default work that HBase is doing, such as {start|stop}RegionOperation
> and synchronized(scanner) for each row.
> Metrics should follow the same approach. Collecting them per row is expensive
> and a caller should have the option to collect those later or to avoid
> collecting them completely.
> We can also save some cycles in RSRcpServices.scan(...) if we updated the
> metric only once/batch instead of each row.
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