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https://issues.apache.org/jira/browse/HBASE-11927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14545026#comment-14545026
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Hadoop QA commented on HBASE-11927:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12733061/HBASE-11927-v8.patch
against master branch at commit 9ba7337ac82d13b22a1b0c40edaba7873c0bd795.
ATTACHMENT ID: 12733061
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 12 new
or modified tests.
{color:green}+1 hadoop versions{color}. The patch compiles with all
supported hadoop versions (2.4.1 2.5.2 2.6.0)
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 protoc{color}. The applied patch does not increase the
total number of protoc compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 checkstyle{color}. The applied patch does not increase the
total number of checkstyle errors
{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:
{color:red}-1 core zombie tests{color}. There are 1 zombie test(s):
at
org.apache.activemq.transport.mqtt.MQTTTest.testPacketIdGeneratorNonCleanSession(MQTTTest.java:859)
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/14055//testReport/
Release Findbugs (version 2.0.3) warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/14055//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors:
https://builds.apache.org/job/PreCommit-HBASE-Build/14055//artifact/patchprocess/checkstyle-aggregate.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/14055//console
This message is automatically generated.
> Use Native Hadoop Library for HFile checksum (And flip default from CRC32 to
> CRC32C)
> ------------------------------------------------------------------------------------
>
> Key: HBASE-11927
> URL: https://issues.apache.org/jira/browse/HBASE-11927
> Project: HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: Apekshit Sharma
> Attachments: HBASE-11927-v1.patch, HBASE-11927-v2.patch,
> HBASE-11927-v4.patch, HBASE-11927-v5.patch, HBASE-11927-v6.patch,
> HBASE-11927-v7.patch, HBASE-11927-v8.patch, HBASE-11927.patch,
> after-compact-2%.svg, after-randomWrite1M-0.5%.svg, before-compact-22%.svg,
> before-randomWrite1M-5%.svg, c2021.crc2.svg, c2021.write.2.svg,
> c2021.zip.svg, crc32ct.svg
>
>
> Up in hadoop they have this change. Let me publish some graphs to show that
> it makes a difference (CRC is a massive amount of our CPU usage in my
> profiling of an upload because of compacting, flushing, etc.). We should
> also make use of native CRCings -- especially the 2.6 HDFS-6865 and ilk -- in
> hbase but that is another issue for now.
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