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https://issues.apache.org/jira/browse/HBASE-11316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14028915#comment-14028915
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Hadoop QA commented on HBASE-11316:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12650004/HBASE-11316-2.patch
against trunk revision .
ATTACHMENT ID: 12650004
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+0 tests included{color}. The patch appears to be a
documentation patch that doesn't require tests.
{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 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 lineLengths{color}. The patch introduces the following lines
longer than 100:
+ which resides within a Store. The number of StoreFiles
increases over time. <firstterm>Compaction</firstterm> is an operation which
reduces the number of
+ <systemitem>StoreFile</systemitem>. Minor compactions do not drop
(filter out) deletes or expired
+ versions, because of potential side effects. See <xref
linkend="compaction.and.deletes" /> and <xref
+ is a minor or major compaction) is called the
<firstterm>compaction policy</firstterm>.</para>
+
<filename>hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/ExploringCompactionPolicy.java</filename>.
+ <entry><para>The maximum number of files which will be
selected for a single minor
+ <entry><para>There are two different thread pools for
compactions, one for large
+ major compactions. This approach alleviates some of the
challenges of larger regions.</para>
+ <para>Stripe compaction is fully compatible with <xref
linkend="compaction" /> and works in
+ conjunction with either the ExploringCompactionPolicy or
RatioBasedCompactionPolicy. It can be enabled for
{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):
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/9753//testReport/
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Console output:
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This message is automatically generated.
> Expand info about compactions beyond HBASE-11120
> ------------------------------------------------
>
> Key: HBASE-11316
> URL: https://issues.apache.org/jira/browse/HBASE-11316
> Project: HBase
> Issue Type: Bug
> Components: Compaction, documentation
> Reporter: Misty Stanley-Jones
> Assignee: Misty Stanley-Jones
> Attachments: HBASE-11316-1.patch, HBASE-11316-2.patch,
> HBASE-11316.patch
>
>
> Round 2 - expand info about the algorithms, talk about stripe compaction, and
> talk more about configuration. Hopefully find some rules of thumb.
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