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https://issues.apache.org/jira/browse/HBASE-7325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13728249#comment-13728249
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Hadoop QA commented on HBASE-7325:
----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12594968/HBASE-7325.v2.patch
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 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 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:green}+1 javadoc{color}. The javadoc tool did not generate any
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:green}+1 site{color}. The mvn site goal succeeds with this patch.
{color:green}+1 core tests{color}. The patch passed unit tests in .
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/6578//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/6578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/6578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/6578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/6578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/6578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/6578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/6578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/6578//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/6578//console
This message is automatically generated.
> Replication reacts slowly on a lightly-loaded cluster
> -----------------------------------------------------
>
> Key: HBASE-7325
> URL: https://issues.apache.org/jira/browse/HBASE-7325
> Project: HBase
> Issue Type: Bug
> Components: Replication
> Reporter: Gabriel Reid
> Priority: Minor
> Attachments: HBASE-7325.patch, HBASE-7325.v2.patch
>
>
> ReplicationSource uses a backing-off algorithm to sleep for an increasing
> duration when an error is encountered in the replication run loop. However,
> this backing-off is also performed when there is nothing found to replicate
> in the HLog.
> Assuming default settings (1 second base retry sleep time, and maximum
> multiplier of 10), this means that replication takes up to 10 seconds to
> occur when there is a break of about 55 seconds without anything being
> written. As there is no error condition, and there is apparently no
> substantial load on the regionserver in this situation, it would probably
> make more sense to not back off in non-error situations.
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