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https://issues.apache.org/jira/browse/HBASE-13827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14572048#comment-14572048
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Hadoop QA commented on HBASE-13827:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12737428/HBASE-13827.patch
against master branch at commit e8e5a9f6398f5a99f1d89be359212a7a4f1d7b05.
ATTACHMENT ID: 12737428
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 3 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:
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/14274//testReport/
Release Findbugs (version 2.0.3) warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/14274//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors:
https://builds.apache.org/job/PreCommit-HBASE-Build/14274//artifact/patchprocess/checkstyle-aggregate.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/14274//console
This message is automatically generated.
> Delayed scanner close in KeyValueHeap and StoreScanner
> ------------------------------------------------------
>
> Key: HBASE-13827
> URL: https://issues.apache.org/jira/browse/HBASE-13827
> Project: HBase
> Issue Type: Sub-task
> Components: regionserver, Scanners
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Fix For: 2.0.0
>
> Attachments: HBASE-13827.patch, HBASE-13827.patch
>
>
> This is to support the work in HBASE-12295. We have to return the blocks when
> the close() happens on the HFileScanner. Right now close is not at all
> there. Will add. The StoreFileScanner will call it on its close().
> In KVHeap when we see one of the child scanner runs out of cells, we will
> remove them from the PriorityQueue as well as close it. Also the same kind of
> stuff in StoreScanner too. But when we want to do the return block in close()
> this kind of early close is not correct. Still there might be cells created
> out of these cached blocks.
> This Jira aims at changing these container scanners not to do early close.
> When it seems a child scanner no longer required, it will avoid using it
> completely but just wont call close(). Instead it will be added to another
> list for a delayed close and that will be closed when the container scanner
> close() happens.
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