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https://issues.apache.org/jira/browse/HBASE-12583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14239884#comment-14239884
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Hadoop QA commented on HBASE-12583:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12686037/HBASE-12583_addendum.patch
against master branch at commit 51ab8a05b99a13943343f0b55f2dae282a574c68.
ATTACHMENT ID: 12686037
{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 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:green}+1 core tests{color}. The patch passed unit tests in .
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/12022//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12022//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings:
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Findbugs warnings:
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Findbugs warnings:
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Checkstyle Errors:
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Console output:
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This message is automatically generated.
> Allow creating reference files even the split row not lies in the storefile
> range if required
> ---------------------------------------------------------------------------------------------
>
> Key: HBASE-12583
> URL: https://issues.apache.org/jira/browse/HBASE-12583
> Project: HBase
> Issue Type: Improvement
> Reporter: rajeshbabu
> Assignee: rajeshbabu
> Labels: Phoenix
> Fix For: 1.0.0, 2.0.0, 0.98.9
>
> Attachments: HBASE-12583.patch, HBASE-12583_98.patch,
> HBASE-12583_98_v2.patch, HBASE-12583_addendum.patch,
> HBASE-12583_branch1.patch, HBASE-12583_branch1_v2.patch,
> HBASE-12583_v2.patch, HBASE-12583_v3.patch
>
>
> Currently in HRegionFileSystem#splitStoreFile we are not creating reference
> files if the split row not lies in the storefile range that means one of the
> child region doesn't have any data.
> {code}
> // Check whether the split row lies in the range of the store file
> // If it is outside the range, return directly.
> if (top) {
> //check if larger than last key.
> KeyValue splitKey = KeyValueUtil.createFirstOnRow(splitRow);
> byte[] lastKey = f.createReader().getLastKey();
> // If lastKey is null means storefile is empty.
> if (lastKey == null) return null;
> if (f.getReader().getComparator().compareFlatKey(splitKey.getBuffer(),
> splitKey.getKeyOffset(), splitKey.getKeyLength(), lastKey, 0,
> lastKey.length) > 0) {
> return null;
> }
> } else {
> //check if smaller than first key
> KeyValue splitKey = KeyValueUtil.createLastOnRow(splitRow);
> byte[] firstKey = f.createReader().getFirstKey();
> // If firstKey is null means storefile is empty.
> if (firstKey == null) return null;
> if (f.getReader().getComparator().compareFlatKey(splitKey.getBuffer(),
> splitKey.getKeyOffset(), splitKey.getKeyLength(), firstKey, 0,
> firstKey.length) < 0) {
> return null;
> }
> }
> {code}
> In some cases when split row should be compared with part of rowkey(in
> composite rowkey) mainly for secondary index tables we need to create
> reference files even when split row not lies in the storefile range so that
> they can be rewritten to it's child regions by some custom half store file
> reader which compare the part of row key with split row.
> The check of comparing split row with storefile range and returning directly
> can be avoided by having special boolean attribute in table descriptor when
> it set to true. Or else we can have coprocessor hooks so that in the hooks we
> can create the references and bypass.
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