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https://issues.apache.org/jira/browse/HBASE-5469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13236084#comment-13236084
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Hadoop QA commented on HBASE-5469:
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-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12519504/D2409.2.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 12 new or modified tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
-1 findbugs. The patch appears to introduce 2 new Findbugs (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed unit tests in .
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/1264//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/1264//artifact/trunk/patchprocess/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/1264//console
This message is automatically generated.
> Add baseline compression efficiency to DataBlockEncodingTool
> ------------------------------------------------------------
>
> Key: HBASE-5469
> URL: https://issues.apache.org/jira/browse/HBASE-5469
> Project: HBase
> Issue Type: Improvement
> Reporter: Mikhail Bautin
> Assignee: Mikhail Bautin
> Priority: Minor
> Attachments: D2409.1.patch, D2409.2.patch
>
>
> DataBlockEncodingTool currently does not provide baseline compression
> efficiency, e.g. Hadoop compression codec applied to unencoded data. E.g. if
> we are using LZO to compress blocks, we would like to have the following
> columns in the report (possibly as percentages of raw data size).
> Baseline K+V in blockcache | Baseline K + V on disk (LZO compressed) | K
> + V DataBlockEncoded in block cache | K + V DataBlockEncoded +
> LZOCompressed (on disk)
> Background: we never store compressed blocks in cache, but we always store
> encoded data blocks in cache if data block encoding is enabled for the column
> family.
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