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https://issues.apache.org/jira/browse/HBASE-11331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14106221#comment-14106221
]
Hadoop QA commented on HBASE-11331:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12663549/HBASE-11331.05.patch
against trunk revision .
ATTACHMENT ID: 12663549
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 44 new
or modified tests.
{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:red}-1 javadoc{color}. The javadoc tool appears to have generated 7
warning messages.
{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:red}-1 lineLengths{color}. The patch introduces the following lines
longer than 100:
+ LOG.trace("freed " + StringUtils.byteDesc(bytesFreed) + " from
single and multi buckets");
+ LOG.trace("freed " + StringUtils.byteDesc(bytesFreed) + " total
from all three buckets ");
{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 2 zombie test(s):
at
org.apache.hadoop.hbase.mapreduce.TestImportTsv.testMROnTable(TestImportTsv.java:113)
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/10521//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10521//artifact/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10521//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10521//artifact/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10521//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10521//artifact/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10521//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10521//artifact/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10521//artifact/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/10521//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/10521//console
This message is automatically generated.
> [blockcache] lazy block decompression
> -------------------------------------
>
> Key: HBASE-11331
> URL: https://issues.apache.org/jira/browse/HBASE-11331
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Nick Dimiduk
> Assignee: Nick Dimiduk
> Attachments: HBASE-11331.00.patch, HBASE-11331.01.patch,
> HBASE-11331.02.patch, HBASE-11331.03.patch, HBASE-11331.04.patch,
> HBASE-11331.05.patch, HBASE-11331LazyBlockDecompressperfcompare.pdf,
> lazy-decompress.02.0.pdf, lazy-decompress.02.1.json,
> lazy-decompress.02.1.pdf, v03-20g-045g-false.pdf, v03-20g-045g-true-16h.pdf,
> v03-20g-045g-true.pdf
>
>
> Maintaining data in its compressed form in the block cache will greatly
> increase our effective blockcache size and should show a meaning improvement
> in cache hit rates in well designed applications. The idea here is to lazily
> decompress/decrypt blocks when they're consumed, rather than as soon as
> they're pulled off of disk.
> This is related to but less invasive than HBASE-8894.
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