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https://issues.apache.org/jira/browse/TAJO-1809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14727006#comment-14727006
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Tajo QA commented on TAJO-1809:
-------------------------------
{color:red}*-1 overall.*{color} Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12753713/TAJO-1809_2.patch
against master revision release-0.9.0-rc0-434-g2c9305a.
{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 test files.
{color:green}+1 javac.{color} The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc.{color} The applied patch does not increase the
total number of javadoc warnings.
{color:green}+1 checkstyle.{color} The patch generated 0 code style errors.
{color:red}-1 findbugs.{color} The patch appears to introduce 28 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 core tests.{color} The patch passed unit tests in
tajo-common tajo-core tajo-core-tests tajo-plan.
Test results:
https://builds.apache.org/job/PreCommit-TAJO-Build/836//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-TAJO-Build/836//artifact/incubator-tajo/patchprocess/newPatchFindbugsWarningstajo-core.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-TAJO-Build/836//artifact/incubator-tajo/patchprocess/newPatchFindbugsWarningstajo-plan.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-TAJO-Build/836//artifact/incubator-tajo/patchprocess/newPatchFindbugsWarningstajo-common.html
Console output: https://builds.apache.org/job/PreCommit-TAJO-Build/836//console
This message is automatically generated.
> Change default value of several configurations
> ----------------------------------------------
>
> Key: TAJO-1809
> URL: https://issues.apache.org/jira/browse/TAJO-1809
> Project: Tajo
> Issue Type: Task
> Components: conf and scripts
> Reporter: Jihoon Son
> Assignee: Jihoon Son
> Fix For: 0.11.0
>
> Attachments: TAJO-1809.patch, TAJO-1809_2.patch
>
>
> Tajo has many configurations. For the sake of user convenience, they all have
> some default value. Most of default values make sense, but some are not. Here
> is my idea.
> * Tajo can choose hash-based algorithm and disk-based algorithm according to
> the remaining resource and query workload. Here, users can give a hint using
> session variables whose name is HASH_*_SIZE_LIMIT. Their current default
> value is 256 MB, but it's too large thereby incurring GC so often, and even
> OOM sometimes.
> * Query cache should be disabled by default. It will not be commonly used.
> * Configurations for broadcast join should accept numbers in MB.
> * Some configurations allow different unit in tajo-site.xml and session
> variable. This must be consistent.
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