TaskTracker.localizeJob calls getSystemDir for each task rather than caching it

• Key: HADOOP-3848
• Type: Bug
• Status: Closed
• Resolution: Fixed
• Priority: Major
• Assignee: Arun C Murthy
• Reporter: Arun C Murthy
• Affects Version/s: 0.18.0
• Fix Version/s: 0.19.0

Description

We should call it once and cache that value, I see 100k+ RPCs for large jobs...

Comments

[Hadoop QA]

-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12387129/HADOOP-3848_0_20080729.patch
against trunk revision 680823.

+1 @author. The patch does not contain any @author tags.

-1 tests included. The patch doesn't appear to include any new or modified tests.
Please justify why no tests are needed for this patch.

+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 does not introduce any new Findbugs warnings.

+1 release audit. The applied patch does not increase the total number of release audit warnings.

+1 core tests. The patch passed core unit tests.

+1 contrib tests. The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2975/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2975/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2975/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2975/console

This message is automatically generated.

[Amareshwari Sriramadasu]

+1
Patch looks good.

[Owen O'Malley]

I just committed this. Thanks, Arun!

[Hudson]

Integrated in Hadoop-trunk #581 (See http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/581/)