Update CapacityScheduler documentation to reflect latest changes

• Key: HADOOP-5736
• Type: Bug
• Status: Resolved
• Resolution: Fixed
• Priority: Major
• Assignee: Sreekanth Ramakrishnan
• Reporter: Sreekanth Ramakrishnan
• Fix Version/s: 0.20.1

Description

Update capacity scheduler documentation to reflect the latest changes.

Comments

[Sreekanth Ramakrishnan]

This issue would also address documentation changes required for HADOOP-5726

[Sreekanth Ramakrishnan]

The patch attached would incorporate the changes necessary for the HADOOP-4856 and HADOOP-4931

[Sreekanth Ramakrishnan]

Documenting current feature set of Capacity Scheduler and memory based scheduling.

[Sreekanth Ramakrishnan]

Attaching patch for Branch 20

[Hemanth Yamijala]

Results of test-patch:

[exec] -1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] -1 tests included. The patch doesn't appear to include any new or modified tests.
[exec] Please justify why no tests are needed for this patch.
[exec]
[exec] +1 javadoc. The javadoc tool did not generate any warning messages.
[exec]
[exec] +1 javac. The applied patch does not increase the total number of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs warnings.
[exec]
[exec] +1 Eclipse classpath. The patch retains Eclipse classpath integrity.
[exec]
[exec] -1 release audit. The applied patch generated 474 release audit warnings (more than the trunk's current 473 warnings).

There are no tests because this is a documentation patch.
The release audit warning seems to be in the generated documentation files. Hence, I think it can be ignored.

[Hemanth Yamijala]

I committed this to trunk and branch 0.20. Thanks, Sreekanth !

[Hudson]

Integrated in Hadoop-trunk #827 (See http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/827/)
. Update the capacity scheduler documentation for features like memory based scheduling, job initialization and removal of pre-emption. Contributed by Sreekanth Ramakrishnan.