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From "Dmytro Sen" <>
Subject Re: Review Request 38405: Minor optimizations for AMS memory settings
Date Thu, 17 Sep 2015 16:19:34 GMT

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(Updated Сен. 17, 2015, 4:19 п.п.)

Review request for Ambari, Sid Wagle and Vitalyi Brodetskyi.


Added more unittests

Bugs: AMBARI-13105

Repository: ambari


Desired changes:
HBase Xmn size was not adjusted
We could round off the integers to more reasonable size in MB, like 2048 vs 1925 (Not urgent)
Warning message suggested allocating more memory to Xmx but Xmn adjustments are not suggested.
Lets decide on maybe taking these out and rely on a ratio. (The original settings were recommendation
from HBase team, lets adjust these based on our testing)
The "m" / "g" etc, for heap size parameter is inconsistent (meaning sometime present sometimes
not), not sure if this is UI or BE problem
The suggestion that tmp dir should not be on root partition is fine but it should also mention,
do not put it on same partition as hbase.rootdir, lets take out the fact that tmp.dir would
be cleaned up.

Diffs (updated)

  ambari-server/src/main/resources/stacks/HDP/2.0.6/services/ 4d1ab23 
  ambari-server/src/test/python/stacks/2.0.6/common/ 8b3bee2 
  ambari-server/src/test/python/stacks/2.2/common/ 4c29dd8 



Total run:778
Total errors:0
Total failures:0


Dmytro Sen

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