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From "Sid Wagle" <swa...@hortonworks.com>
Subject Re: Review Request 38196: Optimize precision table Region split policy for AMS
Date Wed, 09 Sep 2015 19:56:52 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/38196/
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(Updated Sept. 9, 2015, 7:56 p.m.)


Review request for Ambari, Alejandro Fernandez, Dmytro Sen, Mahadev Konar, Myroslav Papirkovskyy,
Sumit Mohanty, and Srimanth Gunturi.


Bugs: AMBARI-13039
    https://issues.apache.org/jira/browse/AMBARI-13039


Repository: ambari


Description
-------

- In light of AMBARI-12983, performance would be seen if the precision table can fully utilize
the allocated memstore heap.
- With the single table getting most of the high volume reads and all of the high volume writes
it is important to define a policy for splitting the Region in order to optimize performance
of the scans.


Diffs
-----

  ambari-metrics/ambari-metrics-timelineservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/metrics/timeline/PhoenixHBaseAccessor.java
1bd20a3 
  ambari-metrics/ambari-metrics-timelineservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/metrics/timeline/TimelineMetricConfiguration.java
d70d77d 
  ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/configuration/ams-site.xml
fa30e19 
  ambari-server/src/main/resources/stacks/HDP/2.0.6/services/AMBARI_METRICS/service-metrics/AMBARI_METRICS.txt
PRE-CREATION 
  ambari-server/src/main/resources/stacks/HDP/2.0.6/services/AMBARI_METRICS/service-metrics/FLUME.txt
PRE-CREATION 
  ambari-server/src/main/resources/stacks/HDP/2.0.6/services/AMBARI_METRICS/service-metrics/HBASE.txt
PRE-CREATION 
  ambari-server/src/main/resources/stacks/HDP/2.0.6/services/AMBARI_METRICS/service-metrics/HDFS.txt
PRE-CREATION 
  ambari-server/src/main/resources/stacks/HDP/2.0.6/services/AMBARI_METRICS/service-metrics/HOST.txt
PRE-CREATION 
  ambari-server/src/main/resources/stacks/HDP/2.0.6/services/AMBARI_METRICS/service-metrics/KAFKA.txt
PRE-CREATION 
  ambari-server/src/main/resources/stacks/HDP/2.0.6/services/AMBARI_METRICS/service-metrics/STORM.txt
PRE-CREATION 
  ambari-server/src/main/resources/stacks/HDP/2.0.6/services/AMBARI_METRICS/service-metrics/YARN.txt
PRE-CREATION 
  ambari-server/src/main/resources/stacks/HDP/2.0.6/services/AMBARI_METRICS/split_points.py
PRE-CREATION 

Diff: https://reviews.apache.org/r/38196/diff/


Testing (updated)
-------

Unit test pass.
Verfied region splits occur as expected.


Thanks,

Sid Wagle


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