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From "Siddharth Wagle (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-11290) Avg Load for HBase is 261 regions per RS for a fresh one node cluster
Date Fri, 22 May 2015 22:23:17 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-11290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14556924#comment-14556924
] 

Siddharth Wagle commented on AMBARI-11290:
------------------------------------------

In that case, should we bump up the multiplier in (5 * # of RS) ? Threshold for Warning is
150 and Critical is currently set to 250, so for 1 node HBase it starts up with Critical.

> Avg Load for HBase is 261 regions per RS for a fresh one node cluster
> ---------------------------------------------------------------------
>
>                 Key: AMBARI-11290
>                 URL: https://issues.apache.org/jira/browse/AMBARI-11290
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-server
>    Affects Versions: 2.1.0
>            Reporter: Siddharth Wagle
>            Assignee: Siddharth Wagle
>             Fix For: 2.1.0
>
>
> This happens because newer version of Phoenix sets salBuckets for sequence table to 256
creating 256 regions for salting by default.
> We can add the above config to Ambari's computed values – anything smaller than 10
RS's should use a value of $numRs * 5. Something like this. It could be a hassle for folks
who start small and add nodes; they'll need to split the table.



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