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https://issues.apache.org/jira/browse/TRAFODION-2041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15321186#comment-15321186
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ASF GitHub Bot commented on TRAFODION-2041:
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GitHub user DaveBirdsall opened a pull request:
https://github.com/apache/incubator-trafodion/pull/532
[TRAFODION-2041] Turn off bucket cache in HBaseClient estimateRowCount
This solves the issue of UPDATE STATISTICS doing select count(*) on large
tables. Details are in the JIRA.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/DaveBirdsall/incubator-trafodion Trafodion2041
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-trafodion/pull/532.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #532
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commit 8b179aca0a4adbeaf721b2e29205f6c9790ade0f
Author: Dave Birdsall <[email protected]>
Date: 2016-06-08T18:44:02Z
[TRAFODION-2041] Turn off bucket cache in HBaseClient estimateRowCount
----
> UPDATE STATS uses select count(*) on large tables on HDP 2.3.4
> --------------------------------------------------------------
>
> Key: TRAFODION-2041
> URL: https://issues.apache.org/jira/browse/TRAFODION-2041
> Project: Apache Trafodion
> Issue Type: Bug
> Components: sql-cmp
> Affects Versions: 2.1-incubating
> Reporter: David Wayne Birdsall
> Assignee: David Wayne Birdsall
> Priority: Critical
> Fix For: 2.1-incubating
>
>
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