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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17527) Allow IntegrationTestBigLinkedList table to be in memory compacted
Date Wed, 25 Jan 2017 18:20:26 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15838290#comment-15838290
] 

Josh Elser commented on HBASE-17527:
------------------------------------

bq. since you ask (smile), yeah, IT is a Tool... it has the -D facility for setting java properties
(exploited by this hack)... It'd be cool if an interceptor could pick out changes for HTD/HCD
(we already have HBaseAbstractTool in place as a good home for this sort of malarky) and then
set the properties on IT table HTD/HCD post creation

Cool. Wasn't sure if you were suggesting something global (e.g. could also be picked up by
normal CLI tools -- ImportTsv, `hbase shell`) or if your suggestion was limited to the ITs
(and thus Tool is appropriate). You already answered my follow-on :)

bq. From above discussion, I interpret that such practice should not be continued in the future.

I would agree with ya.

bq.  Maybe add a new method in IntegrationTestBase which would be called at the end of table
creation by various IT classes ?

That introduces a bit of debt too. Everyone has to remember/know to use that method instead.

Would it be possible to wrap the {{HBaseAdmin}} returned by {{HBaseTestingUtility}} to transparently
modify the HTD/HCD on creation? Would need to dig a bit deeper into the usage...

> Allow IntegrationTestBigLinkedList table to be in memory compacted
> ------------------------------------------------------------------
>
>                 Key: HBASE-17527
>                 URL: https://issues.apache.org/jira/browse/HBASE-17527
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ted Yu
>         Attachments: 17527.v1.txt, 17527.v2.txt
>
>
> Currently IntegrationTestBigLinkedList table doesn't support specification of in memory
compaction scheme.
> This JIRA is to add support for specifying different in memory compaction policies.



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