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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5626) Compactions simulator tool for proofing algorithms
Date Fri, 25 Jan 2013 05:53:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13562449#comment-13562449
] 

stack commented on HBASE-5626:
------------------------------

[~sershe] Sounds good (Could do jython and then you could play in both worlds).  We will need
something to run the scenarios; stripe, sigma, tiered, leveled (We have quite the menagerie
of compacting algos now...)
                
> Compactions simulator tool for proofing algorithms
> --------------------------------------------------
>
>                 Key: HBASE-5626
>                 URL: https://issues.apache.org/jira/browse/HBASE-5626
>             Project: HBase
>          Issue Type: Task
>            Reporter: stack
>            Priority: Minor
>              Labels: noob
>         Attachments: cf_compact.py
>
>
> A tool to run compaction simulations would be a nice to have.   We could use it to see
how well an algo ran under different circumstances loaded w/ different value types with different
rates of flushes and splits, etc. HBASE-2462 had one (see in patch).  Or we could try doing
it using something like this: http://en.wikipedia.org/wiki/Discrete_event_simulation

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