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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-9829) make the compaction logging less confusing
Date Sat, 09 Nov 2013 02:56:18 GMT

     [ https://issues.apache.org/jira/browse/HBASE-9829?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sergey Shelukhin updated HBASE-9829:
------------------------------------

    Attachment: HBASE-9829.patch

change compaction logging to log "all files" unless it was explicitly called major by system.
Interestingly, we actually don't log "major" when we just have all files, except after split.
If people ask again in user alias we'd have to figure out exactly where that came from. Maybe
it was different on previous releases

> make the compaction logging less confusing
> ------------------------------------------
>
>                 Key: HBASE-9829
>                 URL: https://issues.apache.org/jira/browse/HBASE-9829
>             Project: HBase
>          Issue Type: Improvement
>          Components: Compaction
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>            Priority: Minor
>         Attachments: HBASE-9829.patch
>
>
> 1) One of the most popular question from HBase users has got to be "I have scheduled
major compactions to run once per week, why are there so many".
> We need to somehow tell the user, wherever we log that there is a "major" compaction,
whether it's a major compaction because that's what was in the request (from regular major
compaction or user request), or was it just promoted because it took all files. Esp. the latter
should be clear.
> 2) small vs large compaction threads and minor vs major compactions is confusing. Maybe
the threads can be named short and long compactions.
> We



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