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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-1055) Configurable maximum size in which to perform merging minor compactions
Date Fri, 08 Feb 2013 20:49:12 GMT
Josh Elser created ACCUMULO-1055:
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             Summary: Configurable maximum size in which to perform merging minor compactions
                 Key: ACCUMULO-1055
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1055
             Project: Accumulo
          Issue Type: Improvement
          Components: tserver
            Reporter: Josh Elser
            Assignee: Keith Turner


When performing a merging minor compaction, the smallest file for a tablet is chosen, and
then data to be minor compacted is merged with said small file.

When the smallest file isn't actually small, this can cause extremely large/long minor compactions.
I don't want to completely "disable" merging minor compactions, for as I continue to run ingest,
I'd like to take advantage of merging the small files together via minc.

An upper bound on the file size to merge seems the most straightforward means to control this.

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