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From "Branimir Lambov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-9095) Compressed commit log should measure compressed space used
Date Fri, 05 Jun 2015 12:09:00 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-9095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Branimir Lambov updated CASSANDRA-9095:
---------------------------------------
    Attachment: 9095-commitlog-compressed-size.diff.txt

Rebased on current 2.2 and updated [branch|https://github.com/apache/cassandra/compare/trunk...blambov:9095-commitlog-compressed-size],
with results from [testall|http://cassci.datastax.com/view/Dev/view/blambov/job/blambov-9095-commitlog-compressed-size-testall/]
and [dtest|http://cassci.datastax.com/view/Dev/view/blambov/job/blambov-9095-commitlog-compressed-size-dtest/].
Diff attached.

> Compressed commit log should measure compressed space used
> ----------------------------------------------------------
>
>                 Key: CASSANDRA-9095
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9095
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Branimir Lambov
>            Assignee: Branimir Lambov
>            Priority: Minor
>         Attachments: 9095-commitlog-compressed-size.diff.txt
>
>
> The commit log compression option introduced in CASSANDRA-6809 does not change the way
space use is measure by the commitlog, meaning that it still measures the amount of space
taken by the log segments before compression.
> It should measure the space taken on disk which in this case is the compressed amount.



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