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https://issues.apache.org/jira/browse/CASSANDRA-10256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14876845#comment-14876845
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Chris Gerlt commented on CASSANDRA-10256:
-----------------------------------------


Since the code has: 

MAX_MUTATION_SIZE = DatabaseDescriptor.getCommitLogSegmentSize()


The MAX_MUTATION_SIZE equals the commitlog segment size 

Note: commitlog_segment_size_in_mb = 32 (by default).  Also, 
commitlog_segment_size_in_mb*1024*1024 is the commit log segment size in bytes

(Hope this helps and if anything is wrong please correct)

> document commitlog segment size's relationship to max write size
> ----------------------------------------------------------------
>
>                 Key: CASSANDRA-10256
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10256
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Config
>            Reporter: Chris Burroughs
>            Priority: Trivial
>              Labels: lhf
>
> This is in the code: 
> https://github.com/apache/cassandra/blob/cassandra-2.1/src/java/org/apache/cassandra/db/commitlog/CommitLog.java#L57
> But not part of the description in cassandra.yaml



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