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https://issues.apache.org/jira/browse/CASSANDRA-5727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13708658#comment-13708658
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Robert Coli commented on CASSANDRA-5727:
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Anecdotally, many people on @cassandra-user/#cassandra have been bitten by the
current 5mb size. The types of negative experiences they have seem to relate to
too many SSTables for "small" or "medium" data sizes. Even a relatively naive
doubling of this default to 10mb seems likely to be a win for most of these
users.
> Evaluate default LCS sstable size
> ---------------------------------
>
> Key: CASSANDRA-5727
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5727
> Project: Cassandra
> Issue Type: Task
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Daniel Meyer
>
> What we're not sure about is the effect on compaction efficiency --
> larger files mean that each level contains more data, so reads will
> have to touch less sstables, but we're also compacting less unchanged
> data when we merge forward.
> So the question is, how big can we make the sstables to get the benefits of
> the
> first effect, before the second effect starts to dominate?
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