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https://issues.apache.org/jira/browse/CASSANDRA-3295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13120204#comment-13120204
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Radim Kolar commented on CASSANDRA-3295:
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actually i run cassandra for development inside 512MB virtual machine without
crashes, but you just cant write too fast or too much there. writing typical
development data set with about 20 records is fine.
> reduce default heap size
> ------------------------
>
> Key: CASSANDRA-3295
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3295
> Project: Cassandra
> Issue Type: Improvement
> Affects Versions: 1.0.0
> Reporter: Jonathan Ellis
> Assignee: satish babu krishnamoorthy
> Priority: Minor
> Fix For: 1.0.0
>
> Attachments: 3295.patch
>
>
> With off-heap caching now the default and with auto-flushed memtables
> demonstrated to do a good job with smaller heaps, I think it's time to reduce
> heap sizes to decrease GC pause times.
> How does this sound?
> - half the ram, up to 512MB, or
> - 1/4 the ram, up to 4 GB
> i.e.:
> max(min(1/2 ram, 512MB), min(1/4 ram, 4GB))
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