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https://issues.apache.org/jira/browse/CASSANDRA-6794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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C. Scott Andreas updated CASSANDRA-6794:
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Component/s: Core
> Optimise slab allocator to enable higher number of column families
> ------------------------------------------------------------------
>
> Key: CASSANDRA-6794
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6794
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Jeremy Hanna
> Priority: Minor
>
> Currently the slab allocator allocates 1MB per column family. This has been
> very beneficial for gc efficiency. However, it makes it more difficult to
> have large numbers of column families.
> It would be preferable to have a more intelligent way to allocate slabs so
> that there is more flexibility between slab allocator and non-slab allocator
> behaviour.
> A simple first step is to ramp up size of slabs from small (say 8KB) when
> empty, to 1MB after a few slabs.
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