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https://issues.apache.org/jira/browse/HBASE-17097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-17097:
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Summary: [offheap] Documentation for max off heap configuration (was:
Documentation for max off heap configuration)
> [offheap] Documentation for max off heap configuration
> ------------------------------------------------------
>
> Key: HBASE-17097
> URL: https://issues.apache.org/jira/browse/HBASE-17097
> Project: HBase
> Issue Type: Sub-task
> Components: documentation, Offheaping
> Affects Versions: 2.0.0
> Reporter: Anoop Sam John
> Priority: Major
>
> {quote}
> \# Uncomment below if you intend to use off heap cache. For example, to
> allocate 8G of
> \# offheap, set the value to "8G".
> \# export HBASE_OFFHEAPSIZE=1G
> {quote}
> This is what we have in hbase-env.sh now. We need more notes around this and
> some suggestion. May be more details in book also. This depends on whether we
> want L2 off heap BC as the default data cache in 2.0. (I would like to and
> will open a jira soon) Also if users use off heap MSLAB pool, then that also
> to be added up..
> As of now we will use a ByteBufferPool which pool direct BBs and this is ON
> by default. The max size, this pool can keep is 2 MB * 2 * #handlers.
> Will add more details as we turn ON other features.
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