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https://issues.apache.org/jira/browse/HBASE-1011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12870929#action_12870929
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ryan rawson commented on HBASE-1011:
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Hi,
This issue is invalid and has been closed. The functionality has been more or
less effectively replaced by effective block caching in 0.20+.
> Keep data in Memcache until specified TTL or memory pressure
> ------------------------------------------------------------
>
> Key: HBASE-1011
> URL: https://issues.apache.org/jira/browse/HBASE-1011
> Project: HBase
> Issue Type: New Feature
> Reporter: Jonathan Gray
>
> In thinking about ways to improve random-read access, a very typical access
> pattern for web sites is to primarily be retrieving from new records but
> having a much larger total dataset in a given table.
> If you could specify a Memcache flush TTL, you could keep "past 24 hours" in
> memory and this would give you a sliding window updated on memcache flushes.
> Must also adapt to regionserver memory pressure.
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