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https://issues.apache.org/jira/browse/HBASE-407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12567179#action_12567179
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Bryan Duxbury commented on HBASE-407:
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Talking with Stack, instead of an LRU mechanism, we could use Java soft
references instead in the existing map structure. This would be a really easy
way to make the cached region locations disappear when memory was short.
> Client should cache region locations in an LRU structure
> --------------------------------------------------------
>
> Key: HBASE-407
> URL: https://issues.apache.org/jira/browse/HBASE-407
> Project: Hadoop HBase
> Issue Type: Improvement
> Components: client
> Reporter: Bryan Duxbury
> Priority: Minor
>
> Instead of keeping the region locations cached client side in a TreeMap, we
> should use an LRU mechanism to help manage memory more dynamically.
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