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https://issues.apache.org/jira/browse/HBASE-2945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Hofhansl resolved HBASE-2945.
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Resolution: Duplicate
This is a duplication of HBASE-5001
> stop using string for block name in LRU block cache/hfile
> ---------------------------------------------------------
>
> Key: HBASE-2945
> URL: https://issues.apache.org/jira/browse/HBASE-2945
> Project: HBase
> Issue Type: Bug
> Components: performance
> Affects Versions: 0.89.20100621
> Reporter: ryan rawson
>
> all my profiling runs indicate there is a large number of string/char[]
> objects and string manipulation is taking a long time in profiling runs.
> These come from the LRU block cache, block id. Also we should support the
> eviction of blocks belonging to particular hfiles, and the current code
> doesn't help with that right now.
> Let's do something better. Whatever that might be.
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