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https://issues.apache.org/jira/browse/HBASE-4482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13119649#comment-13119649
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Todd Lipcon commented on HBASE-4482:
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I was thinking about this a bit over the weekend. Though the current
composition of SingleSizeCaches into SlabCache is pretty, it's causing a lot of
these bugs regarding coordination between the two.
I'd like to consider a simplification here - what if we got rid of
SingleSizeCache, and manually kept the LRU lists per size? Basically, dial back
the concurrency a bit in favor of a simpler design, then if we see bottlenecks
or lock contention, we can address it.
> Race Condition Concerning Eviction in SlabCache
> -----------------------------------------------
>
> Key: HBASE-4482
> URL: https://issues.apache.org/jira/browse/HBASE-4482
> Project: HBase
> Issue Type: Sub-task
> Reporter: Li Pi
> Assignee: Li Pi
> Priority: Critical
> Fix For: 0.92.0
>
> Attachments: hbase-4482v1.txt, hbase-4482v2.txt
>
>
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