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https://issues.apache.org/jira/browse/HBASE-23067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16937380#comment-16937380
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chenxu commented on HBASE-23067:
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bq. I'd think the refcount entries would be < bucket cache entries?
I think it's not necessarily, because each ByteBuff allocate through
ByteBuffAllocator will also have a RefCnt.
> Use Netty’s Recycler to manage RefCnt and BucketEntry creation
> --------------------------------------------------------------
>
> Key: HBASE-23067
> URL: https://issues.apache.org/jira/browse/HBASE-23067
> Project: HBase
> Issue Type: Improvement
> Reporter: chenxu
> Assignee: chenxu
> Priority: Major
> Attachments: heap_dump.png
>
>
> After dump the heap, found that the number of RefCnt & BucketEntry object
> instances is so large now, How about use Netty’s Recycler to manage them,
> this may improve the YGC.
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