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https://issues.apache.org/jira/browse/HBASE-15765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Heng Chen updated HBASE-15765:
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Attachment: HBASE-15765.patch
Try this patch. :)
> RPC handlers should steal from other queues in the same or higher priority
> --------------------------------------------------------------------------
>
> Key: HBASE-15765
> URL: https://issues.apache.org/jira/browse/HBASE-15765
> Project: HBase
> Issue Type: Improvement
> Reporter: Enis Soztutar
> Attachments: HBASE-15765.patch
>
>
> With the simple rpc scheduler model by default, a request first falls in one
> type of queue (priority, general, replication) and it will get "sharded" in a
> queue within that priority level (for example there are 2 queues for the high
> priority level). The handlers can only take from their specific queues, and
> nothing else.
> Even if a request is waiting in a high priority queue, the handlers within
> the same priority level or a lower priority level will not see these requests
> (which is the root cause for HBASE-15613). We should be able to steal from
> other queues, without losing the prioritization and sharding benefits.
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