James Taylor created HBASE-6908:
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             Summary: Pluggable Call BlockingQueue for HBaseServer
                 Key: HBASE-6908
                 URL: https://issues.apache.org/jira/browse/HBASE-6908
             Project: HBase
          Issue Type: New Feature
          Components: IPC/RPC
            Reporter: James Taylor


Allow the BlockingQueue implementation class to be specified in the HBase 
config to enable different behavior than a FIFO queue. The use case we have is 
around fairness and starvation for big scans that are parallelized on the 
client. It's easy to fill up the HBase server Call BlockingQueue when 
processing a single parallelized scan, leadng other scans to time out. Instead, 
doing round robin processesing on a dequeue through a different BlockingQueue 
implementation will prevent this from occurring.

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