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binlijin commented on HBASE-15756: ---------------------------------- I add metrics to record how many responses handled by Handlers and Responder. When share connections: "numResponsesWriteByResponder" : 79995359, "numResponsesWriteByHandler" : 578055, When not share connections: "numResponsesWriteByResponder" : 88855, "numResponsesWriteByHandler" : 137469140, So when share connections, most of the response write to client by Responder. > Pluggable RpcServer > ------------------- > > Key: HBASE-15756 > URL: https://issues.apache.org/jira/browse/HBASE-15756 > Project: HBase > Issue Type: Improvement > Components: Performance, rpc > Reporter: binlijin > Assignee: binlijin > Priority: Critical > Fix For: 2.0.0 > > Attachments: Cluster_total_QPS.png, MultiResponder.branch-1.patch, > MultiResponder.master.patch, Netty4RpcServer_forperf.patch, > NettyRpcServer.patch, NettyRpcServer_forperf.patch, > PooledByteBufAllocator.patch, PooledByteBufAllocator2.patch, gc.png, > gets.png, gets.png, idle.png, patched.vs.patched_and_cached.vs.no_patch.png, > queue.png > > > Current we use a simple RpcServer, and can not configure and use other > implementation.This issue is to make the RpcServer pluggable, so we can make > other implementation for example netty rpc server. Patch will upload laterly -- This message was sent by Atlassian JIRA (v6.3.4#6332)