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Hudson commented on HBASE-15146: -------------------------------- SUCCESS: Integrated in HBase-1.2-IT #412 (See [https://builds.apache.org/job/HBase-1.2-IT/412/]) HBASE-15146 Don't block on Reader threads queueing to a scheduler queue (eclark: rev 51998b9eb5c97265c93a83047d897eb17c7a58ca) * hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RWQueueRpcExecutor.java * hbase-client/src/main/java/org/apache/hadoop/hbase/exceptions/ClientExceptionsUtil.java * hbase-client/src/test/java/org/apache/hadoop/hbase/exceptions/TestClientExceptionsUtil.java * hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcScheduler.java * hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestAsyncProcess.java * hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcServer.java * hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionManager.java * hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestHCM.java * hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncProcess.java * hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/FifoRpcScheduler.java * hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/SimpleRpcScheduler.java * hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/BalancedQueueRpcExecutor.java * hbase-client/src/main/java/org/apache/hadoop/hbase/CallQueueTooBigException.java * hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcExecutor.java > Don't block on Reader threads queueing to a scheduler queue > ----------------------------------------------------------- > > Key: HBASE-15146 > URL: https://issues.apache.org/jira/browse/HBASE-15146 > Project: HBase > Issue Type: Bug > Affects Versions: 1.2.0 > Reporter: Elliott Clark > Assignee: Elliott Clark > Priority: Blocker > Fix For: 2.0.0, 1.2.0, 1.3.0 > > Attachments: HBASE-15146-v7.patch, HBASE-15146-v8.patch, > HBASE-15146-v8.patch, HBASE-15146.0.patch, HBASE-15146.1.patch, > HBASE-15146.2.patch, HBASE-15146.3.patch, HBASE-15146.4.patch, > HBASE-15146.5.patch, HBASE-15146.6.patch > > > Blocking on the epoll thread is awful. The new rpc scheduler can have lots of > different queues. Those queues have different capacity limits. Currently the > dispatch method can block trying to add the the blocking queue in any of the > schedulers. > This causes readers to block, tcp acks are delayed, and everything slows down. -- This message was sent by Atlassian JIRA (v6.3.4#6332)