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Enis Soztutar commented on HBASE-15202: --------------------------------------- This can also go to branch-1 I think. > Reduce garbage while setting response > ------------------------------------- > > Key: HBASE-15202 > URL: https://issues.apache.org/jira/browse/HBASE-15202 > Project: HBase > Issue Type: Sub-task > Components: regionserver > Reporter: ramkrishna.s.vasudevan > Assignee: ramkrishna.s.vasudevan > Priority: Minor > Fix For: 2.0.0 > > Attachments: HBASE-15202.patch, HBASE-15202_1.patch, > HBASE-15202_2.patch, HBASE-15202_3.patch > > > Probably this can move under HBASE-15177. During RpcServer#setResponse we do > IPCUtil.getDelimitedMessageAsByteBuffer for the header and result. This > internally creates a byte[], CodedOutputStream and a BB. Then the totalSize > is also wrapped in a BB. > Finally all these BB are passed to BufferChain along with the Cellblock. > This JIRA is to reduce the number of objects that we create here and allow > one BB from this header, result and total Size along with one > CodedOutputStream and pass this BB along with the Cellblocks to the > Bufferchain. From the JMC tool can observe around 2% lesser object allocation > arising out of these objects. -- This message was sent by Atlassian JIRA (v6.3.4#6332)