[ https://issues.apache.org/jira/browse/HADOOP-6949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Konstantin Shvachko reopened HADOOP-6949: ----------------------------------------- This seems to have higher impact on performance than previously reported. I see many VersionProtocol methods use arrays as their input or output parameters, which can substantially benefit from this optimization. See discussion started in HDFS-1583. > Reduces RPC packet size for primitive arrays, especially long[], which is > used at block reporting > ------------------------------------------------------------------------------------------------- > > Key: HADOOP-6949 > URL: https://issues.apache.org/jira/browse/HADOOP-6949 > Project: Hadoop Common > Issue Type: Improvement > Components: io > Reporter: Navis > Priority: Trivial > Attachments: ObjectWritable.diff > > Original Estimate: 0.17h > Remaining Estimate: 0.17h > > Current implementation of oah.io.ObjectWritable marshals primitive array > types as general object array ; array type string + array length + (element > type string + value)*n > It would not be needed to specify each element types for primitive arrays. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.