[ https://issues.apache.org/jira/browse/HDFS-9754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jing Zhao updated HDFS-9754: ---------------------------- Resolution: Fixed Fix Version/s: 2.9.0 Status: Resolved (was: Patch Available) I've committed this to trunk and branch-2. Thanks for the review, [~szetszwo] and [~vinayrpet]! > Avoid unnecessary getBlockCollection calls in BlockManager > ---------------------------------------------------------- > > Key: HDFS-9754 > URL: https://issues.apache.org/jira/browse/HDFS-9754 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: namenode > Reporter: Jing Zhao > Assignee: Jing Zhao > Fix For: 2.9.0 > > Attachments: HDFS-9754.000.patch, HDFS-9754.001.patch, > HDFS-9754.002.patch > > > Currently BlockManager calls {{Namesystem#getBlockCollection}} in order to: > 1. check if the block has already been abandoned > 2. identify the storage policy of the block > 3. meta save > For #1 we can use BlockInfo's internal state instead of checking if the > corresponding file still exists. -- This message was sent by Atlassian JIRA (v6.3.4#6332)