[ https://issues.apache.org/jira/browse/HDFS-13223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wangda Tan updated HDFS-13223: ------------------------------ Fix Version/s: 3.1.0 > Reduce DiffListBySkipList memory usage > -------------------------------------- > > Key: HDFS-13223 > URL: https://issues.apache.org/jira/browse/HDFS-13223 > Project: Hadoop HDFS > Issue Type: Improvement > Components: snapshots > Reporter: Tsz Wo Nicholas Sze > Assignee: Shashikant Banerjee > Priority: Major > Fix For: 3.1.0, 3.2.0 > > Attachments: HDFS-13223.001.patch, HDFS-13223.002.patch, > HDFS-13223.003.patch, HDFS-13223.004.patch, HDFS-13223.004_commit.patch > > > There are several ways to reduce memory footprint of DiffListBySkipList. > - Move maxSkipLevels and skipInterval to DirectoryDiffListFactory. > - Use an array for skipDiffList instead of List. > - Do not store the level 0 element in skipDiffList. > - Do not create new ChildrenDiff for the same value. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org