[ https://issues.apache.org/jira/browse/HDFS-15783?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Akira Ajisaka reassigned HDFS-15783: ------------------------------------ Assignee: Akira Ajisaka > Speed up BlockPlacementPolicyRackFaultTolerant#verifyBlockPlacement > ------------------------------------------------------------------- > > Key: HDFS-15783 > URL: https://issues.apache.org/jira/browse/HDFS-15783 > Project: Hadoop HDFS > Issue Type: Improvement > Components: block placement > Reporter: Akira Ajisaka > Assignee: Akira Ajisaka > Priority: Major > > {code:java} > Set<String> racks = new TreeSet<>(); > for (DatanodeInfo dn : locs) { > racks.add(dn.getNetworkLocation()); > } > return new BlockPlacementStatusDefault(racks.size(), numberOfReplicas, > clusterMap.getNumOfRacks());{code} > Here, HashMap should be used instead of TreeSet. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org