[ https://issues.apache.org/jira/browse/HDFS-1676?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tsz Wo Nicholas Sze resolved HDFS-1676. --------------------------------------- Resolution: Not A Problem Resolving this as not-a-problem. Please feel free to reopen if you disagree. > DateFormat.getDateTimeInstance() is very expensive, we can cache it to > improve performance > ------------------------------------------------------------------------------------------ > > Key: HDFS-1676 > URL: https://issues.apache.org/jira/browse/HDFS-1676 > Project: Hadoop HDFS > Issue Type: Bug > Components: balancer & mover > Affects Versions: 0.21.0 > Reporter: Xiaoming Shi > Labels: newbie > > In the file: > ./hadoop-0.21.0/hdfs/src/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java > line:1520 > In the while loop, DateFormat.getDateTimeInstance()is called in each > iteration. We can cache the result by moving it outside the loop or adding a > class member. > This is similar to the Apache bug > https://issues.apache.org/bugzilla/show_bug.cgi?id=48778 -- This message was sent by Atlassian JIRA (v6.3.4#6332)