[ https://issues.apache.org/jira/browse/HADOOP-11827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zoran Dimitrijevic updated HADOOP-11827: ---------------------------------------- Attachment: HADOOP-11827.patch test patch report from my laptop: {color:green}+1 overall{color}. {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:green}+1 tests included{color}. The patch appears to include 4 new or modified test files. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 javadoc{color}. There were no new javadoc warning messages. {color:green}+1 eclipse:eclipse{color}. The patch built with eclipse:eclipse. {color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 3.0.1) warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. > Speed-up distcp buildListing() using threadpool > ----------------------------------------------- > > Key: HADOOP-11827 > URL: https://issues.apache.org/jira/browse/HADOOP-11827 > Project: Hadoop Common > Issue Type: Improvement > Components: tools/distcp > Affects Versions: 3.0.0 > Reporter: Zoran Dimitrijevic > Assignee: Zoran Dimitrijevic > Priority: Minor > Attachments: HADOOP-11827.patch > > Original Estimate: 24h > Remaining Estimate: 24h > > For very large source trees on s3 distcp is taking long time to build file > listing (client code, before starting mappers). For a dataset I used (1.5M > files, 50K dirs) it was taking 65 minutes before my fix in HADOOP-11785 and > 36 minutes after the fix). -- This message was sent by Atlassian JIRA (v6.3.4#6332)