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Lin Yiqun updated YARN-4710: ---------------------------- Attachment: yarn-debug.log > Reduce logging application reserved debug info in FSAppAttempt#assignContainer > ------------------------------------------------------------------------------ > > Key: YARN-4710 > URL: https://issues.apache.org/jira/browse/YARN-4710 > Project: Hadoop YARN > Issue Type: Improvement > Components: fairscheduler > Affects Versions: 2.7.1 > Reporter: Lin Yiqun > Assignee: Lin Yiqun > Priority: Minor > Attachments: yarn-debug.log > > > I found lots of unimportant records info in assigning container when I > prepared to debug the problem of container assigning.There are too many > records like this in yarn-resourcemanager.log, and it's difficiult for me to > directly to found the important info. > {code} > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:52,971 DEBUG > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:52,976 DEBUG > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:52,981 DEBUG > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:52,986 DEBUG > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:52,991 DEBUG > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:52,996 DEBUG > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:53,001 DEBUG > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:53,007 DEBUG > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:53,012 DEBUG > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:53,017 DEBUG > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:53,022 DEBUG > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:53,027 DEBUG > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:53,032 DEBUG > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:53,038 DEBUG > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:53,050 DEBUG > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt: > Node offered to app: application_1449458968698_0011 reserved: false > 2016-02-21 16:31:53,057 DEBUG > {code} > The reason why of so many records is that it always print this info first in > container assigning whether the assigned result is successful or failed. > Can see the complete yarn log in updated log, and you can see how many > records there are. > And in addition, too many these info logging will slow down process of > container assigning.Maybe we should change this logLevel to other level, like > {{trace}}. -- This message was sent by Atlassian JIRA (v6.3.4#6332)