[ https://issues.apache.org/jira/browse/HADOOP-15670?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eric Yang resolved HADOOP-15670. -------------------------------- Resolution: Not A Problem > UserGroupInformation TGT renewer thread doesn't use monotonically increasing > time for calculating interval to sleep > ------------------------------------------------------------------------------------------------------------------- > > Key: HADOOP-15670 > URL: https://issues.apache.org/jira/browse/HADOOP-15670 > Project: Hadoop Common > Issue Type: Bug > Components: common > Affects Versions: 3.1.0, 2.9.1 > Reporter: Hrishikesh Gadre > Assignee: Hrishikesh Gadre > Priority: Minor > > As per the [documentation of Time#now() > method|https://github.com/apache/hadoop/blob/74411ce0ce7336c0f7bb5793939fdd64a5dcdef6/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/Time.java#L49-L57], > it should not be used for calculating duration or interval to sleep. But the > TGT renewer thread in UserGroupInformation object doesn't follow this > recommendation, > [https://github.com/apache/hadoop/blob/74411ce0ce7336c0f7bb5793939fdd64a5dcdef6/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java#L892-L899] > This should be fixed to use Time.monotonicNow() API instead. > -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: common-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-dev-h...@hadoop.apache.org