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Hudson commented on HDDS-2198: ------------------------------ SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #17461 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/17461/]) HDDS-2198. SCM should not consider containers in CLOSING state to come (github: rev cdaa480dbfd8cc0f0d358f17047c8aa97299cb35) * (edit) hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/safemode/ContainerSafeModeRule.java * (edit) hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/safemode/TestSCMSafeModeManager.java > SCM should not consider containers in CLOSING state to come out of safemode > --------------------------------------------------------------------------- > > Key: HDDS-2198 > URL: https://issues.apache.org/jira/browse/HDDS-2198 > Project: Hadoop Distributed Data Store > Issue Type: Bug > Components: SCM > Reporter: Nilotpal Nandi > Assignee: Nanda kumar > Priority: Major > Labels: pull-request-available > Fix For: 0.5.0 > > Time Spent: 1h 20m > Remaining Estimate: 0h > > There are cases where SCM can be stuck in safemode for ever if it considers > containers in CLOSING state for coming out of safemode > * If there are 5 containers in OPEN state inside SCM > * Out of 5, 3 containers are created in datanodes by the client. > * 2 containers are yet to be created in datanodes > * Due to some pipeline issue, pipeline close action is sent. > * All 5 container's state are changed from OPEN to CLOSING in SCM. > * Eventually , 3 container's state moves from CLOSING to CLOSED in SCM as the > datanodes closes those containers. > * 2 of the containers are still in CLOSING state. > * SCM is restarted. > * SCM will never gets container reports for the containers which were in > CLOSING state as those containers were never created in datanodes. > * SCM will remain in safemode. -- 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