[ https://issues.apache.org/jira/browse/MAPREDUCE-5835?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Karthik Kambatla updated MAPREDUCE-5835: ---------------------------------------- Priority: Critical (was: Major) Affects Version/s: 2.4.0 > Killing Task might cause the job to go to ERROR state > ----------------------------------------------------- > > Key: MAPREDUCE-5835 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5835 > Project: Hadoop Map/Reduce > Issue Type: Bug > Affects Versions: 2.4.0 > Reporter: Ming Ma > Assignee: Ming Ma > Priority: Critical > Attachments: MAPREDUCE-5835.patch > > > There could be a race condition if job is killed right after task attempt > receives TA_DONE event. In that case, TaskImpl might receive > T_ATTEMPT_SUCCEEDED followed by T_ATTEMPTED_KILLED for the same attempt, thus > transition job to ERROR state. > a. The task is in KILL_WAIT. > b. TA receives TA_DONE event. > c. Before TA transitions to SUCCEEDED state, Task sends TA_KILL event. > d. TA transitions to SUCCEEDED state and thus send T_ATTEMPT_SUCCEEDED to the > task. The task transitions to KILLED state. > e. TA processes TA_KILL event and sends T_ATTEMPT_KILLED to the task. > f. When task is in KILLED state, it can't handle T_ATTEMPT_KILLED event, thus > transition job to ERROR state. -- This message was sent by Atlassian JIRA (v6.2#6252)