Tao Yang created YARN-7636:
------------------------------
Summary: Re-reservation count may overflow when cluster resource
exhausted for a long time
Key: YARN-7636
URL: https://issues.apache.org/jira/browse/YARN-7636
Project: Hadoop YARN
Issue Type: Bug
Components: capacityscheduler
Affects Versions: 3.0.0-alpha4, 2.9.1
Reporter: Tao Yang
Assignee: Tao Yang
Exception stack:
{noformat}
java.lang.IllegalArgumentException: Overflow adding 1 occurrences to a count of
2147483647
at
com.google.common.collect.ConcurrentHashMultiset.add(ConcurrentHashMultiset.java:246)
at
com.google.common.collect.AbstractMultiset.add(AbstractMultiset.java:80)
at
com.google.common.collect.ConcurrentHashMultiset.add(ConcurrentHashMultiset.java:51)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt.addReReservation(SchedulerApplicationAttempt.java:406)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt.reserve(SchedulerApplicationAttempt.java:555)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp.reserve(FiCaSchedulerApp.java:1076)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp.apply(FiCaSchedulerApp.java:795)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.tryCommit(CapacityScheduler.java:2770)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler$ResourceCommitterService.run(CapacityScheduler.java:546)
{noformat}
We can add check condition {{getReReservations(schedulerKey) <
Integer.MAX_VALUE}} before addReReservation to avoid this problem.
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