brumi1024 commented on a change in pull request #4105:
URL: https://github.com/apache/hadoop/pull/4105#discussion_r837669006
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File path:
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/RegularContainerAllocator.java
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@@ -121,10 +123,9 @@ private ContainerAllocation
preCheckForNodeCandidateSet(FiCaSchedulerNode node,
return ContainerAllocation.PRIORITY_SKIPPED;
}
- // AM container allocation doesn't support non-exclusive allocation to
- // avoid painful of preempt an AM container
if (schedulingMode == SchedulingMode.IGNORE_PARTITION_EXCLUSIVITY) {
- if (application.isWaitingForAMContainer()) {
+ if (application.isWaitingForAMContainer() &&
!rmContext.getYarnConfiguration()
+ .getBoolean(ALLOWED_AM_NON_EXCLUSIVE_ALLOCATION, false)) {
Review comment:
Thanks!
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