Affects Version/s: 2.7.2
Fix Version/s: None
Component/s: capacity scheduler
Met a scenario of negative pending resource with capacity scheduler, in jmx, it shows:
full jmx infomation attached.
this is not just a jmx UI issue, the actual pending resource of queue is also negative as I see the debug log of
DEBUG | ResourceManager Event Processor | Skip this queue=root, because it doesn't need more resource, schedulingMode=RESPECT_PARTITION_EXCLUSIVITY node-partition= | ParentQueue.java
this lead to the NULL_ASSIGNMENT
The background is submitting hundreds of applications and consume all cluster resource and reservation happen. While running, network fault injected by some tool, injection types are delay,jitter
,repeat,packet loss and disorder. And then kill most of the applications submitted.
Anyone also facing negative pending resource, or have idea of how this happen?