scheduler pending about volcano HOT 3 OPEN

first, update job conflict is a normal case and scheduler will retry to schedule it.
second, retrying job is normal when a pod of job is deleted, the job in cache will finally be deleted after the pod is remvoed from etcd, aka pod graceful delete terminated.
Also, you can try to use v1.9.0, this pr #3144 has fixed some problem about slow job retrying delete. @jorahbi

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Will this error affect the use of volcano?
According to my understanding, if there is any mistake, please forgive me.
This should be a transient error, since the error returned on operation conflict will trigger another reconcile, where the controller fetches the latest version of the resource from the apiserver and tries the update again. This will repeat until the update goes through.

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The pending sometimes lasts for a long time. I think this is caused by the inconsistency between the cache resources and the K8S resources, because the scheduling is successful after restarting the volcano or deleting the job and republishing it.

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