[ https://issues.apache.org/jira/browse/SOLR-6122 ]
Yuntong Qu deleted comment on SOLR-6122:
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was (Author: yuntong):
-To allow cancel submitted and not started task with later on support to cancel
certain running task. We should only let overseer to decide what to remove in
its work queue.-
-Within the scope of using overseer:-
- -I propose that we have a new queue (/overseer/collection-queue-work) on ZK.
Each node can submit to cancel queue with async id they intended to cancel
through CollectionsHandler.-
- -On overseer (OverseerTaskProcessor), during each
[run()|https://github.com/apache/solr/blob/383d21bac694d17ae64ddae5af30cfb9b5a0c615/solr/core/src/java/org/apache/solr/cloud/OverseerTaskProcessor.java#L168],
we compare queued task from work queue with cancel queue first to cancel any
not started task, right after-
[-clenUpWorkQueue()-|https://github.com/apache/solr/blob/383d21bac694d17ae64ddae5af30cfb9b5a0c615/solr/core/src/java/org/apache/solr/cloud/OverseerTaskProcessor.java#L245]
> API to cancel an already submitted/running Collections API call
> ---------------------------------------------------------------
>
> Key: SOLR-6122
> URL: https://issues.apache.org/jira/browse/SOLR-6122
> Project: Solr
> Issue Type: Wish
> Components: SolrCloud
> Reporter: Anshum Gupta
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Right now we can trigger a long running task with no way to cancel it
> cleanly.
> We should have an API that interrupts the already running/submitted
> collections API call.
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