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https://issues.apache.org/jira/browse/AURORA-652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joe Smith updated AURORA-652:
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Component/s: Reliability
> GC Executor termination should be co-ordinated by the scheduler
> ---------------------------------------------------------------
>
> Key: AURORA-652
> URL: https://issues.apache.org/jira/browse/AURORA-652
> Project: Aurora
> Issue Type: Bug
> Components: Reliability
> Reporter: Vinod Kone
>
> Currently there is no co-ordination between when the gc executor exits and
> when a gc task is launched. This results in a race where a slave might launch
> a task on that just exited (but the slave doesn't know about it yet) executor.
> This problem is exacerbated during aurora failover because a slew of gc tasks
> are launched increasing the probability of the race across the cluster. At
> the current time this is triggering our LOST tasks alerts whenever a
> scheduler failover happens. While Aurora-608 will reduce the probability,
> coordinating the gc executor exit via aurora seems like the right solution
> (proposed in AURORA-973 but implemented AFAICT).
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