[jira] [Closed] (FLINK-9912) Release TaskExecutors from SlotPool if all slots have been removed

["Till Rohrmann (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-9912?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till Rohrmann closed FLINK-9912.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 1.7.0

Fixed via e3c98f05d3544d0165c2d97d2d00fcd295cef8c8

> Release TaskExecutors from SlotPool if all slots have been removed
> ------------------------------------------------------------------
>
>                 Key: FLINK-9912
>                 URL: https://issues.apache.org/jira/browse/FLINK-9912
>             Project: Flink
>          Issue Type: Improvement
>          Components: Distributed Coordination
>    Affects Versions: 1.5.1, 1.6.0
>            Reporter: Till Rohrmann
>            Assignee: Till Rohrmann
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.7.0
>
>
> Currently, it is possible to fail slot allocations in the {{SlotPool}}. Failing an allocation means that the slot is removed from the {{SlotPool}}. If we have removed all slots from a {{TaskExecutor}}, then we should also release/close the connection to this {{TaskExecutor}}. At the moment, this only happens via the heartbeats if the {{TaskExecutor}} has become unreachable.



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