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From "Sylvain Wallez (Jira)" <j...@apache.org>
Subject [jira] [Created] (ZOOKEEPER-3546) Containers that never have children stay forever
Date Mon, 16 Sep 2019 13:22:00 GMT
Sylvain Wallez created ZOOKEEPER-3546:
-----------------------------------------

             Summary: Containers that never have children stay forever
                 Key: ZOOKEEPER-3546
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3546
             Project: ZooKeeper
          Issue Type: Bug
          Components: server
    Affects Versions: 3.5.5, 3.5.3
            Reporter: Sylvain Wallez


{{ContainerManager}} does not delete containers whose cversion is zero to avoid situations
where a container would be deleted before the application had the chance to create children.

This caused issues in our application where the process stopped between container creation
and child creation: the containers were never deleted.

To avoid this while giving applications the time to create children, empty containers with
a cversion of zero should be deleted after a grace period, e.g. not when they are first collected,
but the second time.



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