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From "Jie Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MESOS-7748) Streaming API subscribers can lead to Mesos master OOM event.
Date Thu, 06 Jul 2017 17:28:01 GMT

     [ https://issues.apache.org/jira/browse/MESOS-7748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jie Yu updated MESOS-7748:
--------------------------
    Sprint: Mesosphere Sprint 58

> Streaming API subscribers can lead to Mesos master OOM event.
> -------------------------------------------------------------
>
>                 Key: MESOS-7748
>                 URL: https://issues.apache.org/jira/browse/MESOS-7748
>             Project: Mesos
>          Issue Type: Bug
>            Reporter: Alexander Rukletsov
>            Assignee: Alexander Rukletsov
>              Labels: mesosphere
>
> For each active subscriber, Mesos master maintains an event queue, which grows over time
if the subscriber does not read fast enough. As the number of such "slow" subscribers grows,
so does Mesos master memory consumption, which might lead to an OOM event.
> Ideas to consider:
> * Restrict the number of subscribers for the streaming API
> * Check (ping) for inactive or "slow" subscribers
> * Disconnect the subscriber when there are too many queued events in memory



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