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Posted to commits@nifi.apache.org by "Mark Payne (JIRA)" <ji...@apache.org> on 2015/10/27 16:41:27 UTC

[jira] [Assigned] (NIFI-122) FlowFileQueue should block if queue is too full

     [ https://issues.apache.org/jira/browse/NIFI-122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Payne reassigned NIFI-122:
-------------------------------

    Assignee: Mark Payne

> FlowFileQueue should block if queue is too full
> -----------------------------------------------
>
>                 Key: NIFI-122
>                 URL: https://issues.apache.org/jira/browse/NIFI-122
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Core Framework
>            Reporter: Matt Gilman
>            Assignee: Mark Payne
>             Fix For: 0.4.0
>
>
> If data comes in at extremely high rates, it's possible that the FlowFiles will not be swapped out quickly enough. This can lead to OOME. Instead, the FlowFileQueue should set a limit to the queue size and block when attempting to offer a new FlowFile until either the consuming component consumes the data or the data is swapped out via the Swap Manager (MUST ensure that we do not block while holding lock!)



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