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From "Paul Kelly (Jira)" <j...@apache.org>
Subject [jira] [Commented] (NIFI-7114) NiFi not closing file handles
Date Fri, 21 Feb 2020 17:27:00 GMT

    [ https://issues.apache.org/jira/browse/NIFI-7114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17042052#comment-17042052
] 

Paul Kelly commented on NIFI-7114:
----------------------------------

Haha, that certainly is strange.  Thank you for looking into this.  I wish I knew more about
debugging code to help.  Please let me know if you need anything else.

> NiFi not closing file handles
> -----------------------------
>
>                 Key: NIFI-7114
>                 URL: https://issues.apache.org/jira/browse/NIFI-7114
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Configuration
>    Affects Versions: 1.10.0, 1.11.0
>         Environment: Amazon EC2 running either Amazon Linux 2 or Ubuntu 18.04.
> NiFi has been installed with no change to any configuration file.
>            Reporter: Vinicius Zolin
>            Priority: Major
>         Attachments: destination.xml, fifocounts.txt, flow.xml.gz, lsof.log, lsof.zip,
lsofAfter.log, lsofBefore.log, openFiles.xlsx, reproduction.zip, source.xml
>
>
> Since at least version 1.10 NiFi stopped closing file handles. It opens circa 500 files
per hour (measured using lsof) without any apparent limit until it crashes due to too many
open files.
>  
> Increasing the computer open file limit is not a solution since NiFi will still crash,
it'll only take longer to do so.



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