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https://issues.apache.org/jira/browse/NIFI-7114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17041982#comment-17041982
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Joe Witt commented on NIFI-7114:
--------------------------------
Can you please share full output of
lsof +E -P -p <pid of nifi not bootstrap>
then wait a while until you see growth
lsof +E -P -p <pid of nifi not bootstrap>
and share that too. Please label before/after so we can see that.
Also I'm locally running your flow from last night. added
FetchDistributedMapCache to get more action going. And still waiting for any
signs of leakge. so far definitely nothing.
Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f)
Maven home: /development/apache-maven-3.6.3
Java version: 1.8.0_242, vendor: Oracle Corporation, runtime:
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.242.b08-0.fc31.x86_64/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "5.4.17-200.fc31.x86_64", arch: "amd64", family:
"unix"
Same JVM but a much newer kernel
> 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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