jamescheng created NIFI-5969:
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Summary: Many S2S connections in state CLOSE_WAIT
Key: NIFI-5969
URL: https://issues.apache.org/jira/browse/NIFI-5969
Project: Apache NiFi
Issue Type: Bug
Affects Versions: 1.8.0
Environment: Linux
Reporter: jamescheng
Attachments: image-2019-01-23-16-46-33-081.png,
image-2019-01-23-17-34-28-533.png
Hi, We have a 4-node NiFi cluster. We use RPG to send flowfiles back to
cluster. We faced the WEB UI slowness issue, so we found there are many S2S
connection in CLOSE_WAIT state. After we restart the NiFi, the S2S connections
are keep growing at each node, also, we can see there are many "socket time out
exception" in log files.
!image-2019-01-23-16-46-33-081.png!
!image-2019-01-23-17-34-28-533.png!
It may have some issue cause the NiFi does not close s2s connection.
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