Simon Bence created NIFI-8039:
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Summary: Decrease the initial resource reservation of Listen
processor family
Key: NIFI-8039
URL: https://issues.apache.org/jira/browse/NIFI-8039
Project: Apache NiFi
Issue Type: Bug
Components: Extensions
Reporter: Simon Bence
Assignee: Simon Bence
Fix For: 1.13.0
ListenTCP processor and other processors in the listen family are reserve
resources at initialisation based on properties on the processor. This includes:
* Executor in SocketChannelDispatcher is created using fixed thread pool
* Byte buffer pool is build up based on Max Number of TCP Connections which
with high connection can consume high amount of memory
In some use cases this is undesirable and might even cause failure of the
initialisation. In order to avoid this I suggest to remove the buffer pool and
replace the fixed thread pool into a more flexible (scaling) implementation.
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