Benjamin Leber created AVRO-3165:
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Summary: [avro-ipc-netty] NioEventLoopGroup leak in
NettyTransceiver
Key: AVRO-3165
URL: https://issues.apache.org/jira/browse/AVRO-3165
Project: Apache Avro
Issue Type: Bug
Components: java
Affects Versions: 1.10.2, 1.10.1, 1.10.0
Reporter: Benjamin Leber
Attachments: image-2021-06-30-07-53-20-767.png
The NettyTransceiver is used on server and client side. While it requires a
worker group on client side this is not necessary on server side.
But as the worker group is initialized during the variable declaration. It is
also created on the server for every new connection, but it gets never closed.
This causes high off heap memory and always increasing open file descriptors.
!image-2021-06-30-07-53-20-767.png!
Moving the creation of the workger group into the constructor which is called
on client side, solves the problem (deployed after the second 12:00 in above
graph)
I will provide a pr to fix.
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