He-Pin commented on PR #25866:
URL: https://github.com/apache/flink/pull/25866#issuecomment-2566221237
So I suggest:
rerun the tests with -Dio.netty.tryReflectionSetAccessible=true and
-Dio.netty.leakDetection.level=PARANOID to see why and where it leaks or gets a
heap dump.
We have some applications, not a flink application still needs this
`-Dio.netty.tryReflectionSetAccessible=true` to avoid OOM in production.
or , you could set the Netty's bytebuf allocator with `unpooled` by default.
with `-Dio.netty.allocator.type=unpooled`
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