netty nio epoll bug not work

I am using Cassandra and, during startup, Netty prints a warning with a stack trace: Found Netty's native epoll transport in the classpath, but epoll is not available. Using NIO instead." The java - How to fix the "Found Netty's native epoll transport in the ... I am new to spring web flux, I have a client application that consumes server-sent events, The events are published by the server randomly there is not fixed delay. But consumer throws io.netty.han... Netty pooling won't behave like the Java GC vs heap ie increasing some throttling/frequency of its work in order to use resources within specified limits (throwing OOM just under specific circumstances).