Netty Nio Epoll Bug Not Work Players Cant Rejoin Massive Spam Whenever Attempted

Author Dalbo 12 Dec 2024

For me it seems that problem reproducible only under heavy load or some kind of picks (few second after bootstrap). Few months back, i was able to perform load test with 15hits per sec without even reaching 25% of cpu utilization but now when i am performing a load test even with 5hits per. We found it because our code waits for connection event success/failure (using “channelfuturelistener”) without timeout and this event was not returned.

Netty Epoll Server IO ERROR · Issue 1534 · dmulloy2/ProtocolLib · GitHub

Netty Nio Epoll Bug Not Work Players Cant Rejoin Massive Spam Whenever Attempted

During load testing, we found that epoll transport uses around 55% cpu compared to around 20% for nio, just for maintaining the connections without doing any. After poking around the code, it seems when querying pendingtasks of either nioeventloop or epolleventloop, the method blocks if called outside of said event loop. If n empty polling occurs continuously in a certain period, the epoll loop bug is triggered.

Just tried few times, sometimes it's even working,.

Beside this the epoll transport expose configuration options that are not present with. However, several individuals have called into question the. We found it because our code waits for connection event success/failure (using “channelfuturelistener”) without timeout and this event was not returned. Troubleshooting netty epoll server io common issues.

I'm not an active (anymore) netty user but netty is the largest project i've seen so far that has incorporated io_uring support. When working with netty epoll server io, it’s not uncommon to encounter a few common issues that may affect the. There is a long lived bug either in the jdk or even in linux epoll implementation that makes it possible for the select() call to return immediately with 0 selectionkey to be. Rebuild the selector, determine whether it is a rebuild request initiated by another thread, if not,.

Netty Epoll Server IO ERROR · Issue 1534 · dmulloy2/ProtocolLib · GitHub

netty使用epoll报错java.lang.UnsatisfiedLinkError failed to load the

Netty 解决/规避了JDK的NIO bug了吗？知乎

[Bug] Players cant rejoin, massive netty epoll spam whenever attempted

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