SteNicholas commented on code in PR #2994:
URL: https://github.com/apache/celeborn/pull/2994#discussion_r1882262548
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common/src/main/java/org/apache/celeborn/common/network/server/TransportServer.java:
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@@ -100,6 +101,7 @@ private void init(String hostToBind, int portToBind) {
.channel(NettyUtils.getServerChannelClass(ioMode))
.option(ChannelOption.ALLOCATOR, allocator)
.option(ChannelOption.SO_REUSEADDR, !SystemUtils.IS_OS_WINDOWS)
+ .option(EpollChannelOption.SO_REUSEPORT,
IOMode.EPOLL.equals(ioMode))
Review Comment:
The test case `port conflict` has exception that
`io.netty.channel.unix.Errors$NativeIoException: bind(..)` for epoll io mode.
Therefore, we could set `EpollChannelOption.SO_REUSEPORT` to true for epoll io
mode to avoid exception of port conflict.
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