为了更快的定位您的问题，请提供以下信息，谢谢
【详述】发现FE节点大量的WARN日志，网络连接问题
【背景】升级到了3.1.6
【业务影响】日志文件太多，且存在未知风险
【是否存算分离】否
【StarRocks版本】3.1.6
【集群规模】例如：5fe（3 follower+2observer）+3be
【机器信息】16C/64G
【联系方式】363698476@qq.com，谢谢
【附件】
- fe.log
2024-01-27 15:11:18,549 WARN (nioEventLoopGroup-6-24|301) [HttpServerHandler.exceptionCaught():119] [remote=/100.117.99.131:38744] Exception caught: Connection reset by peer
java.io.IOException: Connection reset by peer
at sun.nio.ch.FileDispatcherImpl.read0(Native Method) ~[?:?]
at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) ~[?:?]
at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:276) ~[?:?]
at sun.nio.ch.IOUtil.read(IOUtil.java:233) ~[?:?]
at sun.nio.ch.IOUtil.read(IOUtil.java:223) ~[?:?]
at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:358) ~[?:?]
at io.netty.buffer.PooledByteBuf.setBytes(PooledByteBuf.java:259) ~[netty-buffer-4.1.87.Final.jar:4.1.87.Final]
at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1132) ~[netty-buffer-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:357) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:151) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:724) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:650) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.87.Final.jar:4.1.87.Final]
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.87.Final.jar:4.1.87.Final]
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[netty-common-4.1.87.Final.jar:4.1.87.Final]
at java.lang.Thread.run(Thread.java:834) ~[?:?]
2024-01-27 15:11:18,921 WARN (nioEventLoopGroup-6-26|306) [HttpServerHandler.exceptionCaught():119] [remote=/100.127.5.0:52430] Exception caught: Connection reset by peer
java.io.IOException: Connection reset by peer
at sun.nio.ch.FileDispatcherImpl.read0(Native Method) ~[?:?]
at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) ~[?:?]
at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:276) ~[?:?]
at sun.nio.ch.IOUtil.read(IOUtil.java:233) ~[?:?]
at sun.nio.ch.IOUtil.read(IOUtil.java:223) ~[?:?]
at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:358) ~[?:?]
at io.netty.buffer.PooledByteBuf.setBytes(PooledByteBuf.java:259) ~[netty-buffer-4.1.87.Final.jar:4.1.87.Final]
at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1132) ~[netty-buffer-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:357) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:151) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:724) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:650) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.87.Final.jar:4.1.87.Final]
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.87.Final.jar:4.1.87.Final]
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[netty-common-4.1.87.Final.jar:4.1.87.Final]
at java.lang.Thread.run(Thread.java:834) ~[?:?]
2024-01-27 15:11:18,951 WARN (nioEventLoopGroup-6-25|303) [HttpServerHandler.exceptionCaught():119] [remote=/100.127.4.1:55206] Exception caught: Connection reset by peer
java.io.IOException: Connection reset by peer
at sun.nio.ch.FileDispatcherImpl.read0(Native Method) ~[?:?]
at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) ~[?:?]
at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:276) ~[?:?]
at sun.nio.ch.IOUtil.read(IOUtil.java:233) ~[?:?]
at sun.nio.ch.IOUtil.read(IOUtil.java:223) ~[?:?]
at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:358) ~[?:?]
at io.netty.buffer.PooledByteBuf.setBytes(PooledByteBuf.java:259) ~[netty-buffer-4.1.87.Final.jar:4.1.87.Final]
at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1132) ~[netty-buffer-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:357) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:151) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:724) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:650) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562) ~[netty-transport-4.1.87.Final.jar:4.1.87.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.87.Final.jar:4.1.87.Final]
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.87.Final.jar:4.1.87.Final]
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[netty-common-4.1.87.Final.jar:4.1.87.Final]
at java.lang.Thread.run(Thread.java:834) ~[?:?]
