【详述】将三节点的FE服务端口9030端口通过SLB负载均衡。
【背景】
【业务影响】
【StarRocks版本】2.5.4
【集群规模】3fe（1 follower+3observer）+ 3be
【机器信息】CPU虚拟核/内存/网卡，例如：48C/64G/万兆
【联系方式】
fe日志打印：
2023-05-24 10:46:34,251 WARN (starrocks-mysql-nio-pool-12075|5475385) [AcceptListener.lambda$handleEvent$1():95] connect processor exception because
java.io.IOException: Connection reset by peer
at sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[?:1.8.0_291]
at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) ~[?:1.8.0_291]
at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93) ~[?:1.8.0_291]
at sun.nio.ch.IOUtil.write(IOUtil.java:65) ~[?:1.8.0_291]
at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:469) ~[?:1.8.0_291]
at org.xnio.nio.NioSocketConduit.write(NioSocketConduit.java:153) ~[xnio-nio-3.7.9.Final.jar:3.7.9.Final]
at org.xnio.conduits.ConduitStreamSinkChannel.write(ConduitStreamSinkChannel.java:150) ~[xnio-api-3.7.9.Final.jar:3.7.9.Final]
at org.xnio.channels.Channels.writeBlocking(Channels.java:97) ~[xnio-api-3.7.9.Final.jar:3.7.9.Final]
at com.starrocks.mysql.nio.NMysqlChannel.realNetSend(NMysqlChannel.java:65) ~[starrocks-fe.jar:?]
at com.starrocks.mysql.MysqlChannel.send(MysqlChannel.java:221) ~[starrocks-fe.jar:?]
at com.starrocks.mysql.MysqlChannel.flush(MysqlChannel.java:244) ~[starrocks-fe.jar:?]
at com.starrocks.mysql.MysqlChannel.sendAndFlush(MysqlChannel.java:312) ~[starrocks-fe.jar:?]
at com.starrocks.mysql.MysqlProto.negotiate(MysqlProto.java:118) ~[starrocks-fe.jar:?]
at com.starrocks.mysql.nio.AcceptListener.lambda$handleEvent$1(AcceptListener.java:71) ~[starrocks-fe.jar:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_291]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_291]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_291]
是否可以关闭该错误的打印。
是用k8s部署的?
不是，容器部署到主机的。
这个是FE被动的错误日志, 可以用tcpdump看看9030端口被哪儿扫描 看日志像是在做TCP端口扫描.