GitHub user RongtongJin added a comment to the discussion: 请问该怎么解决 CODE: 2 DESC: [REJECTREQUEST]system busy, start flow control for a while BROKER:
> broker_default.log 一直报system busy 服务器2核8G 版本5.1.0 用controller方式quick_start启动 > > 这是配置文件 > > brokerClusterName = Cluster brokerName = rocket01 brokerId = -1 brokerRole = > ASYNC_MASTER #flushDiskType=ASYNC_FLUSH deleteWhen = 04 fileReservedTime = 48 > enableControllerMode = true controllerAddr = > 10.203.1.115:9878;10.203.0.175:9878;10.203.1.50:9878 namesrvAddr = > 10.203.1.115:9876;10.203.0.175:9876;10.203.1.50:9876 > allAckInSyncStateSet=true listenPort=30911 > storePathRootDir=/data/rmqstore/rocket02/ > storePathCommitLog=/data/rmqstore/rocket02/commitlog > sendMessageThreadPoolNums=4 useReentrantLockWhenPutMessage=true > isEnableSlaveActingMaster=true > > autoCreateTopicEnable=false autoCreateSubscriptionGroup=false 2c8g在较大流量下可能确实会造成system busy。调大osPageCacheBusyTimeOutMills可能可以从表面上缓解该现象，但如果系统存在性能瓶颈，还是需要升级规格或扩容。此外，我发现配置文件中isEnableSlaveActingMaster参数和enableControllerMode同时为true，两种模式无法同时启动，建议关闭isEnableSlaveActingMaster参数。 GitHub link: https://github.com/apache/rocketmq/discussions/6656#discussioncomment-5730571 ---- This is an automatically sent email for dev@rocketmq.apache.org. To unsubscribe, please send an email to: dev-unsubscr...@rocketmq.apache.org
