消息队列RocketMQ版broker 的相关内容

问答 2023-08-06 来自：开发者社区

请问在RocketMQ中有遇到过这种情况嘛，把consumerqueue目录删掉broker就能起来

rocketmq4.4.0升级到4.9.7，broker启动不起来，日志里报这个信息2023-08-03 14:53:59 INFO main - Try to start service thread:AllocateMappedFileService started:false lastThread:null2023-08-03 14:53:59 INFO main - Try to shu....

问答 2023-07-31 来自：开发者社区

RocketMQ为什么只要broker一重启，之前的信息就是无法看到了,该如何解决？

问答 2023-07-31 来自：开发者社区

RocketMQ配了两个broker,但是测试环境只能注册到一个是怎么回事？

RocketMQ配了两个broker,然后生产环境可以注册到两个broker,但是测试环境只能注册到一个是怎么回事？

文章 2023-07-26 来自：开发者社区

RocketMQ之Broker如何实现磁盘文件高性能读写

Broker读写磁盘文件的核心技术:mmapBroker中大量的使用mmap技术去实现CommitLog这种大磁盘文件的高性能读写优化的。通过之前的学习，我们知道了一点，就是Broker对磁盘文件的写入主要是借助直接写入os cache来实现性能优化的，因为直接写入os cache，相当于就是写入内存一样的性能，后续等os内核中的线程异步把cache中的数据刷入磁盘文件即可。那么今天我们就要对这....

问答 2023-07-19 来自：开发者社区

昨天rocketmq挂了以后，今天重启 broker master启动失败怎么解决？

"问题1：昨天rocketmq挂了以后，今天重启 broker master启动失败，应该是恢复数据的时候出错了，hs_err文件抛出了这个错误，这个问题怎么解决？broker日志是这样的问题2：但是重启的时候 load commitLog失败了rocketmq是凌晨1点挂掉的，我们有个定时任务在12点执行，清理之前的commitLog。我不知道是不是因为commitLog被清掉了所以启动的....

问答 2023-07-19 来自：开发者社区

rocketmq中5.0 搭建起来，nameserver是正常，broker一直报错，什么原因？

"rocketmq中5.0 搭建起来，nameserver是正常，broker一直报错，FAQ也没解决的办法，这是哪里的原因，ERROR BrokerControllerScheduledThread1 - ScheduledTask refresh metadata exceptionorg.apache.rocketmq.client.exception.MQBrokerException:....

问答 2023-07-03 来自：开发者社区

Apache RocketMQ这个是rocketmq 4.x版本设计的重大缺陷吗？当broker

问题1:Apache RocketMQ这个是rocketmq 4.x版本设计的重大缺陷吗？当broker - master挂掉之后，不会切slave，直接返回一个空值？ 4.7.1 问题2:这个requestFail一般是什么导致的？应该没问题，代码看错了

问答 2023-07-03 来自：开发者社区

请问下有知道 Apache RocketMQ怎么开启proxy的acl吗？网上大多是broker的？

请问下有知道 Apache RocketMQ怎么开启proxy的acl吗？网上大多是broker的acl开启资料

问答 2023-07-03 来自：开发者社区

大佬，您知道Apache RocketMQ中怎么修改broker端打印log的实现类由logbac？

大佬，您知道Apache RocketMQ中怎么修改broker端打印log的实现类由logback改为log4j2么？

问答 2023-07-03 来自：开发者社区

哪位大佬知道Apache RocketMQ如何修改5.0版本下broker和namesrv的日志打？

哪位大佬知道Apache RocketMQ如何修改5.0版本下broker和namesrv的日志打印从logback改为log4j?

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更新时间 2023-08-07 03:45:06

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