消息队列RocketMQ版commitlog 的相关内容

问答 2023-05-30 来自：开发者社区

Apache RocketMQ commitlog这里面存的是queue的ID吗？我打开了这个

Apache RocketMQ commitlog这里面存的是queue的ID吗？我打开了这个commitlog里面的文件都是二进制的然后里面有message的id等消息，现在遇到的问题就是这个commitlog里面的文件没有一个被删除，感觉是清理机制没生效吗都过了一周了，这个清理的逻辑是在哪里？

问答 2023-05-16 来自：开发者社区

请问，rocketmq在硬盘空间不足时，是会清理多久前的commitLog? 严重时，会出现磁盘空间

请问，rocketmq在硬盘空间不足时，是会清理多久前的commitLog? 严重时，会出现磁盘空间用了90%时,清理掉了commitLog的当前时间的15分钟前的消息的情况不？目前有一个业务，分析日志，是当时磁盘不足，且看到确定是推送到rocketmq的消息了，但却没有被消费到。感觉是被清理掉了。

文章 2023-02-25 来自：开发者社区

RocketMQ给broker发送消息确定Commitlog的写入的位置

文件格式概述commitlog消息单元存储结构commitlog中存储的是客户端发送的所有数据ConsumeQueue消息单元存储结构ConsumeQueue存的是主题的逻辑信息，如下图所示，代表一条记录。其中记录的信息存储在commitLog中，位置是CommitLog Offset。流程图源码跟踪（broker启动流程里）入口方法DefaultMessageStore###loadpubli....

问答 2022-09-22 来自：开发者社区

RocketMq 4.7升到4.9，要注意什么？兼容旧的commitlog吗

问答 2022-08-09 来自：开发者社区

请问RocketMQ故障恢复的时候会检测commitlog文件数据的完整性吗？（场景：断电，写磁盘的

请问RocketMQ故障恢复的时候会检测commitlog文件数据的完整性吗？（场景：断电，写磁盘的时候数据只写了一半）

问答 2022-05-12 来自：开发者社区

RocketMQ存储端采用本地磁盘进行CommitLog消息数据的存储的弊端是啥？

问答 2020-07-20 来自：开发者社区

rocketmq部署了单机版，broker.conf配置的commitlog目录下没有文件

rocketmq部署了单机版，conf/broker.conf配置文件存储目录，如图所示，启动rocketmq的broker服务时指定了这个配置文件broker.conf ，为什么这个commitlog目录下没有文件

问答 2019-01-28 来自：开发者社区

rocketmq的commitlog相关问题

请教，在日常使用中，出现两次在周末时候发生的，生产者发生数据失败，异常： ERROR io.netty.util.concurrent.DefaultPromise.rejectedExecution - Failed to submit a listener notification task. Event loop shut down?java.util.concurrent.Rejecte....

文章 2018-04-24 来自：开发者社区

rocketMq - commitLog

概述这篇博文主要是想讲清楚rocketMq中commitLog的存储格式和存储过程的，在整理文章的过程中发现有篇来自CSDN的文章的有一张图片画的非常完整，就套用过来了，不过在博文的末尾把参考文章的地址列出来了。 commitLog存储数据格式 commtLog的存储其实是分多层的，commitLog -> mappedFileQue...

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