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问题描述产品线反馈RocketMQ某Group ID出现消息堆积，重启后正常，一段时间后再次堆积，近期堆积问题出现的频次有些高，希望能够分析解决下。分析过程通过以往消息堆积的案例经验：● MQ-消息堆积-业务代码异常导致retry队列积压● MQ-消息堆积-业务线程阻塞案例分析● 一次RocketM...

SSL Session默认设置导致线程阻塞了几十秒的案例分析

问题描述几年前在做某学习APP的时候，评论服务（comment）访问评论后端服务（comment-server）正常RT在【几毫秒 ~ 几十毫秒】，偶尔（每隔几天）RT达到几十秒甚至几分钟，造成用户看不到评论列表，发表评论失败等不好的体验。分析过程系统交互关...

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