线上业务高峰期 CPU 飙升,抓取 thread dump 发现 MySQL Statement Cancellation Timer 的线程数比较多,接收到线上预警,分析一下原因。业务高峰:下面是一些可能相关的信息( mysql 驱动,db 连接池,orm 框架) 依赖信息: mysql-jdbc 8.0.24 druid 1.2.8 mybatis 3.4.6环境配置信息 ...
线上业务高峰期 CPU 飙升,抓取 thread dump 发现MySQLStatement Cancellation Timer的线程数比较多,接收到线上预警,分析一下原因。 业务高峰: 下面是一些可能相关的信息( mysql 驱动,db 连接池,orm 框架) 依赖信息: mysql-jdbc 8.0.24 druid 1.2.8 mybatis 3.4.6 环境配置信息 druid 配置,全部都是默认值 myba...
根据定位Timer.java:526位置的代码, 当前状态WAITING (on object monitor), 表示当前的timer线程池为空, 正在等待新入驻; 根据定位Timer.java:552位置的代码, 当前状态TIMED_WAITING (on object monitor)表示任务等待被激活; 3. getCancelTimer 根据线程名称MySQL Statement Cancellation Timer继续追溯, 在com.mysql.j...
MySQL Statement Cancellation Timer MySQL is a widely used open-source relational database management system. It provides various features and options for managing and querying data efficiently. One important feature is the Statement Cancellation Timer, which allows you to cancel long-running queries that...
线上业务高峰期 CPU 飙升,抓取 thread dump 发现MySQL Statement Cancellation Timer的线程数比较多,接收到线上预警,分析一下原因。 业务高峰: 下面是一些可能相关的信息(mysql 驱动,db 连接池,orm 框架) 依赖信息: mysql-jdbc 8.0.24 druid 1.2.8
在线上环境,出现高并发的场景下,MySQL Statement Cancellation Timer的线程数比较多,接收到线上预警,分析一下原因。 下图为本地模拟环境,配置比较低,问题不突出,主要是示意一下。😏😏😏 以下是 mysql 驱动,连接池,orm 框架信息 依赖信息: mysql-jdbc 8.0.24 ...
MySQL Statement Cancellation Timer
MySQL Statement Cancellation Timer Threads teresa mompean alonso October 18, 2022 12:58AM Re: MySQL Statement Cancellation Timer Threads Filipe Silva October 18, 2022 11:17AM Sorry, you can't reply to this topic. It has been closed.
application [xxxx] appears to have started a thread named [MySQL Statement Cancellation Timer] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) java.util.TimerThread.mainLoop(Timer.java:552) java.util.Timer...
javaCallbackLog.javaDBTimerController.javaMccClient.java修复效果现象MySQL Statement Cancellation Timer的...