如何改变调度策略,让Schedule独立执行线程

schedule里,相同的taskType跑多个业务任务,如果其中一个任务大量重试占满了调度线程,会影响别的业务任务及时被执行,如下面截图中,taskType用的是平台内置的常量,这个常量会被其他任务也使用,如果当前任务出现了异常占用了这个taskType的所有线程,那么这个taskType下面的其他任务就会被阻塞延后执行。应该给需要业务及时性的任务单独建立自定义的taskType,这样每个taskType的线程就是独立的,A任务异常不会影响B任务的执行。

1、后台创建task type相关的类,继承BaseScheduleNoTransactionTask,要加springbean的注解,参考:
image.png
task type建议使用类名

2、提交任务的时候,设置tasktype为步骤1的TaskType
image.png

3、控制台新增策略和任务bean
image.png
名称为步骤1的spring beanName,任务名称 $xxx,右边的占位符内容为yml里面配置的ownSign字段
任务的名称也是步骤1的 spring beanName
image.png

4、配置完成后,控制台启动任务,就可以测试了

Oinone社区 作者:shao原创文章,如若转载,请注明出处:https://doc.oinone.top/dai-ma-shi-jian/5602.html

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