The 2020-11-20: in Java, heard of CMS concurrent pretreatment and concurrent interruptible pretreatment? # # f greatly

CodePudding user response:

https://blog.csdn.net/weixin_42261489/article/details/95297127

CodePudding user response:

CMS process:
Initial tag (STW initial mark)
Concurrent tags (Concurrent marking)
Concurrent pre-cleaning (Concurrent precleaning)
To mark (STW remark)
Concurrent cleaning (Concurrent sweeping)
Concurrent reset (Concurrent reset)

Concurrent pretreatment: concurrent tag
Interrupt pretreatment: mark again