triump2020 comments

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                                            triump2020

small code refactor to local txn

LGTM

Hi, srpc 支持多语言么？比如java 和golang?

Thanks!

Hi ,eBay dose use it in a production envirement ?

@greensky00 thanks for your quick response ! BTW, in ebay, has there been any case in where jungle has been used as a wal-raft-log store ? we want to multiplex...

Hi ,eBay dose use it in a production envirement ?

@greensky00 Got it , thanks!

请问: "ReqInfoQueue" 队列的线程安全问题?

虽然这个队列是single producer --single cosumer 的, 如果没加锁，可能还是有内存序/可见性的问题吧

请问: "ReqInfoQueue" 队列的线程安全问题?

我认为还是后面的epoll_ctl 和网络线程中的epoll_wait 起了作用吧.

请问: "ReqInfoQueue" 队列的线程安全问题?

epoll_ctl 对应了Realeas 语义， epoll_wait 对应了Acquire 语义，所以当epoll_wait 返回后，能保证在epoll_ctl 之前对内存的修改可见，所以 ReqInfoQueue 这个队列就可以不用做任何处理 ; 否则即使是最简单的单生成者，单消费者队列，也要做相关的内存一致性模型的控制，才能保证data race free.

[YSQL] Improved wait queue based pessimistic locking

@rkarthik007 Have a plan or scheme to support pessimistic locking ?

[Bug]: tpcc stability test report 'w-w conflict'.

https://github.com/matrixorigin/matrixone/pull/15545

[Bug]: tpcc stability test report 'w-w conflict'.

https://github.com/matrixorigin/matrixone/pull/15948