Xi: 有没有人知道,这里为什么要分开加锁,一次往数据库里插多条锁是不是可行呢
@peacewong@WDS Xi: DefaultResourceManager这个类 peacewong@WDS: 感觉是可行的,但是需要考虑多个锁被占用的问题,我觉得可以优化下。有意向的话可以提个LKIP下 peacewong@WDS: 现在这里你们遇到了性能问题吗? Xi: 是的,同一个用户大量提交executeOnce任务时,启动会很慢 Xi: 锁的争抢影响比较小,主要是锁住之后的操作比较费时 Xi: 100个任务现在大概延迟6分钟左右 peacewong@WDS: 锁住之后主要是做资源加减,应该会响应很快才对?有定位卡在哪里吗 Xi: 平均下来基本上申请的时候一个会消耗400ms左右,释放的时候700ms左右 peacewong@WDS: 可以加些日志看看卡在哪里吗?这里应该可以优化下的。主要是数据库相关的操作 Xi: Does anyone know why locks should be added separately here? Is it feasible to insert multiple locks into the database at one time @ peacewong@WDS Xi: Defaultresourcemanager class peacewong@WDS : I think it is feasible, but the problem that multiple locks are occupied needs to be considered. I think it can be optimized. If you are interested, you can mention an lkip peacewong@WDS : Are you experiencing performance problems here now? Xi: Yes, when the same user submits a large number of executeonce tasks, the startup will be very slow Xi: The impact of lock contention is relatively small, mainly because the operation after locking is time-consuming Xi: 100 missions are now about six minutes late peacewong@WDS : After locking, it is mainly about adding and subtracting resources. It should respond quickly? Is there a location card Xi: On average, it will consume about 400ms when applying and about 700ms when releasing peacewong@WDS : Can you add some logs to see where the card is? This should be optimized. Mainly database related operations