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block request when reach the maxConnections #47

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noca opened this Issue · 3 comments

2 participants

@noca

Hello, asyncmongo does a very brilliant work!

Now I'm encountered a problem that troubles me. I'm using mongos as a cluster proxy, and when the rqs is up to 2000r/s, the mongos occupied all system memory and when the rqs get higher, the request get "connection reset pee'.

And I looked at the source code of connection pool asyncmongo used, and I got that when the request reached out the maxConnections, the request will failed by the driver. But if I enlarge the maxConnections, the mongos will report error like before for that mongos manipulate each request by a thread.

Why not implement the connection pool to block the request when reach the maxConnections like Spring database connection pool implemented in JAVA instead of return an error ?

@FlorianLudwig

I think this is the same issue as #42, #45 and #46. The later two include a pull request to solve this. Please test if one of those solve your problem.

@noca

That is what exactly I want! Thanks a lot, FlorianLudwig~~ And by the way, will this patch get into the trunk of the souce code?

@FlorianLudwig

You are welcome, glad I could help. I don't know if this gets merged into master, I am not the maintainer of asyncmongo.

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