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Al, Stefano Giavardi

wd200session hangs on 25% CPU usage

Startbeitrag von Stefano Giavardi am 27.12.2016 18:02

Hi. I met a strange issue on webservices.

Sometimes I find on my server running a data-sync webservice one or more WD200session.exe running in task manager with 25% fixed of CPU usage.

In Webdev administrator tool the Connections tab is empty but some wd200session.exe stay hung doing nothing. Each wd200session instance is related to the management of a WS request. It seems that some requests cannot terminate but the code resolving the request is linear and has no loop or statement that can run into a lock.

I can't figure why sometimes it hangs like this. It happens randomly... The serious issue is that 4 wdsession instance hung (25% cpu each one) means killing the server.
Even the 10 minutes max user idle timeout on webdev admin tool could kill that exe.

Did you ever experienced something like this?
Thank you.


Hello Stefano

This happens all the time for me. The only solution I have at the moment is to monitor the server manually and kill the sessions.
At some point in the next couple of weeks I will be swapping over to V21 so I will let you know if that fixes it.


von Al - am 27.12.2016 21:46
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