Welcome Guest! To enable all features please Login or Register.

Notification

Icon
Error
NCrunch spirals out of control
Options
Previous Topic Next Topic
Brannon
#1 Posted : Thursday, June 26, 2014 5:08:15 PM(UTC)
Rank: Newbie

Groups: Registered
Joined: 6/26/2014(UTC)
Posts: 6
Location: United States of America
At least four developers on my team plus myself have been struggling with NCrunch: After running tests normally for about five minutes, it will to to a state where it slams the CPU (pegging as many build threads as I've allowed). When that happens, I can shut down Visual Studio (2012) and about one minute later NCrunch will die. Then my machine will become responsive again. It did not do this the first week that I used the product. Now it does it very consistently. How can I debug what is going on? When NCrunch pegs the processor, it take about a minute for the Task Manager to start up, another minute each time I try to scroll in the Task Manager, another minute to get the context menu up to kill a process -- it's very painful.
Back to top
Remco
#2 Posted : Thursday, June 26, 2014 9:42:41 PM(UTC)
Rank: NCrunch Developer

Groups: Administrators
Joined: 4/16/2011(UTC)
Posts: 7,161

Thanks: 964 times
Was thanked: 1296 time(s) in 1202 post(s)
Hi, thanks for getting in touch with this problem.

Can you describe the nature of the tests you are executing with NCrunch? Do you have any integration tests that interact heavily with the file system or processes outside the test domain? (i.e. a database).

If you can, I recommend trying to get a capture of the tests that are running when the machine starts to slow down or lock up. Working with the processing queue open and the filters set to show only the executing tests should help with this. My first theory is that you have at least one test in your solution that is managing to overstep NCrunch's processing constraints. If we can discover which test it is, we can then identify where things are going wrong.
Back to top
Brannon
#3 Posted : Thursday, June 26, 2014 11:32:48 PM(UTC)
Rank: Newbie

Groups: Registered
Joined: 6/26/2014(UTC)
Posts: 6
Location: United States of America
It stalls during project build. It appears to only happen when you restrict NCrunch to specific CPU cores. Try this configuration for a few days:
NCrunch CPUS: 0,1
Visual Studio CPUS: 2,3,4,5,6,7,8
Threads: 4
Back to top
Remco
#4 Posted : Friday, June 27, 2014 12:36:54 AM(UTC)
Rank: NCrunch Developer

Groups: Administrators
Joined: 4/16/2011(UTC)
Posts: 7,161

Thanks: 964 times
Was thanked: 1296 time(s) in 1202 post(s)
Is there a specific project that it seems to stall on while building? Have you noticed this problem with any other projects/solutions?
Back to top
Brannon
#5 Posted : Tuesday, July 1, 2014 7:23:16 PM(UTC)
Rank: Newbie

Groups: Registered
Joined: 6/26/2014(UTC)
Posts: 6
Location: United States of America
It does not stall on any specific build or test. It may be that it always stalls compiling, though.
Back to top
Users browsing this topic
Guest
Forum Jump  
You cannot post new topics in this forum.
You cannot reply to topics in this forum.
You cannot delete your posts in this forum.
You cannot edit your posts in this forum.
You cannot create polls in this forum.
You cannot vote in polls in this forum.

YAF | YAF © 2003-2011, Yet Another Forum.NET
This page was generated in 0.031 seconds.
Trial NCrunch
Take NCrunch for a spin
Do your fingers a favour and supercharge your testing workflow
Free Download