[issue26562] Large Involuntary context switches during oom-killer

2016-03-15 Thread Damian Myerscough
Damian Myerscough added the comment: Thanks for the feedback, I will continue to dig into this. I know processes go crazy sometimes when OOM killer kicks off, I just wanted to rule out a Python bug or if anyone in the community has seen this before. Thanks

[issue26562] Large Involuntary context switches during oom-killer

2016-03-14 Thread Damian Myerscough
Damian Myerscough added the comment: @rbcollins there is nothing else running in the Docker container other than the python interpreter. I did an `strace` of the process mmap(NULL, 3149824, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7effc2d0c000 munmap(0x7effc300d000, 790528

[issue26562] Large Involuntary context switches during oom-killer

2016-03-14 Thread Damian Myerscough
New submission from Damian Myerscough: I have been running a simple script inside a Docker container to cause the container to trigger oom-killer. >>> mem = {} >>> for i in range(65535): ... mem[i] = "A" * 65535 When oom-killer is trigger I see a large n