On Tue, May 19, 2020 at 8:33 AM Barry Scott <barry.sc...@forcepoint.com> wrote:
> On Monday, 18 May 2020 22:21:16 BST Tom Most wrote: > > > > > If looking improve process management in Twisted, I think that the > > lowest-hanging fruit is to watch children with pidfd, rather than reaping > > all children on SIGCHLD. This O(n) reaping --- one waitpid() call per > > running process --- starts to consume substantial CPU. IIRC it pegged a > > core at 20,000 processes or so. > > Why not waitpid for all children (pid=0 or pid=-1) in a single call? > > Barry > Because then you might reap a child process someone launched with a different API - eg the Python subprocess module. Jean-Paul
_______________________________________________ Twisted-Python mailing list Twisted-Python@twistedmatrix.com https://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python
