This is the mail archive of the cygwin-patches@cygwin.com mailing list for the Cygwin project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [Fwd: 1.5.11-1: sftp performance problem]


On Fri, Sep 10, 2004 at 11:55:05AM -0400, Bob Byrnes wrote:
>It's not obvious to me why socketpairs would be inherently faster
>than pipes.  Maybe my latest patch exacerbated a longstanding but
>not-fully-appreciated performance problem ... I'd certainly be
>interested in improving that.

I wonder if sshd is receiving a lot of signals.  The method for
dealing with signals when blocking on pipes is pretty fragile and
I could see it causing slowdowns.

cgf


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]