ktrace is a command, look it up. also testing dns time was a very good suggestion, as well.
On Sun, Sep 15, 2013 at 7:12 AM, Adrian Immanuel Kieß <adr...@kiess.at>wrote: > Dear List, Metthew and Matthias, > > I don't know how to trace a application within NetBSD -- and yes it must > be cache related. After migrating, if I remeber right, I even tried to > rebuild the cache by hand to check if everything is OK. > > I guess it loops around somewhere with wrong OPENDEV command for the > network interface. My second guess it is busy scanning the HTML file or > something. I just can guess. :-) > > I even added max_filedescriptors 4096 in squid.conf because I've > stumbled across something with the open file limit in NetBSD already. > ^_^ > > As I already noted it worked under Debian. > > But under NetBSD 6.1 I now have the high CPU usage. > > I attached my squid.conf file. > > Adrian Immanuel KIESS > > On Sat, 2013-09-14 at 14:24 -0400, matthew sporleder wrote: > > > > On Thu, Sep 12, 2013 at 11:22 PM, Adrian Immanuel Kieß > > <adr...@kiess.at> wrote: > > Dear list, > > > > since several months and upgrades I encountered the problem > > that squid > > uses too much CPU time under NetBSD 6.1 and my proxy server is > > nearly to > > unusable now. > > > > I installed the default squid from /usr/pkgsrc/www/squid using > > pkgsrc-2013-Q2. Every HTTP webpage request lets squid meditate > > for > > several seconds until the page is served. The network download > > itself > > seems comparatively fast. > > > > Maybe someone seen this behavior of squid too and give me a > > hint? I > > moved my squid installation from GNU/Debian to this NetBSD box > > and I > > remember -- there I did not have this problem with nearly the > > same > > configuration. > > > > Thank you very much! > > > > Sincerely, > > > > Adrian Immanuel KIESS > > > > -- > > With greetings from Leipzig, Germany. > > Adrian Immanuel Kieß > > > > Administrator & programmer > > Unix / Perl / LaTeX > > > > mail: <adrian (at) kiess.at> > > www: http://www.kiess.at > > > > > > > > Have you tried ktrace-ing squid to see what it's doing during these > > pauses? > > > > It sounds like it's probably scanning/writing the cache? > > > > -- > With greetings from Leipzig, Germany. > Adrian Immanuel Kieß > > Administrator & programmer > Unix / Perl / LaTeX > > mail: <adrian (at) kiess.at> > www: http://www.kiess.at >
