Dear Matt, > We recently had the same issue crop up on our pdns cache servers. We > noticed a few users were pounding the servers pretty good with > requests most likely from a virus on their machines. > > The one thing that we noticed was that the pdns process was hitting a > file descriptor limit when this log message would appear. We have > since upped the limit ( ulimit -n 32768) and things appear to be > running better. But there may be a small file descriptor leak that is > causing this behavior. > > Pdns_recursor —version-string returns: > <snip> > Aug 09 14:42:46 PowerDNS recursor 3.1.3 (C) 2001-2006 PowerDNS.COM BV > (Nov 28 2006, 01:15:47, gcc 4.1.2 20061115 (prerelease) (SUSE Linux)) > starting up > </snip> > I thank you for this advice, I will check it tommorw. On this systems run only a recursor. I started with many stress tests some month ago, I checked cpu and memory, but there were no problems. This systems get normally 200 request/second, I think this is really low traffic.
Best regards, thomas polnik. _______________________________________________ Pdns-users mailing list [email protected] http://mailman.powerdns.com/mailman/listinfo/pdns-users
