On Tue, 16 Oct 2007, Janar Kartau wrote: > Hi there, > We recently moved several sites from their own dedicated servers to a shared > Apache cluster. All was fine till the last site was migrated... > Now, we see random lockups (loading of the page hangs for a while) which > last up to ~5 seconds.
haven't a clue. Have you done all the right things for a big website? eg enough instances of httpd running? > Seems this only happens under heavier load... which > leads me to the question if it hits some limit or something? I have a link in the HOWTO to the squid performance webpage (which you can probably find directly with google) which tells you how to tweek apache. > I haven't encountered this problem if i browse the real > server directly. Loadbalancer is CentOS 5.0 and Apache > nodes (3 of them) are CentOS 4.5. All sites use LVS-NAT, > persistent connections (1800 secs) and firewall marks (for > ports 80 and 443). nothing to do with your problem, but you could try the -SH scheduler instead of persistence. > No errors in dmesg. Only errors i see right now are a LOT > of "ERR!" state connections in ip_vs_conn (all of which > are IP btw, TCP is fine). Horms (or Graeme) might know what they're about. Joe -- Joseph Mack NA3T EME(B,D), FM05lw North Carolina jmack (at) wm7d (dot) net - azimuthal equidistant map generator at http://www.wm7d.net/azproj.shtml Homepage http://www.austintek.com/ It's GNU/Linux! _______________________________________________ LinuxVirtualServer.org mailing list - [email protected] Send requests to [EMAIL PROTECTED] or go to http://lists.graemef.net/mailman/listinfo/lvs-users
