-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi Markus, What is the I/O subsystem? On that good cpu the bottleneck would be i/o operations I presume. Cheers, - -Nik Markus Fischer wrote: > Hi, > > I've yet to support one vserver with a very old mail server installation > still running which often brings down my whole system to it's knees, > load rising up to 10 or 15 and rendering the system more or less unusable. > > I'm running 2.6.22.19 with 2.2.0.7. > > I tried to configure the vserver (mail01) to only use parts of the > resources, but maybe I failed here. > > The host system is a Primergy RX200 S3 Xeon Dual-Core DP with 4GB RAM > (it's showing four CPUs) > > mail01 has rlimits/rss.hard set to 131072 (512MB) and > > # cat sched/fill-rate > 1 > > # cat sched/interval > 8 > > The idea is it to give the vserver an 1/8th of the RAM and an 1/8th of > the available CPUs. We're having about 10 vserver running, most of them > idle anyway, but some do cron jobs and to vast amount of bzip2ing. > > The other server (mngr01) which runs a few cron/bzip2 jobs has the > following rlimits: > > # cat rlimits/rss.hard > 524288 > # cat rlimits/rss.soft > 262144 > > and scheduling > > # cat sched/fill-rate > 1 > # cat sched/interval > 6 > > So it is given a bit more CPU time. The bzip2 jobs are running with > niceness 19 already, but I get the impression that it doesn't change a > thing. > > bzip2 jobs always make the system very unresponsive the moment they > start. Is it maybe just not possible to properly schedule them? We're > using -9 compression to save disc space. > > Thanks for any advice! > > - Markus -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iQEVAwUBSFEVGzFLYVOGGjgXAQL75Qf+KTu0qkdrne1PR96lLu3sZmhQeQlu2pgM NtA1pqeJxWggsvM/dD+Krky3QeINMszOwA7KHKuuxHkcKwaPxK/Qzk1WIe47zxUn AJSldKi38DVFKWuet4p+FTARMIc3Xd2setcUHH6umEHlwBazRu53H4ipdYRjiijl KGsQFILqarnBceRA+35dNlinsTkBuC//+U5NVpQRopNLZz3HNAqtkpO8s/mqKWnM tesz5vmL+dCWsiM1PLXPFt6gDwd6XHjdQrp7rloqDkhqsVoqryVK5yK7TFpAC+eE XKHYV6Guk1I57q288EUMcD+6EFGtqTCmgPcyOgeVuPYCn00pgBgrLg== =DVDt -----END PGP SIGNATURE-----