Hello!
I have a pair of heavy loaded LVS servers. HW configuration: HP ProLiant DL360 G7, 2x X5675 @ 3.07GHz, 16GB RAM, Intel 82599EB 10-Gigabit NIC Linux Kernel 2.6.39.4 was patched to prevent "ip_vs_send_async error" as previously discussed in http://archive.linuxvirtualserver.org/html/lvs-users/2009-12/msg00058.html ipvs_master and ipvs_backup running all the time with the following options master sync daemon (mcast=eth3, syncid=1) backup sync daemon (mcast=eth3, syncid=1) With the default sysctl parameters net.ipv4.vs.sync_threshold = "3 50" there is 60% difference in persistent connections between Master and Backup nodes. After lowering sync_threshold to "2 10" the difference was less than 9%. ipvs_backup process on Backup node use 35% on single CPU core0 with "3 50" ipvs_backup process on Backup node use 50% on single CPU core0 with "2 10" I any case looks like ipvs_backup process will be a bottleneck soon. Is it possible to lower cpu usage of ipvs_backup? Is it possible to distribute cpu usage of ipvs_backup on multiple CPU cores? Best regards, Aleksey _______________________________________________ Please read the documentation before posting - it's available at: http://www.linuxvirtualserver.org/ LinuxVirtualServer.org mailing list - [email protected] Send requests to [email protected] or go to http://lists.graemef.net/mailman/listinfo/lvs-users
