From: Anton Gorlov <stalker@altlinux.ru> To: ALT Linux sysadmin discuss <sysadmins@lists.altlinux.org> Subject: [Sysadmins] ... Date: Mon, 05 Feb 2007 22:21:12 +0300 Message-ID: <45C783A8.3020301@altlinux.ru> (raw) А юзал ли кто-нибудь net.ipv4.tcp_tw_recycle=1 net.ipv4.tcp_tw_reuse=1 ? Есть противопоказания? А то уже вроде всё остальное выкрутил на максимум в sysctl, а всё равно в логах успешно проскакивает Feb 5 21:46:27 multimedia kernel: Out of socket memory Feb 5 21:46:27 multimedia kernel: TCP: too many of orphaned sockets При этом netstat -nap | grep "TIME_WAIT" пока ниразу не ловил более 16-20 (раз в 10 минут пускаю скриптик) и соотвествено положение ручек: cat /etc/sysctl.conf #net.ipv4.conf.all.rp_filter=1 #net.ipv4.conf.all.send_redirects=0 net.ipv4.conf.default.rp_filter=1 net.ipv4.conf.default.forwarding=1 net.ipv4.conf.default.proxy_arp=0 #net.ipv4.conf.default.send_redirects=1 #net.ipv4.ip_forward=1 #kernel.sysrq=1 #added by stalker # Increase number of incoming connections backlog #def 1000 net.core.netdev_max_backlog=2048 # def net.core.dev_weight=64 #def 4096 87380 174760 net.ipv4.tcp_rmem=4096 87380 16777216 #def 4096 16384 131072 net.ipv4.tcp_wmem = 4096 65536 16777216 #def 0 net.ipv4.tcp_rfc1337=1 # Turn off sack net.ipv4.tcp_sack=0 #def 60 net.ipv4.tcp_fin_timeout=20 #def 9 net.ipv4.tcp_keepalive_probes=5 #def 32768 net.ipv4.tcp_max_orphans=32768 #def 10240 net.core.optmem_max=20480 #def 110592 net.core.rmem_default=16777216 #def 131071 net.core.rmem_max=16777216 #def 110592 net.core.wmem_default=16777216 #def 131071 net.core.wmem_max=16777216 #def 128 net.core.somaxconn=500 #def 0 net.ipv4.tcp_orphan_retries = 1 #def 180000 net.ipv4.tcp_max_tw_buckets=540000 #def 1024 #net.ipv4.tcp_max_tw_buckets_ub=540000 #-- OpenVZ begin --# # On Hardware Node we generally need # packet forwarding enabled and proxy arp disabled net.ipv4.ip_forward = 1 net.ipv4.conf.default.proxy_arp = 0 # Enables source route verification net.ipv4.conf.all.rp_filter = 1 # Enables the magic-sysrq key kernel.sysrq = 1 # TCP Explict Congestion Notification #net.ipv4.tcp_ecn = 0 # we do not want all our interfaces to send redirects net.ipv4.conf.default.send_redirects = 1 net.ipv4.conf.all.send_redirects = 0 #-- OpenVZ end --# -- np: silence
next reply other threads:[~2007-02-05 19:21 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2007-02-05 19:21 Anton Gorlov [this message] 2007-02-05 20:53 ` [Sysadmins] Michael Shigorin 2007-02-06 5:47 ` [Sysadmins] Anton Gorlov
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