Changes between Initial Version and Version 1 of sysctl

Timestamp:

03/17/15 17:48:58 (9 years ago)

Author:

sky

Comment:

--

sysctl

@@ +1 @@
+= System configuration & Kernel tweaks =
+
+参数优化：/etc/sysctl.conf
+{{{
+net.ipv4.ip_default_ttl = 255
+net.ipv4.icmp_echo_ignore_broadcasts = 1
+net.ipv4.icmp_ignore_bogus_error_responses = 1
+
+net.ipv4.tcp_max_tw_buckets = 262144
+net.ipv4.ip_local_port_range = 1024  65535
+
+# Do not use swap ASAP
+vm.swappiness = 0
+
+# TCP socket keepalive check every minute, if fail check every 10 seconds and 3 times
+net.ipv4.tcp_keepalive_time = 60
+net.ipv4.tcp_keepalive_intvl = 10
+net.ipv4.tcp_keepalive_probes = 3
+
+net.ipv4.tcp_fin_timeout = 30
+}}}
+
+参数优化：/etc/security/limits.conf
+{{{
+*   -   nofile      65535
+*   -   nproc       65535
+}}}
+
+更多的参数优化，可参考如下：
+http://tengine.taobao.org/document/benchmark.html
+