Changes between Version 3 and Version 4 of jazz/Performance_Tuning

Timestamp:

May 11, 2010, 12:31:52 PM (15 years ago)

Author:

jazz

Comment:

--

jazz/Performance_Tuning

@@ -3 +3 @@
 == System Performance Tuning : Memory ==
 
- * 
+ * Share Memory
+{{{
+echo "kernel.shmall = 796917578" >> /etc/sysctl.conf
+echo "kernel.shmmax = 796917578" >> /etc/sysctl.conf
+echo "kernel.shmmni = 4096"      >> /etc/sysctl.conf
+}}}
 
-== File System Performance Tuning ==
+== System Performance Tuning : File System ==
 
  * /etc/security/limits.conf - 每個程序(process)可以開啟檔案的個數(number limits of open files per process)
@@ -21 +26 @@
 }}}
 
-
 == I/O Performance Tuning ==
 
@@ -28 +32 @@
  * TCP Tuning
 {{{
-echo 262144 > /proc/sys/net/core/rmem_default
-echo 8388608 > /proc/sys/net/core/wmem_max 131071
-echo 8388608 > /proc/sys/net/core/rmem_max
+echo 262144               > /proc/sys/net/core/rmem_default
+echo 8388608              > /proc/sys/net/core/wmem_max
+echo 8388608              > /proc/sys/net/core/rmem_max
 echo "4096 87380 4194304" > /proc/sys/net/ipv4/tcp_rmem
 echo "4096 65536 4194304" > /proc/sys/net/ipv4/tcp_wmem