Changes between Version 47 and Version 48 of jazz/Performance_Tuning

Timestamp:

Dec 12, 2013, 11:17:44 AM (10 years ago)

Author:

jazz

Comment:

--

jazz/Performance_Tuning

@@ -141 +141 @@
 == System Performance Tuning : File System ==
 
+ * ([wiki:jazz/10-05-11 2010-05-11])
  * 如何調整每個使用者可以開啟的檔案個數
    * [參考] [http://www.xenoclast.org/doc/benchmark/HTTP-benchmarking-HOWTO/node7.html Increasing the file descriptor limit]
@@ -214 +215 @@
 -bash: ulimit: open files: cannot modify limit: Operation not permitted
 }}}
+ * [http://www.hadoop.tw/rafan/2008/09/ 幫 Hadoop HDFS 調整系統資源限制]
+{{{
+#!diff
+--- /etc/security/limits.conf   2010-02-22 11:29:11.000000000 +0800
++++ /etc/security/limits.conf.new       2010-02-22 11:28:33.000000000 +0800
+@@ -49,4 +49,6 @@
+ #ftp             -       chroot          /ftp
+ #@student        -       maxlogins       4
+
++*      soft        nofile        8192
++
+ # End of file
+}}}
 
 == I/O Performance Tuning : NFS ==