Changes between Version 47 and Version 48 of jazz/Performance_Tuning
- Timestamp:
- Dec 12, 2013, 11:17:44 AM (11 years ago)
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jazz/Performance_Tuning
v47 v48 141 141 == System Performance Tuning : File System == 142 142 143 * ([wiki:jazz/10-05-11 2010-05-11]) 143 144 * 如何調整每個使用者可以開啟的檔案個數 144 145 * [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 215 216 }}} 217 * [http://www.hadoop.tw/rafan/2008/09/ 幫 Hadoop HDFS 調整系統資源限制] 218 {{{ 219 #!diff 220 --- /etc/security/limits.conf 2010-02-22 11:29:11.000000000 +0800 221 +++ /etc/security/limits.conf.new 2010-02-22 11:28:33.000000000 +0800 222 @@ -49,4 +49,6 @@ 223 #ftp - chroot /ftp 224 #@student - maxlogins 4 225 226 +* soft nofile 8192 227 + 228 # End of file 229 }}} 216 230 217 231 == I/O Performance Tuning : NFS ==