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Changes between Version 47 and Version 48 of jazz/Performance_Tuning


Ignore:
Timestamp:
Dec 12, 2013, 11:17:44 AM (12 years ago)
Author:
jazz
Comment:

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  • jazz/Performance_Tuning

    v47 v48  
    141141== System Performance Tuning : File System ==
    142142
     143 * ([wiki:jazz/10-05-11 2010-05-11])
    143144 * 如何調整每個使用者可以開啟的檔案個數
    144145   * [參考] [http://www.xenoclast.org/doc/benchmark/HTTP-benchmarking-HOWTO/node7.html Increasing the file descriptor limit]
    … …  
    214215-bash: ulimit: open files: cannot modify limit: Operation not permitted
    215216}}}
     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}}}
    216230
    217231== I/O Performance Tuning : NFS ==