“ 目录RHCA - 12 系统监控 - 3 _etc_sysconfig_sysstat ”配置项作用HISTORY保存历史数据的天数默认为28天COMPRESSAFTER当数据文件创建时间和当前时间相差多少天后对数据文件进行压缩默认为31天SADC_OPTIONSsar命令收集性能数据时的选项-S收集系统性能数据DISK收集磁盘性能数据ZIP指定对数据文件进行压缩的工具[rootwuzuniao ~]# yum -y install sysstat #安装sar命令所属软件包通常系统都会自带[rootwuzuniao ~]# cat -n /etc/sysconfig/sysstat #查看默认配置文件1 # sysstat-10.1.5 configuration file.23 # How long to keep log files (in days).4 # If value is greater than 28, then log files are kept in5 # multiple directories, one for each month.6 HISTORY2878 # Compress (using gzip or bzip2) sa and sar files older than (in days):9 COMPRESSAFTER311011 # Parameters for the system activity data collector (see sadc manual page)12 # which are used for the generation of log files.13 SADC_OPTIONS-S DISK1415 # Compression program to use.16 ZIPbzip217[rootwuzuniao ~]#