问SAR / syssstat问题

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# sysstat-9.0.4 configuration file.
# How long to keep log files (in days).
# If value is greater than 28, then log files are kept in
# multiple directories, one for each month.
HISTORY=28
# Compress (using gzip or bzip2) sa and sar files older than (in days):
COMPRESSAFTER=31
# Parameters for the system activity data collector (see sadc manual page)
# which are used for the generation of log files.
SADC_OPTIONS="-S DISK"
# Compression program to use.
ZIP="bzip2"


# cat /etc/crond./sysstat
# Run system activity accounting tool every 10 minutes
*/5 * * * * root /usr/lib64/sa/sa1 1 1
# 0 * * * * root /usr/lib64/sa/sa1 600 6 &
# Generate a daily summary of process accounting at 23:53
53 23 * * * root /usr/lib64/sa/sa2 -A

-rw-r--r-- 1 root root 784968 Aug  1 23:55 sa01
-rw-r--r-- 1 root root 703111 Aug  2 23:53 sar02
-rw-r--r-- 1 root root 785016 Aug  2 23:55 sa02
-rw-r--r-- 1 root root 685031 Aug  3 23:53 sar03
-rw-r--r-- 1 root root 761928 Aug  3 23:55 sa03
-rw-r--r-- 1 root root 711740 Aug  4 22:20 sa04

-rw-r--r-- 1 root root 504 Dec 21  2020 sa21
-rw-r--r-- 1 root root 504 Oct 20  2021 sa20
-rw-r--r-- 1 root root 504 Jul 14 21:11 sa14
-rw-r--r-- 1 root root 504 Jul 26 20:53 sa26
-rw-r--r-- 1 root root 504 Aug  4 22:04 sa04