Mailinglist Archive: opensuse (3464 mails)

[Dave Howorth <dhoworth@xxxxxxxxxxxxxxxxx>]

Adam Tauno Williams wrote:
>>>> Is there a command to discover the maximum swap space used? (since boot,
>>>>   or since resetting a counter, for example)
>>> free?
>> free tells me the amount of swap that is available and the amount that
>> is currently in use. AFAIK, it doesn't tell me the maximum that has been
>> used (like a high-water mark). I was hoping to discover some command
>> that did before I resort to scripting.
> 
> To track performance use SNMP + an NMS(1) and/or sar (2).
> 
> (1) http://www.opennms.org
> (2) man sar

sar looks like what I need. Thanks Adam.

The man page seems to indicate that I need to run sar, or one of its
relatives, in the background to produce a stats file that I can then
analyse.

sar is on my machines but there's nothing in /var/log/sa/

I haven't found any indications yet on the best way to set up the
collection process. Is there a YaST feature to do this, for example? Or
a HOW-TO?

Thanks again,
Dave
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