RE: A Challenge

Ethan,  

1. Are you looking for a sustained LA >= 8?
2. During the 60 minute period, are you looking at a harmonic mean for the time period, or an arithmetic mean?
3. Do you account for standard deviation?

-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Post, Ethan Sent: Monday, November 14, 2005 12:18 PM To: oracle-l_at_freelists.org
Subject: A Challenge

This is just for fun, I have a solution but wondering what others would do. I will post mine later.  

Task:
Monitor load average on a unix host.  

Requirements:
* Notify me via email when load exceeds 8 for more than 60 minutes.

• After initial alert do not alert me again for at least 2 hours unless the load falls below 8 before the 2 hours expires.
• Log the load to a file for historical purposes.
• Alert me when the load falls back below 8.

Challenge:
Can you come up with a solution to this problem using existing scripts/utilities (home grown or otherwise)? Ideally lines/$$ required to implement the better. Just wondering what others might do.    

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