Interpret CPU load in cacti graph

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avandi
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Joined: Fri May 01, 2009 8:14 pm

Interpret CPU load in cacti graph

Post by avandi »

I have a graph showing CPU resources around 60% on one system. For system usage, it is less than 10%, the rest are of users access.

If i were to migrate the application(e.g. Oracle) from this system to another system, does that means I needs to cater for 60% of the load in the new system.

I can't figure out the differences between "users" and "system" cpu load.

Anyone can advise?

Many Thanks...
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TheWitness
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Post by TheWitness »

This is somewhat inappropriate for this forum. But in general it all depends on lot's of factors, threads, context switching, I/O wait, disk subsystem configuration, file system types, the list goes on and on. Your iddy biddy "cpu" thingy does not even come close to a "Quantitative" analysis.

TheWitness
True understanding begins only when we realize how little we truly understand...

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Author of dozens of Cacti plugins and customization's. Advocate of LAMP, MariaDB, IBM Spectrum LSF and the world of batch. Creator of IBM Spectrum RTM, author of quite a bit of unpublished work and most of Cacti's bugs.
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