The Pith of Performance

Possibly pithy insights into computer performance analysis and capacity planning based on the Guerrilla series of books and training classes provided by Performance Dynamics Company.

Wednesday, January 30, 2008

Beware VMWare!

Hot on the heels of the Cisco hyper-mega-switch announcement and Yahoo announcing a reduction in workforce despite increasing profits, com...

Monday, January 28, 2008

Cisco Systems: "It's the switch, stupid!"

Today, Cisco Systems (San Jose, California) announced its mother of all switching platforms, the Nexus 7000 Series , aimed at what it calls...

Friday, January 18, 2008

Scalability Law as Queueing Model Proven

It never rains in California, it just pours. Not only have we had a lot of seasonal rain lately but it seems to be the season for proofs. In...

Wednesday, January 16, 2008

Sun to Purchase MySQL

This could be good news for Oracle. 8-\ Continuing a string of surprising announcements , Sun Microsystems today said it plans to buy the...

Monday, January 14, 2008

What to Do with Wobbly Numbers in PDQ

Peter Altvogt (Germany) reported an interesting numerical effect while using the load-dependent server model in Section 6.7.11 of "Anal...

Saturday, January 12, 2008

Erlang Explained

During the GCaP class, last November, I mentioned to my students that I was working on a more intuitive derivation of the Erlang B and C fo...

Guerrilla Training Schedule for 2008

The preliminary Guerrilla Training Schedule for 2008 has been posted . The embedded PDF includes a brief slide-show of extracts from the va...

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Neil Gunther: Blogger code: B7 d++ t k+ s u-- f i++ o x e+ l- c--;
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