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.

Monday, March 23, 2015

Hadoop Scalability Challenges

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Hadoop is hot, not because it necessarily represents cutting edge technology, but because it's being rapidly adopted by more and more co...
Friday, March 20, 2015

Performance Analysis vs. Capacity Planning

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This question came up in a (members only) Linkedin discussion group: Often found a misconception about these terms. I'm sure this must...
Monday, March 9, 2015

Guerrilla Training: New Location

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Finally! We have a new location for our Guerrilla training classes in Pleasanton, California: Sheraton Four Points . We had some complain...
Monday, October 6, 2014

Tactical Capacity Management for Sysadmins at LISA14

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On November 9th I'll be presenting a full-day tutorial on performance analysis and capacity planning at the USENIX Large Scale System A...
Wednesday, August 13, 2014

Intel TSX Multicore Scalability in the Wild

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Multicore processors were introduced to an unsuspecting marketplace more than a decade ago, but really became mainstream circa 2005. Multico...
Wednesday, July 30, 2014

A Little Triplet

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Little's law appears in various guises in performance analysis. It was known to Agner Erlang (the father of queueing theory) in 1909 to...
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Sunday, July 20, 2014

Continuous Integration Gets Performance Testing Radar

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As companies embrace continuous integration (CI) and fast release cycles, a serious problem has emerged in the development pipeline: Conven...
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Neil Gunther
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