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.

Friday, June 25, 2010

Velocity 2010 The Aftermathglow

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I was so impressed with Velocity 2009, I really wanted to present something at Velocity 2010. Thread-limited scalability of memcached Wo...
Tuesday, June 22, 2010

Linear Modeling in R and the Hubble Bubble

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Here is a scatter plot with the coordinate labels deliberately omitted. Figure 1. Do you see any trends? How would you model these data?...
1 comment:
Monday, June 21, 2010

Memcached and Friends at Velocity 2010

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This is the week. Starts tomorrow and it's sold out! Click on the image for details Shanti and I will be presenting at 1300 on Thurs...
Thursday, June 17, 2010

Playing with Primes in R (Part II)

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Popping Part III off the stack—where I ended up unexpectedly discovering that the primes and primlist functions are broken in the schoolm...
10 comments:
Sunday, June 13, 2010

Primes in R (Part III): Schoolmath is Broken!

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Here we are in Part III. Wait!? What happened to Parts I and II? Well, I started to write an article about Amdahl's law, parallelism and...
4 comments:
Tuesday, June 8, 2010

Go Guerrill-R on Your Data in August

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Guerrill- R , get it? Register now for the Guerrilla Data Analysis Techniques (GDAT) class to be held during the week of August 9-13, 2010....
Sunday, June 6, 2010

Calculating the Cost of Elastic Capacity

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Neal Richter sent me the following tweet Unfortunately, the paper ("Optimal staffing policy for queuing systems with cyclic demands,...
6 comments:
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Neil Gunther
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