Admin:Performance statistics

Scratch performance data for capacity planning.


 * http://ganglia.toolserver.org/

Databases:

This is peak 60-second data, taken on May 19 2010. Average throughput may be lower

IO:


 * thyme, s1: iops about 1500 read, 150 write, 10MB/s read, 4MB/s write. 100% busy, asvc_t 15.0, actual requirement may be more
 * rosemary, s1-fast: iops about 50 read, 100 write, 1MB/s read, 2MB/s write. ~30% busy, asvc_t 2.5
 * daphne, s2+s5: iops about 300 read, 200 write, 10MB/s read, 5MB/s write. ~80% busy, asvc_t 5.5
 * cassia, s3+s6: iops about 400 read, 200 write, 10MB/s read, 6MB/s write. ~50% busy, asvc_t 4.0
 * yarrow, s2-fast+s5-fast: iops about 40 read, 100 write, 0.5MB/s read, 2MB/s write. ~20% busy, asvc_t 1.9
 * hyacinth, s3-fast+s6-fast: iops about 50 read, 50 write, 1MB/s read, 1MB/s write. ~20% busy, asvc_t 2.0

Total: iops about 2300 read, 750 write, 32.5MB/s read, 20MB/s write

CPU:


 * thyme, 10% user, 2% system (8x 3GHz Xeon E5450 core)
 * daphne, 4% user, 2% system (8x 3GHz Xeon E5450 core)
 * hyacinth, 2% user, 3% system (8x 3GHz Xeon E5450 core)
 * cassia, 6% user, 3% system (8x 3GHz Xeon E5450 core)
 * yarrow, 1% user, 3% system (4x 2GHz Xeon 5130 core)
 * rosemary, 7% user, 2% system (8x 3GHz Xeon E5450 core)

Total meaningless number: 5% user, 2.5% system of 44 2.91GHz cores

Storage:


 * thyme, 603G used
 * rosemary, 561G used
 * daphne, 600G used
 * cassia, 726G used
 * yarrow, 466G used
 * hyacinth, 709G used

Total: 3,665G (3.58T)

User-store:

Home: 329G used, iops about 100 read, 800 write, 500K/s read, 1500K/s write. 50% busy, asvc_t = 0.9


 * See also: Admin:IO stats