Differences

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--- linux:benchmark [2009/03/19 12:38]
a + latencytop
+++ linux:benchmark [2010/08/18 14:57] (current)
a
@@ Line 172: / Line 172: @@
+==== Measuring Disk IO Performance (alternative) ====
+see: http://benjamin-schweizer.de/measuring-disk-io-performance.html \\
+files: http://benjamin-schweizer.de/files/iops/ \\
+\\
+**Performance on AWS**
+<code>
+EBS blocks ..
+root@api:~# ./iops-2010-08-12 --num_threads 1 --time 2 /dev/sdf
+/dev/sdf, 107.37 GB, 1 threads:
+   B blocks:   24.9 IO/s,  12.5 KiB/s (102.2 kbit/s)
+KiB blocks:   84.3 IO/s,  84.3 KiB/s (690.9 kbit/s)
+KiB blocks:  107.6 IO/s, 215.1 KiB/s (  1.8 Mbit/s)
+KiB blocks:   96.9 IO/s, 387.6 KiB/s (  3.2 Mbit/s)
+KiB blocks:   97.0 IO/s, 776.3 KiB/s (  6.4 Mbit/s)
+KiB blocks:   55.5 IO/s, 888.5 KiB/s (  7.3 Mbit/s)
+KiB blocks:    9.0 IO/s, 287.7 KiB/s (  2.4 Mbit/s)
+KiB blocks:   44.4 IO/s,   2.8 MiB/s ( 23.3 Mbit/s)
+KiB blocks:   53.3 IO/s,   6.7 MiB/s ( 55.9 Mbit/s)
+KiB blocks:   47.4 IO/s,  11.9 MiB/s ( 99.5 Mbit/s)
+KiB blocks:   29.0 IO/s,  14.5 MiB/s (121.5 Mbit/s)
+MiB blocks:   24.0 IO/s,  24.0 MiB/s (201.3 Mbit/s)
+MiB blocks:   20.9 IO/s,  41.7 MiB/s (350.0 Mbit/s)
+MiB blocks:   12.2 IO/s,  48.7 MiB/s (408.7 Mbit/s)
+MiB blocks:    8.4 IO/s,  67.6 MiB/s (566.8 Mbit/s)
+MiB blocks:    2.1 IO/s,  33.9 MiB/s (284.3 Mbit/s)
+MiB blocks:    0.8 IO/s,  25.4 MiB/s (213.4 Mbit/s)
+MNT default device
+[root@process3 ~]# ./iops-2010-08-12 --num_threads 1 --time 2 /dev/sdb
+/dev/sdb, 440.20 GB, 1 threads:
+   B blocks: 1259.6 IO/s, 629.8 KiB/s (  5.2 Mbit/s)
+KiB blocks: 1216.9 IO/s,   1.2 MiB/s ( 10.0 Mbit/s)
+KiB blocks: 1441.9 IO/s,   2.8 MiB/s ( 23.6 Mbit/s)
+KiB blocks:  927.2 IO/s,   3.6 MiB/s ( 30.4 Mbit/s)
+KiB blocks: 1384.7 IO/s,  10.8 MiB/s ( 90.7 Mbit/s)
+KiB blocks: 1109.9 IO/s,  17.3 MiB/s (145.5 Mbit/s)
+KiB blocks: 1161.7 IO/s,  36.3 MiB/s (304.5 Mbit/s)
+KiB blocks: 1068.0 IO/s,  66.7 MiB/s (559.9 Mbit/s)
+KiB blocks:  685.9 IO/s,  85.7 MiB/s (719.2 Mbit/s)
+KiB blocks:  623.5 IO/s, 155.9 MiB/s (  1.3 Gbit/s)
+KiB blocks:  578.6 IO/s, 289.3 MiB/s (  2.4 Gbit/s)
+MiB blocks:  432.2 IO/s, 432.2 MiB/s (  3.6 Gbit/s)
+MiB blocks:  201.3 IO/s, 402.6 MiB/s (  3.4 Gbit/s)
+MiB blocks:  141.8 IO/s, 567.3 MiB/s (  4.8 Gbit/s)
+MiB blocks:   72.8 IO/s, 582.2 MiB/s (  4.9 Gbit/s)
+MiB blocks:   39.9 IO/s, 638.4 MiB/s (  5.4 Gbit/s)
+MiB blocks:   18.0 IO/s, 575.7 MiB/s (  4.8 Gbit/s)
+MiB blocks:    9.2 IO/s, 588.2 MiB/s (  4.9 Gbit/s)
+MiB blocks:    4.6 IO/s, 584.2 MiB/s (  4.9 Gbit/s)
+MiB blocks:    2.1 IO/s, 547.7 MiB/s (  4.6 Gbit/s)
+MiB blocks:    1.1 IO/s, 558.4 MiB/s (  4.7 Gbit/s)
+GiB blocks:    0.5 IO/s, 523.8 MiB/s (  4.4 Gbit/s)
+</code>