Install Graphite 0.9.9 on Ubuntu 11.10 on EC2 with NGinx, uwsgi, supervisord, statsite, nagios agent
Scalable realtime stats with Graphite
Getting Your Data Into Graphite
All done on a c1.medium, xfs & ext4 volumes.
4GB write
dd if=/dev/zero of=ddfile.big bs=1MB count=4k
4GB read
dd if=ddfile.big of=/dev/null
# watch the progress
watch -n1 pkill -USR1 dd
4GB write 4096000000 bytes (4.1 GB) copied, 133.974 s, 30.6 MB/s
4GB read 4096000000 bytes (4.1 GB) copied, 32.332 s, 127 MB/s
4GB write 4095663552 bytes (4.1 GB) copied, 85.7042 s, 47.8 MB/s
4GB read 4095999424 bytes (4.1 GB) copied, 36.7292 s, 112 MB/s
4GB write 4096000000 bytes (4.1 GB) copied, 92.5113 s, 44.3 MB/s
4GB read 4096000000 bytes (4.1 GB) copied, 109.419 s, 37.4 MB/s
4GB write 4095962560 bytes (4.1 GB) copied, 93.0888 s, 44.0 MB/s
4GB read 4096000000 bytes (4.1 GB) copied, 36.6244 s, 112 MB/s
4GB write 4096000000 bytes (4.1 GB) copied, 83.5105 s, 49.0 MB/s
4GB read 4096000000 bytes (4.1 GB) copied, 105.82 s, 38.7 MB/s