4 ms·
Those docs refer to ephemeral storage. I haven't seen any claims by Amazon or test results that indicate it is also true for EBS volumes. I have been meaning to
by aolnerd 17y ago
Those docs refer to ephemeral storage. I haven't seen any claims by Amazon or test results that indicate it is also true for EBS volumes. I have been meaning to test this myself.
- spudlyo 17y agogracie:~# time dd if=/dev/zero of=/dev/sdl bs=1024k count=10240 10240+0 records in 10240+0 records out 10737418240 bytes (11 GB) copied, 344.745 seconds, 31.1 MB/s real 5m44.748s user 0m0.025s sys 0m10.152s gracie:~# time dd if=/dev/zero of=/dev/sdl bs=1024k count=10240 10240+0 records in 10240+0 records out 10737418240 bytes (11 GB) copied, 217.106 seconds, 49.5 MB/s real 3m37.125s user 0m0.023s sys 0m10.268s gracie:~# time dd if=/dev/zero of=/dev/sdl bs=1024k count=10240 10240+0 records in 10240+0 records out 10737418240 bytes (11 GB) copied, 247.319 seconds, 43.4 MB/s real 4m7.323s user 0m0.036s sys 0m9.794s EDIT: I ran it a third time just to make sure the results held. I'd still take this with a grain of salt, in my experience EBS i/o results are pretty inconsistent.
- 3ijsflksflk 17y agodata rules