AWS IO benchmarks

gistfile1.txt

EBS optimized r3.xlarge instance with 3.3TB EBS volume attached.

###### Write benchmarks #########
sudo dd bs=1M count=2048 if=/dev/zero of=foo oflag=dsync

## 16GB EBS System Partition
2147483648 bytes (2.1 GB) copied, 51.1244 s, 42.0 MB/s

## 75GB Instance Store
2147483648 bytes (2.1 GB) copied, 24.5199 s, 87.6 MB/s

## 3333GB EBS Volume
2147483648 bytes (2.1 GB) copied, 30.1134 s, 71.3 MB/s

###### Read benchmarks #########
#sudo hdparm -Tt /dev/xvdb

## 16GB EBS System Partition
 Timing cached reads:   19390 MB in  2.00 seconds = 9706.11 MB/sec
 Timing buffered disk reads: 192 MB in  3.03 seconds =  63.45 MB/sec

## 75GB Instance Store
 Timing cached reads:   20126 MB in  2.00 seconds = 10074.56 MB/sec
 Timing buffered disk reads: 358 MB in  3.01 seconds = 119.11 MB/sec

## 3333GB EBS Volume
 Timing cached reads:   20058 MB in  2.00 seconds = 10040.71 MB/sec
 Timing buffered disk reads: 344 MB in  3.02 seconds = 113.83 MB/sec