測試 GCP 硬碟硬碟效能（同場加映 Vultr）
Photo by Kolleen Gladden 標準永久硬碟 Zonal standard PD 寫入 # hdparm -t --direct /dev/sdc Timing O_DIRECT disk reads: 378 MB in 3.01 seconds = 125.47 MB/sec Timing O_DIRECT disk reads: 380 MB in 3.00 seconds = 126.53 MB/sec Timing O_DIRECT disk reads: 380 MB in 3.00 seconds = 126.66 MB/sec 讀取 # hdparm -t /dev/sdc Timing buffered disk reads: 374 MB in 3.00 seconds = 124.54 MB/sec Timing buffered disk reads: 380 MB in 3.01 seconds = 126.09 MB/sec Timing buffered disk reads: 380 MB in 3.01 seconds = 126.14 MB/sec SSD永久硬碟 Zonal SSD PD 寫入 # hdparm -t --direct /dev/sda2 Timing O_DIRECT disk reads: 738 MB in 3.00 seconds = 245.72 MB/sec Timing O_DIRECT disk reads: 608 MB in 3.02 seconds = 201.53 MB/sec Timing O_DIRECT disk reads: 396 MB in 3.07 seconds = 128.95 MB/sec 讀取 # hdparm -t /dev/sda2 Timing buffered disk reads: 740 MB in 3.00 seconds = 246.42 MB/sec Timing buffered disk reads: 536 MB in 3.07 seconds = 174.81 MB/sec Timing buffered disk rea