Pi3のアップデートが糞遅いので調査。比較としてPi4の結果から(Pi3はまだ測定中)
Pi4
Card CSD status register: MID: 3 OID: SD PNM: SB16G PRV: 8.0 MDATE: 12/2017
Card SCR status register: SD Physical Version Specification: 5
MicroSD information: Clock Speed: 50.0 - Manufacturer: SanDisk - Model: SB16G - Vendor: - Product: SD - HW Version: 0x8 - FW Version: 0x0 - Date Manufactured: 12/2017 - Class: A1 Class 10
Category Test Result
HDParm Disk Read 35.12 MB/sec
HDParm Cached Disk Read 31.62 MB/sec
DD Disk Write 7.2 MB/s
FIO 4k random read 2541 IOPS (10166 KB/s)
FIO 4k random write 565 IOPS (2261 KB/s)
IOZone 4k read 9690 KB/s
IOZone 4k write 4105 KB/s
IOZone 4k random read 7505 KB/s
IOZone 4k random write 3812 KB/s
Score: 1051Pi3
Card CSD status register: MID: 2 OID: TM PNM: SA32G PRV: 2.4 MDATE: 5/2016
Card SCR status register: SD Physical Version Specification: 3
MicroSD information: Clock Speed: 50.0 - Manufacturer: Toshiba - Model: SA32G - Vendor: - Product: SD - HW Version: 0x2 - FW Version: 0x4 - Date Manufactured: 05/2016 - Class: Class 10 U1
Category Test Result
HDParm Disk Read 21.65 MB/sec
HDParm Cached Disk Read 20.83 MB/sec
DD Disk Write 7.5 MB/s
FIO 4k random read 2093 IOPS (8374 KB/s)
FIO 4k random write 27 IOPS (111 KB/s)
IOZone 4k read 7244 KB/s
IOZone 4k write 1618 KB/s
IOZone 4k random read 6067 KB/s
IOZone 4k random write 108 KB/s
Score: 505なるほど。ランダムライトが糞過ぎるってことかぁ。つかClassAxにしないとダメっぽいね。年始でPCショップ行くだろうから安いA1当たりと交換するかな
Pi2(自宅鯖:参考)
※bootのみSDカードでその他は2.5インチHDDのハイブリッド
Category Test Result
HDParm Disk Read 25.47 MB/sec
HDParm Cached Disk Read 28.32 MB/sec
DD Disk Write 29.3 MB/s
FIO 4k random read 127 IOPS (511 KB/s)
FIO 4k random write 359 IOPS (1439 KB/s)
IOZone 4k read 10281 KB/s
IOZone 4k write 8775 KB/s
IOZone 4k random read 502 KB/s
IOZone 4k random write 1375 KB/s
Score: 689やべぇ。HDDに負けてるわｗ
