dm-cache性能测试

  • SSD: sandisk x300,256G
  • HDD: 希捷3T桌面盘

x300 单盘性能:

###################### Performance of / ######################
random_read_iops(4k):81083.82
random_read_bw(4k):324335 KB/s
random_write_iops(4k):41442.41
random_write_bw(4k):165769 KB/s
seq_read_iops(512k):964.32
seq_read_bw(512k):482 MB/s
seq_write_iops(512k):511
seq_write_bw(512k):255 MB/s

HDD 单盘性能:

###################### Performance of /mnt/hdd/ ######################
random_read_iops(4k):322.67
random_read_bw(4k):1290 KB/s
random_write_iops(4k):322.43
random_write_bw(4k):1289 KB/s
seq_read_iops(512k):368.89
seq_read_bw(512k):184 MB/s
seq_write_iops(512k):365.68
seq_write_bw(512k):182 MB/s

dmcache = x300 + 4*3T , writethrogh:

###################### Performance of /mnt ######################
random_read_iops(4k):66534.01
random_read_bw(4k):266136 KB/s
random_write_iops(4k):279.68
random_write_bw(4k):1118 KB/s
seq_read_iops(512k):920.8
seq_read_bw(512k):460 MB/s
seq_write_iops(512k):60.77
seq_write_bw(512k):30 MB/s

dmcache = x300+4*3T , writeback:

###################### Performance of /mnt/ ######################
random_read_iops(4k):54094.92
random_read_bw(4k):216379 KB/s
random_write_iops(4k):40928.02
random_write_bw(4k):163712 KB/s
seq_read_iops(512k):889.72
seq_read_bw(512k):444 MB/s
seq_write_iops(512k):469.02
seq_write_bw(512k):234 MB/s
  • storage/缓存技术/dm-cache/dm-cache性能测试.txt
  • 最后更改: 2019/04/16 18:31
  • (外部编辑)