8 5.4 : 1,4 IOPS! , , — . v5.4 - 8/ .
e2k 5.4, 2021 , , , .
5.4 , , :
:
- -, IO ;
- ;
- — (LCC 1.25).
:
- -, IO ;
- – .
, . , FC- , 12 SAS SSD .
:
- Linux- (2xIntel Xeon E5-2603 v4 (6 cores, 1,70Ghz), 64 GB DDR4, 2xFC- 16G 2 ) – 1.
- FC 16G – 1 .
- 2-12 (2x 8 (8 cores, 1,20Ghz), 32 GB DDR3, 2xFE FC-adaptor 16G 2 port, 12xSAS SSD 960 GB) — 1
.
Flexible IO (FIO).
ALL-Flash . DDP (Dynamic Disk Pool). LUN- RAID-10 (8 . 500 ).
LUN- (, 4 ), .
, :
4k
- 100%_read_4k_sequential
- 100%_write_4k_sequential
4k
- 100%_read_4k_random
- 100%_write_4k_random
128k
- 100%_read_128k_sequential
- 100%_write_128k_sequential
, , .
, , RAM- , -, . ( ). RAM , .. , . RAM-, . RAM – . RAM-, , . - .
, , FIO.
[global]
blocksize=4k
size=80%
direct=1
buffered=0
ioengine=libaio
iodepth=128
group_reporting
rw=read
numjobs=16
runtime=2400
time_based=1
per_job_logs=0
log_avg_msec=30000
write_bw_log=./logs/read-iodepth-128-numjobs-16
write_iops_log=./logs/read-iodepth-128-numjobs-16
write_lat_log=./logs/read-iodepth-128-numjobs-16
[job-1]
filename=/dev/sdj
[job-2]
filename=/dev/sdc
[job-3]
filename=/dev/sdd
[job-4]
filename=/dev/sde
[job-5]
filename=/dev/sdf
[job-6]
filename=/dev/sdg
[job-7]
filename=/dev/sdh
[job-8]
filename=/dev/sdi
[global]
blocksize=4k
size=80%
direct=1
buffered=0
ioengine=libaio
iodepth=128
group_reporting
rw=write
numjobs=16
runtime=2400
time_based=1
write_bw_log=./logs/4k-seq-write.results
write_iops_log=./logs/4k-seq-write.results
write_lat_log=./logs/4k-seq-write.results
[job-1]
filename=/dev/sdj
[job-2]
filename=/dev/sdc
[job-3]
filename=/dev/sdd
[job-4]
filename=/dev/sde
[job-5]
filename=/dev/sdf
[job-6]
filename=/dev/sdg
[job-7]
filename=/dev/sdh
[job-8]
filename=/dev/sdi
[global]
blocksize=4k
size=80%
direct=1
buffered=0
ioengine=libaio
iodepth=64
group_reporting
rw=randread
numjobs=2
runtime=2400
time_based=1
per_job_logs=0
log_avg_msec=30000
write_bw_log=./logs/4k-rand-read.results
write_iops_log=./logs/4k-rand-read.results
write_lat_log=./logs/4k-rand-read.results
[job-1]
filename=/dev/sdc
[job-2]
filename=/dev/sdd
[job-3]
filename=/dev/sde
[job-4]
filename=/dev/sdf
[job-5]
filename=/dev/sdg
[job-6]
filename=/dev/sdh
[job-7]
filename=/dev/sdi
[job-8]
filename=/dev/sdj
[global]
blocksize=4k
size=80%
direct=1
buffered=0
ioengine=libaio
iodepth=16
group_reporting
rw=randwrite
numjobs=2
runtime=2400
time_based=1
per_job_logs=0
log_avg_msec=30000
write_bw_log=./logs/4k-rand-write.results
write_iops_log=./logs/4k-rand-write.results
write_lat_log=./logs/4k-rand-write.results
[job-1]
filename=/dev/sdc
[job-2]
filename=/dev/sdd
[job-3]
filename=/dev/sde
[job-4]
filename=/dev/sdf
[job-5]
filename=/dev/sdg
[job-6]
filename=/dev/sdh
[job-7]
filename=/dev/sdi
[job-8]
filename=/dev/sdj
[global]
blocksize=128k
size=80%
direct=1
buffered=0
ioengine=libaio
iodepth=128
group_reporting
rw=read
numjobs=16
runtime=2400
time_based=1
per_job_logs=0
log_avg_msec=30000
write_bw_log=./logs/128k-seq-read.results
write_iops_log=./logs/128k-seq-read.results
write_lat_log=./logs/128k-seq-read.results
[job-1]
filename=/dev/sdj
[job-2]
filename=/dev/sdc
[job-3]
filename=/dev/sdd
[job-4]
filename=/dev/sde
[job-5]
filename=/dev/sdf
[job-6]
filename=/dev/sdg
[job-7]
filename=/dev/sdh
[job-8]
filename=/dev/sdi
[global]
blocksize=128k
size=80%
direct=1
buffered=0
ioengine=libaio
iodepth=16
group_reporting
rw=write
numjobs=2
runtime=2400
time_based=1
per_job_logs=0
log_avg_msec=30000
write_bw_log=./logs/128k-seq-write.results
write_iops_log=./logs/128k-seq-write.results
write_lat_log=./logs/128k-seq-write.results
[job-1]
filename=/dev/sdj
[job-2]
filename=/dev/sdc
[job-3]
filename=/dev/sdd
[job-4]
filename=/dev/sde
[job-5]
filename=/dev/sdf
[job-6]
filename=/dev/sdg
[job-7]
filename=/dev/sdh
[job-8]
4k
100%_read_4k_sequential
CPU RAM
- , IOPS latency
100%_write_4k_sequential
CPU RAM
- , IOPS latency
:
4k , !1,4 ! IOPS 700k . 4,19 (371k 233k IOPS), , .
CPU, 20% (69/71% 76/92%).
, , , , , . , 4,19.
4k
100%_read_4k_random
CPU RAM
- , IOPS latency
100%_write_4k_random
CPU RAM
- , IOPS latency
:
, . , 118k IOPS 84k IOPS CPU.
, 100% ( ). , 95% : 1) ; 2) . .
. , , , (3 8 ), , . - , , .
128k
100%_read_128k_sequential
CPU RAM
- , IOPS latency
100%_write_128k_sequential
CPU RAM
- , IOPS latency
:
, . (0,4-0,5 5 – 6 x-86).
, . (5,7 / 5.4 2,6 / 4.19) 0,3 ! (52% 5,4 75% 4,19).
. , , . 11 ( 0,5 ), , .. . – , . - . (74% 95%).
8 , 5.4
5.4 – , 5.4 –
, 8, 4.19
5.4 – , 5.4 –
! 5.4 8 (2016 . ). , – IOPS – .
, , , -, , ..
, , , .
( ), , , .
– 21- 16, , , , - , , ( vAIR?))).
! «» vAIR, ( ), -.
. , .