4 nodes

Testgroup "current"
===   1 file series   ===
1 file, 1 thread, seq 1M writes, simple: 19 write iops (10% HDD)
1 file, 1 thread, rnd 16k writes, simple: 268 write iops (37% HDD)
1 file, 1 thread, rnd 16k writes, simple, take 2: 264 write iops (40% HDD)
1 file, 16 threads, rnd 4k writes, posixaio: 335 write iops (95% HDD)
1 file, 16 threads, rnd 8k writes, posixaio: 348 write iops (82% HDD)
1 file, 16 threads, rnd 16k writes, posixaio: 280 write iops (62% HDD)
1 file, 16 threads, rnd 16k writes, posixaio, take 2: 312 write iops (61% HDD)
===  16 file series   ===
16 files, 1 thread each, seq 1M writes, simple: 25 write iops (16% HDD)
16 files, 1 thread each, rnd 16k writes, simple: 2594 write iops (396% HDD)
16 files, 1 thread each, rnd 16k writes, simple, take 2: 1121 write iops (178% HDD)
16 files, 1 thread each, rnd 16k writes, posixaio: 842 write iops (180% HDD)
16 files, 16 threads each, rnd 16k writes, posixaio: 4824 write iops (898% HDD)
16 files, 16 threads each, rnd 16k writes, posixaio, take 2: 4992 write iops (996% HDD)
===   O_SYNC series   ===
1 file, 1 thread, rnd 16k writes, simple, o_sync: 269 write iops (173% HDD)
1 file, 16 threads, rnd 16k writes, posixaio, o_sync: 264 write iops (109% HDD)
16 files, 1 thread each, rnd 16k writes, simple, o_sync: 1078 write iops (213% HDD)
16 files, 16 threads each, rnd 16k writes, posixaio, o_sync: 1008 write iops (198% HDD)
===    read series    ===
1 file, 1 thread, seq 1M reads, simple: 3 read iops (0% HDD)
1 file, 16 threads, rnd 16k reads, posixaio: 370 read iops (216% HDD)
16 files, 1 thread each, seq 1M reads, simple: 104 read iops (2% HDD)
16 files, 1 thread each, rnd 16k reads, posixaio: 67170 read iops (14291% HDD)
16 files, 16 threads each, rnd 16k reads, posixaio: 72861 read iops (14689% HDD)
=== native aio series ===
1 file, 16 threads, rnd 16k writes, native aio: 280 write iops (45% HDD)
16 files, 16 threads each, rnd 16k writes, native aio: 2827 write iops (564% HDD)
1 file, 16 threads, rnd 16k reads, native aio: 365 read iops (278% HDD)
16 files, 16 threads each, rnd 16k reads, native aio: 80553 read iops (16306% HDD)
Tests complete on karatasi @ 2019-09-22 12:11:31.
Files remain. To clean up, add argument "cleanup".
kenneth@karatasi:/mnt/liz-client/backup> ./storage-tuner-benchmark here . 
Running tests in "./stb-testdir" on karatasi @ 2019-09-23 22:24:04 ...
storage-tuner-benchmark version 2.1.0
Testgroup "current"
===   1 file series   ===
1 file, 1 thread, seq 1M writes, simple: 9 write iops (4% HDD)
1 file, 1 thread, rnd 16k writes, simple: 272 write iops (38% HDD)
1 file, 1 thread, rnd 16k writes, simple, take 2: 276 write iops (41% HDD)
1 file, 16 threads, rnd 4k writes, posixaio: 412 write iops (117% HDD)
1 file, 16 threads, rnd 8k writes, posixaio: 389 write iops (91% HDD)
1 file, 16 threads, rnd 16k writes, posixaio: 308 write iops (68% HDD)
1 file, 16 threads, rnd 16k writes, posixaio, take 2: 325 write iops (64% HDD)
===  16 file series   ===
16 files, 1 thread each, seq 1M writes, simple: 19 write iops (12% HDD)
16 files, 1 thread each, rnd 16k writes, simple: 1919 write iops (293% HDD)
16 files, 1 thread each, rnd 16k writes, simple, take 2: 1367 write iops (218% HDD)
16 files, 1 thread each, rnd 16k writes, posixaio: 1181 write iops (253% HDD)
16 files, 16 threads each, rnd 16k writes, posixaio: 5032 write iops (937% HDD)
16 files, 16 threads each, rnd 16k writes, posixaio, take 2: 4982 write iops (994% HDD)
===   O_SYNC series   ===
1 file, 1 thread, rnd 16k writes, simple, o_sync: 177 write iops (114% HDD)
1 file, 16 threads, rnd 16k writes, posixaio, o_sync: 168 write iops (69% HDD)
16 files, 1 thread each, rnd 16k writes, simple, o_sync: 994 write iops (196% HDD)
16 files, 16 threads each, rnd 16k writes, posixaio, o_sync: 1009 write iops (198% HDD)
===    read series    ===
1 file, 1 thread, seq 1M reads, simple: 5 read iops (0% HDD)
1 file, 16 threads, rnd 16k reads, posixaio: 420 read iops (245% HDD)
16 files, 1 thread each, seq 1M reads, simple: 6 read iops (0% HDD)
16 files, 1 thread each, rnd 16k reads, posixaio: 55074 read iops (11717% HDD)
16 files, 16 threads each, rnd 16k reads, posixaio: 58892 read iops (11873% HDD)
=== native aio series ===
1 file, 16 threads, rnd 16k writes, native aio: 212 write iops (34% HDD)
16 files, 16 threads each, rnd 16k writes, native aio: 2972 write iops (593% HDD)
1 file, 16 threads, rnd 16k reads, native aio: 429 read iops (327% HDD)
16 files, 16 threads each, rnd 16k reads, native aio: 64134 read iops (12982% HDD)
Tests complete on karatasi @ 2019-09-23 22:27:45.
Files remain. To clean up, add argument "cleanup".

storage-tuner-benchmark version 2.1.0
Testgroup "current"
===   1 file series   ===
1 file, 1 thread, seq 1M writes, simple: 20 write iops (11% HDD)
1 file, 1 thread, rnd 16k writes, simple: 270 write iops (37% HDD)
1 file, 1 thread, rnd 16k writes, simple, take 2: 245 write iops (37% HDD)
1 file, 16 threads, rnd 4k writes, posixaio: 356 write iops (101% HDD)
1 file, 16 threads, rnd 8k writes, posixaio: 332 write iops (78% HDD)
1 file, 16 threads, rnd 16k writes, posixaio: 313 write iops (70% HDD)
1 file, 16 threads, rnd 16k writes, posixaio, take 2: 298 write iops (59% HDD)
===  16 file series   ===
16 files, 1 thread each, seq 1M writes, simple: 28 write iops (18% HDD)
16 files, 1 thread each, rnd 16k writes, simple: 2603 write iops (398% HDD)
16 files, 1 thread each, rnd 16k writes, simple, take 2: 873 write iops (139% HDD)
16 files, 1 thread each, rnd 16k writes, posixaio: 974 write iops (209% HDD)
16 files, 16 threads each, rnd 16k writes, posixaio: 3089 write iops (575% HDD)
16 files, 16 threads each, rnd 16k writes, posixaio, take 2: 4961 write iops (990% HDD)
===   O_SYNC series   ===
1 file, 1 thread, rnd 16k writes, simple, o_sync: 265 write iops (170% HDD)
1 file, 16 threads, rnd 16k writes, posixaio, o_sync: 274 write iops (113% HDD)
16 files, 1 thread each, rnd 16k writes, simple, o_sync: 968 write iops (191% HDD)
16 files, 16 threads each, rnd 16k writes, posixaio, o_sync: 846 write iops (166% HDD)
===    read series    ===
1 file, 1 thread, seq 1M reads, simple: 4 read iops (0% HDD)
1 file, 16 threads, rnd 16k reads, posixaio: 356 read iops (208% HDD)
16 files, 1 thread each, seq 1M reads, simple: 165 read iops (4% HDD)
16 files, 1 thread each, rnd 16k reads, posixaio: 58710 read iops (12491% HDD)
16 files, 16 threads each, rnd 16k reads, posixaio: 62699 read iops (12640% HDD)
=== native aio series ===
1 file, 16 threads, rnd 16k writes, native aio: 260 write iops (42% HDD)
16 files, 16 threads each, rnd 16k writes, native aio: 3222 write iops (643% HDD)
1 file, 16 threads, rnd 16k reads, native aio: 363 read iops (277% HDD)
16 files, 16 threads each, rnd 16k reads, native aio: 72852 read iops (14747% HDD)
Tests complete on karatasi @ 2019-09-25 20:32:59.
Files remain. To clean up, add argument "cleanup".