GFS2 use FileBench benchmark on Fedora 20 kernel-3.16 * 2015 1/1 GFS2 / fileserver / 60 seconds / VM to GFS2 only bldsv09 access / VM image on FC statfile1 16217ops 270ops/s 0.0mb/s 0.2ms/op 2155us/op-cpu [0ms - 428ms] deletefile1 16221ops 270ops/s 0.0mb/s 8.4ms/op 6842us/op-cpu [0ms - 2911ms] closefile3 16223ops 270ops/s 0.0mb/s 0.0ms/op 2132us/op-cpu [0ms - 19ms] readfile1 16225ops 270ops/s 34.2mb/s 23.8ms/op 4463us/op-cpu [0ms - 5577ms] openfile2 16237ops 271ops/s 0.0mb/s 0.3ms/op 2175us/op-cpu [0ms - 428ms] closefile2 16243ops 271ops/s 0.0mb/s 0.0ms/op 2114us/op-cpu [0ms - 5ms] appendfilerand1 16245ops 271ops/s 2.1mb/s 49.7ms/op 8875us/op-cpu [0ms - 5643ms] openfile1 16257ops 271ops/s 0.0mb/s 0.3ms/op 2158us/op-cpu [0ms - 425ms] closefile1 16258ops 271ops/s 0.0mb/s 0.0ms/op 2133us/op-cpu [0ms - 9ms] wrtfile1 16262ops 271ops/s 33.9mb/s 1.5ms/op 2783us/op-cpu [0ms - 1806ms] createfile1 16267ops 271ops/s 0.0mb/s 0.9ms/op 2445us/op-cpu [0ms - 428ms] 1093: 127.732: IO Summary: 178655 ops, 2976.451 ops/s, (270/542 r/w), 70.2mb/s, 457us cpu/op, 28.4ms latency * 2015 1/1 GFS2 / fileserver / 60 seconds / only bldsv09 access / FC statfile1 19419ops 324ops/s 0.0mb/s 0.4ms/op 1967us/op-cpu [0ms - 230ms] deletefile1 19419ops 324ops/s 0.0mb/s 8.5ms/op 6421us/op-cpu [0ms - 8915ms] closefile3 19429ops 324ops/s 0.0mb/s 0.0ms/op 1396us/op-cpu [0ms - 0ms] readfile1 19429ops 324ops/s 41.9mb/s 2.9ms/op 6144us/op-cpu [0ms - 8908ms] openfile2 19431ops 324ops/s 0.0mb/s 1.1ms/op 2121us/op-cpu [0ms - 8906ms] closefile2 19432ops 324ops/s 0.0mb/s 0.0ms/op 1438us/op-cpu [0ms - 0ms] appendfilerand1 19432ops 324ops/s 2.5mb/s 8.8ms/op 7417us/op-cpu [0ms - 8912ms] openfile1 19435ops 324ops/s 0.0mb/s 3.1ms/op 2399us/op-cpu [0ms - 8907ms] closefile1 19436ops 324ops/s 0.0mb/s 0.0ms/op 1338us/op-cpu [0ms - 0ms] wrtfile1 19436ops 324ops/s 39.8mb/s 96.0ms/op 120915us/op-cpu [0ms - 9012ms] createfile1 19464ops 324ops/s 0.0mb/s 9.7ms/op 13736us/op-cpu [0ms - 7886ms] 22867: 99.839: IO Summary: 213762 ops, 3562.315 ops/s, (324/648 r/w), 84.3mb/s, 1117us cpu/op, 43.5ms latency * 2015 1/1 GFS2 / fileserver / 60 seconds / docker to only bldsv09 access / FC -v option で /media/fcs へ接続 statfile1 27399ops 457ops/s 0.0mb/s 0.7ms/op 1869us/op-cpu [0ms - 13179ms] deletefile1 27381ops 456ops/s 0.0mb/s 3.6ms/op 6066us/op-cpu [0ms - 13194ms] closefile3 27400ops 457ops/s 0.0mb/s 0.0ms/op 1378us/op-cpu [0ms - 0ms] readfile1 27400ops 457ops/s 59.2mb/s 1.5ms/op 6065us/op-cpu [0ms - 209ms] openfile2 27400ops 457ops/s 0.0mb/s 0.3ms/op 2014us/op-cpu [0ms - 99ms] closefile2 27400ops 457ops/s 0.0mb/s 0.0ms/op 1400us/op-cpu [0ms - 0ms] appendfilerand1 27400ops 457ops/s 3.6mb/s 4.4ms/op 9155us/op-cpu [0ms - 13193ms] openfile1 27400ops 457ops/s 0.0mb/s 0.4ms/op 2048us/op-cpu [0ms - 81ms] closefile1 27400ops 457ops/s 0.0mb/s 0.0ms/op 1341us/op-cpu [0ms - 1ms] wrtfile1 27400ops 457ops/s 56.1mb/s 81.9ms/op 130988us/op-cpu [0ms - 13500ms] createfile1 27439ops 457ops/s 0.0mb/s 6.9ms/op 14198us/op-cpu [0ms - 13186ms] 43: 92.660: IO Summary: 301419 ops, 5023.193 ops/s, (457/913 r/w), 118.9mb/s, 1187us cpu/op, 33.2ms latency * 2015 1/1 GFS2 / fileserver / 60 seconds / bldsv09 access / FC statfile1 26112ops 435ops/s 0.0mb/s 0.2ms/op 1669us/op-cpu [0ms - 291ms] deletefile1 26111ops 435ops/s 0.0mb/s 4.4ms/op 5851us/op-cpu [0ms - 14536ms] closefile3 26114ops 435ops/s 0.0mb/s 0.0ms/op 1187us/op-cpu [0ms - 0ms] readfile1 26114ops 435ops/s 56.1mb/s 5.0ms/op 4831us/op-cpu [0ms - 14540ms] openfile2 26114ops 435ops/s 0.0mb/s 1.4ms/op 1825us/op-cpu [0ms - 14518ms] closefile2 26114ops 435ops/s 0.0mb/s 0.0ms/op 1212us/op-cpu [0ms - 0ms] appendfilerand1 26114ops 435ops/s 3.4mb/s 7.2ms/op 8338us/op-cpu [0ms - 14540ms] openfile1 26115ops 435ops/s 0.0mb/s 1.7ms/op 1891us/op-cpu [0ms - 14519ms] closefile1 26115ops 435ops/s 0.0mb/s 0.0ms/op 1206us/op-cpu [0ms - 0ms] wrtfile1 26115ops 435ops/s 54.1mb/s 76.3ms/op 126556us/op-cpu [0ms - 14636ms] createfile1 26160ops 436ops/s 0.0mb/s 8.7ms/op 13211us/op-cpu [0ms - 14537ms] 18999: 86.335: IO Summary: 287298 ops, 4787.839 ops/s, (435/870 r/w), 113.5mb/s, 1127us cpu/op, 35.0ms latency * 2015 1/6 GFS2 / fileserver / 60 seconds / bldsv10 access / FC statfile1 23738ops 396ops/s 0.0mb/s 1.4ms/op 2917us/op-cpu [0ms - 13948ms] deletefile1 23718ops 395ops/s 0.0mb/s 8.4ms/op 6633us/op-cpu [0ms - 13969ms] closefile3 23739ops 396ops/s 0.0mb/s 0.0ms/op 2433us/op-cpu [0ms - 0ms] readfile1 23739ops 396ops/s 50.9mb/s 5.4ms/op 10531us/op-cpu [0ms - 14041ms] openfile2 23739ops 396ops/s 0.0mb/s 3.8ms/op 2983us/op-cpu [0ms - 13955ms] closefile2 23739ops 396ops/s 0.0mb/s 0.0ms/op 2398us/op-cpu [0ms - 0ms] appendfilerand1 23740ops 396ops/s 3.1mb/s 7.0ms/op 9821us/op-cpu [0ms - 13969ms] openfile1 23742ops 396ops/s 0.0mb/s 1.1ms/op 3156us/op-cpu [0ms - 13949ms] closefile1 23742ops 396ops/s 0.0mb/s 0.0ms/op 2358us/op-cpu [0ms - 0ms] wrtfile1 23743ops 396ops/s 49.2mb/s 56.8ms/op 114702us/op-cpu [0ms - 14031ms] createfile1 23785ops 396ops/s 0.0mb/s 25.1ms/op 16142us/op-cpu [0ms - 13969ms] 5359: 68.172: IO Summary: 261164 ops, 4352.327 ops/s, (396/791 r/w), 103.2mb/s, 1243us cpu/op, 36.3ms latency * 2015 1/6 GFS2 / fileserver / 60 seconds / bldsv10 and bldsv09 access / FC ansible を使った 2 node (bldsv09、bldsv10) から GFS2 上の別ディレクトリへの読み書き 同じディレクトリへは filebench の性質上できなかった ansible -s -i hosts all -a 'filebench -f /home/taira/hg/benchmarks/fileserver.f' --sudo --ask-sudo-pass bldsv09.cr.ie.u-ryukyu.ac.jp /media/fcs/bldsv09 statfile1 2832ops 47ops/s 0.0mb/s 15.2ms/op 5290us/op-cpu [0ms - 5189ms] deletefile1 2830ops 47ops/s 0.0mb/s 40.4ms/op 7021us/op-cpu [0ms - 17584ms] closefile3 2839ops 47ops/s 0.0mb/s 0.0ms/op 1828us/op-cpu [0ms - 0ms] readfile1 2839ops 47ops/s 6.0mb/s 4.8ms/op 2853us/op-cpu [0ms - 1642ms] openfile2 2847ops 47ops/s 0.0mb/s 120.9ms/op 7457us/op-cpu [0ms - 19056ms] closefile2 2852ops 48ops/s 0.0mb/s 0.0ms/op 2002us/op-cpu [0ms - 0ms] appendfilerand1 2852ops 48ops/s 0.4mb/s 40.8ms/op 14246us/op-cpu [0ms - 9765ms] openfile1 2866ops 48ops/s 0.0mb/s 239.1ms/op 12955us/op-cpu [0ms - 19058ms] closefile1 2867ops 48ops/s 0.0mb/s 0.0ms/op 2065us/op-cpu [0ms - 0ms] wrtfile1 2867ops 48ops/s 5.9mb/s 31.5ms/op 12675us/op-cpu [0ms - 5644ms] createfile1 2879ops 48ops/s 0.0mb/s 452.5ms/op 76766us/op-cpu [0ms - 28904ms] 4400: 65.803: IO Summary: 31370 ops, 522.771 ops/s, (47/95 r/w), 12.2mb/s, 1526us cpu/op, 316.6ms latency bldsv10.cr.ie.u-ryukyu.ac.jp /media/fcs/bldsv10 statfile1 4912ops 82ops/s 0.0mb/s 11.9ms/op 2079us/op-cpu [0ms - 4671ms] deletefile1 4891ops 82ops/s 0.0mb/s 71.6ms/op 12556us/op-cpu [0ms - 13723ms] closefile3 4919ops 82ops/s 0.0mb/s 0.0ms/op 1386us/op-cpu [0ms - 0ms] readfile1 4919ops 82ops/s 10.3mb/s 3.1ms/op 2007us/op-cpu [0ms - 6064ms] openfile2 4922ops 82ops/s 0.0mb/s 16.0ms/op 2292us/op-cpu [0ms - 4709ms] closefile2 4926ops 82ops/s 0.0mb/s 0.0ms/op 1303us/op-cpu [0ms - 0ms] appendfilerand1 4926ops 82ops/s 0.6mb/s 28.7ms/op 11045us/op-cpu [0ms - 7014ms] openfile1 4933ops 82ops/s 0.0mb/s 93.4ms/op 2783us/op-cpu [0ms - 15341ms] closefile1 4936ops 82ops/s 0.0mb/s 0.0ms/op 1264us/op-cpu [0ms - 0ms] wrtfile1 4936ops 82ops/s 10.2mb/s 99.5ms/op 75415us/op-cpu [0ms - 10896ms] createfile1 4938ops 82ops/s 0.0mb/s 220.4ms/op 37436us/op-cpu [0ms - 16501ms] 18603: 65.666: IO Summary: 54158 ops, 902.538 ops/s, (82/164 r/w), 21.1mb/s, 1473us cpu/op, 181.6ms latency * 2015 1/12 GFS2 / fileserver / 60 seconds / bldsv10 access / FC http://jpetazzo.github.io/2014/01/29/docker-device-mapper-resize/ を参考に、devicemapper が作る pool を FC 上に変更 1. Stop the Docker daemon. 2. Wipe out /var/lib/docker. (That should sound familiar, right?) 3. Create the storage directory: mkdir -p /var/lib/docker/devicemapper/devicemapper. 4. Create a data symbolic link in that directory, pointing to the device: ln -s /dev/sdb /var/lib/docker/devicemapper/devicemapper/data. 5. Restart Docker. 6. Check with docker info that the Data Space Total value is correct. docker run --privileged -it fedora:20 /bin/bash で docker を実行し filebench を install statfile1 41866ops 698ops/s 0.0mb/s 0.0ms/op 6235us/op-cpu [0ms - 1ms] deletefile1 41869ops 698ops/s 0.0mb/s 0.2ms/op 6971us/op-cpu [0ms - 218ms] closefile3 41874ops 698ops/s 0.0mb/s 0.0ms/op 6054us/op-cpu [0ms - 2ms] readfile1 41881ops 698ops/s 91.0mb/s 8.8ms/op 29662us/op-cpu [0ms - 266ms] openfile2 41886ops 698ops/s 0.0mb/s 0.1ms/op 6587us/op-cpu [0ms - 13ms] closefile2 41890ops 698ops/s 0.0mb/s 0.0ms/op 6085us/op-cpu [0ms - 2ms] appendfilerand1 41895ops 698ops/s 5.4mb/s 2.5ms/op 12903us/op-cpu [0ms - 14ms] openfile1 41900ops 698ops/s 0.0mb/s 0.1ms/op 6640us/op-cpu [0ms - 9ms] closefile1 41904ops 698ops/s 0.0mb/s 0.0ms/op 6122us/op-cpu [0ms - 2ms] wrtfile1 41910ops 698ops/s 86.5mb/s 8.5ms/op 28960us/op-cpu [0ms - 272ms] createfile1 41914ops 699ops/s 0.0mb/s 0.2ms/op 7029us/op-cpu [0ms - 15ms] 35: 76.024: IO Summary: 460789 ops, 7679.141 ops/s, (698/1397 r/w), 182.9mb/s, 1022us cpu/op, 6.8ms latency * 2015 1/13 GFS2 / fileserver / 60 seconds / docker on bldsv09 / FC docker run --privileged -it --name counttime -v /media/fcs:/media/fcs:rw fedora:20 /bin/bash statfile1 41954ops 699ops/s 0.0mb/s 0.0ms/op 6522us/op-cpu [0ms - 1ms] deletefile1 41955ops 699ops/s 0.0mb/s 2.5ms/op 8750us/op-cpu [0ms - 1846ms] closefile3 41962ops 699ops/s 0.0mb/s 0.0ms/op 6413us/op-cpu [0ms - 2ms] readfile1 41972ops 699ops/s 90.8mb/s 7.7ms/op 26537us/op-cpu [0ms - 1897ms] openfile2 41974ops 700ops/s 0.0mb/s 0.1ms/op 6851us/op-cpu [0ms - 8ms] closefile2 41976ops 700ops/s 0.0mb/s 0.0ms/op 6366us/op-cpu [0ms - 1ms] appendfilerand1 41979ops 700ops/s 5.4mb/s 2.4ms/op 12301us/op-cpu [0ms - 1838ms] openfile1 41985ops 700ops/s 0.0mb/s 0.1ms/op 6887us/op-cpu [0ms - 9ms] closefile1 41991ops 700ops/s 0.0mb/s 0.0ms/op 6422us/op-cpu [0ms - 1ms] wrtfile1 41998ops 700ops/s 86.9mb/s 7.4ms/op 26438us/op-cpu [0ms - 623ms] createfile1 42002ops 700ops/s 0.0mb/s 0.3ms/op 7455us/op-cpu [0ms - 622ms] 38: 77.904: IO Summary: 461748 ops, 7695.120 ops/s, (699/1399 r/w), 183.2mb/s, 1022us cpu/op, 6.8ms latency * 2015 1/13 GFS2 / fileserver / 60 seconds / only bldsv09 / FC statfile1 43169ops 719ops/s 0.0mb/s 0.0ms/op 6043us/op-cpu [0ms - 1ms] deletefile1 43172ops 719ops/s 0.0mb/s 1.9ms/op 10613us/op-cpu [0ms - 1977ms] closefile3 43190ops 720ops/s 0.0mb/s 0.0ms/op 5934us/op-cpu [0ms - 1ms] readfile1 43195ops 720ops/s 93.5mb/s 8.8ms/op 29020us/op-cpu [0ms - 221ms] openfile2 43195ops 720ops/s 0.0mb/s 0.0ms/op 6188us/op-cpu [0ms - 6ms] closefile2 43195ops 720ops/s 0.0mb/s 0.0ms/op 5931us/op-cpu [0ms - 0ms] appendfilerand1 43195ops 720ops/s 5.6mb/s 2.2ms/op 11659us/op-cpu [0ms - 27ms] openfile1 43197ops 720ops/s 0.0mb/s 0.1ms/op 6234us/op-cpu [0ms - 6ms] closefile1 43197ops 720ops/s 0.0mb/s 0.0ms/op 5982us/op-cpu [0ms - 2ms] wrtfile1 43197ops 720ops/s 88.9mb/s 8.3ms/op 27852us/op-cpu [0ms - 216ms] createfile1 43202ops 720ops/s 0.0mb/s 0.1ms/op 6510us/op-cpu [0ms - 41ms] 4656: 82.259: IO Summary: 475104 ops, 7917.701 ops/s, (720/1440 r/w), 188.1mb/s, 972us cpu/op, 7.2ms latency * 2015 1/13 GFS2 / fileserver / 60 seconds / VM bldsv09 / FC statfile1 15754ops 261ops/s 0.0mb/s 0.1ms/op 2210us/op-cpu [0ms - 84ms] deletefile1 15754ops 261ops/s 0.0mb/s 4.6ms/op 5418us/op-cpu [0ms - 618ms] closefile3 15768ops 261ops/s 0.0mb/s 0.0ms/op 2173us/op-cpu [0ms - 12ms] readfile1 15768ops 261ops/s 33.5mb/s 21.4ms/op 4264us/op-cpu [0ms - 7800ms] openfile2 15769ops 261ops/s 0.0mb/s 0.2ms/op 2254us/op-cpu [0ms - 278ms] closefile2 15799ops 261ops/s 0.0mb/s 0.0ms/op 2206us/op-cpu [0ms - 5ms] appendfilerand1 15801ops 261ops/s 2.0mb/s 48.0ms/op 7072us/op-cpu [0ms - 7807ms] openfile1 15802ops 261ops/s 0.0mb/s 0.2ms/op 2226us/op-cpu [0ms - 657ms] closefile1 15803ops 261ops/s 0.0mb/s 0.0ms/op 2063us/op-cpu [0ms - 12ms] wrtfile1 15804ops 261ops/s 32.4mb/s 1.2ms/op 2588us/op-cpu [0ms - 3553ms] createfile1 15804ops 261ops/s 0.0mb/s 7.3ms/op 2513us/op-cpu [0ms - 4053ms] 1061: 106.272: IO Summary: 173626 ops, 2872.431 ops/s, (261/523 r/w), 68.0mb/s, 433us cpu/op, 27.7ms latency statfile1 16795ops 280ops/s 0.0mb/s 1.0ms/op 2230us/op-cpu [0ms - 1654ms] deletefile1 16802ops 280ops/s 0.0mb/s 3.9ms/op 4517us/op-cpu [0ms - 2071ms] closefile3 16807ops 280ops/s 0.0mb/s 0.0ms/op 2285us/op-cpu [0ms - 8ms] readfile1 16812ops 280ops/s 36.0mb/s 22.5ms/op 4705us/op-cpu [0ms - 4024ms] openfile2 16820ops 280ops/s 0.0mb/s 0.5ms/op 2262us/op-cpu [0ms - 1650ms] closefile2 16821ops 280ops/s 0.0mb/s 0.0ms/op 2288us/op-cpu [0ms - 4ms] appendfilerand1 16822ops 280ops/s 2.2mb/s 37.7ms/op 6868us/op-cpu [0ms - 4030ms] openfile1 16826ops 280ops/s 0.0mb/s 0.7ms/op 2329us/op-cpu [0ms - 1653ms] closefile1 16830ops 280ops/s 0.0mb/s 0.0ms/op 2258us/op-cpu [0ms - 12ms] wrtfile1 16832ops 280ops/s 34.5mb/s 1.3ms/op 2731us/op-cpu [0ms - 386ms] createfile1 16840ops 281ops/s 0.0mb/s 3.7ms/op 2748us/op-cpu [0ms - 1741ms] 1039: 90.588: IO Summary: 185007 ops, 3082.561 ops/s, (280/561 r/w), 72.7mb/s, 439us cpu/op, 23.8ms latency * 2015 1/14 GFS2 / fileserver / 60 seconds / VM bldsv10 / qcow2 / FC statfile1 15995ops 266ops/s 0.0mb/s 0.2ms/op 2216us/op-cpu [0ms - 1842ms] deletefile1 16001ops 267ops/s 0.0mb/s 4.9ms/op 5053us/op-cpu [0ms - 2983ms] closefile3 16011ops 267ops/s 0.0mb/s 0.0ms/op 2162us/op-cpu [0ms - 6ms] readfile1 16017ops 267ops/s 33.8mb/s 23.3ms/op 4302us/op-cpu [0ms - 2322ms] openfile2 16020ops 267ops/s 0.0mb/s 0.3ms/op 2232us/op-cpu [0ms - 1842ms] closefile2 16023ops 267ops/s 0.0mb/s 0.0ms/op 2148us/op-cpu [0ms - 4ms] appendfilerand1 16025ops 267ops/s 2.1mb/s 38.2ms/op 6767us/op-cpu [0ms - 2407ms] openfile1 16031ops 267ops/s 0.0mb/s 0.1ms/op 2205us/op-cpu [0ms - 68ms] closefile1 16033ops 267ops/s 0.0mb/s 0.0ms/op 2132us/op-cpu [0ms - 6ms] wrtfile1 16035ops 267ops/s 32.9mb/s 1.3ms/op 2710us/op-cpu [0ms - 781ms] createfile1 16041ops 267ops/s 0.0mb/s 11.4ms/op 2653us/op-cpu [0ms - 2284ms] 1037: 95.813: IO Summary: 176232 ops, 2936.273 ops/s, (267/534 r/w), 68.8mb/s, 433us cpu/op, 26.5ms latency * 2015 1/14 GFS2 / fileserver / 60 seconds / VM bldsv10 bldsv09 / qcow2 / FC bldsv10_guest statfile1 14297ops 238ops/s 0.0mb/s 0.1ms/op 2154us/op-cpu [0ms - 52ms] deletefile1 14297ops 238ops/s 0.0mb/s 7.0ms/op 5717us/op-cpu [0ms - 2275ms] closefile3 14297ops 238ops/s 0.0mb/s 0.0ms/op 2059us/op-cpu [0ms - 8ms] readfile1 14297ops 238ops/s 30.4mb/s 30.9ms/op 4364us/op-cpu [0ms - 5291ms] openfile2 14316ops 239ops/s 0.0mb/s 0.2ms/op 2193us/op-cpu [0ms - 72ms] closefile2 14316ops 239ops/s 0.0mb/s 0.0ms/op 2144us/op-cpu [0ms - 8ms] appendfilerand1 14316ops 239ops/s 1.9mb/s 47.9ms/op 7242us/op-cpu [0ms - 4896ms] openfile1 14347ops 239ops/s 0.0mb/s 0.1ms/op 2192us/op-cpu [0ms - 89ms] closefile1 14347ops 239ops/s 0.0mb/s 0.0ms/op 2159us/op-cpu [0ms - 12ms] wrtfile1 14347ops 239ops/s 29.7mb/s 1.9ms/op 2786us/op-cpu [0ms - 600ms] createfile1 14347ops 239ops/s 0.0mb/s 5.2ms/op 2361us/op-cpu [0ms - 3196ms] 1950: 70.157: IO Summary: 157524 ops, 2624.795 ops/s, (238/478 r/w), 62.0mb/s, 442us cpu/op, 31.1ms latency bldsv09_guest statfile1 13237ops 221ops/s 0.0mb/s 0.1ms/op 2123us/op-cpu [0ms - 175ms] deletefile1 13239ops 221ops/s 0.0mb/s 6.8ms/op 5756us/op-cpu [0ms - 2830ms] closefile3 13242ops 221ops/s 0.0mb/s 0.0ms/op 2106us/op-cpu [0ms - 30ms] readfile1 13247ops 221ops/s 28.0mb/s 33.4ms/op 4085us/op-cpu [0ms - 9190ms] openfile2 13253ops 221ops/s 0.0mb/s 0.3ms/op 2255us/op-cpu [0ms - 331ms] closefile2 13257ops 221ops/s 0.0mb/s 0.0ms/op 2171us/op-cpu [0ms - 6ms] appendfilerand1 13260ops 221ops/s 1.7mb/s 59.4ms/op 7233us/op-cpu [0ms - 9181ms] openfile1 13265ops 221ops/s 0.0mb/s 0.1ms/op 2164us/op-cpu [0ms - 330ms] closefile1 13269ops 221ops/s 0.0mb/s 0.0ms/op 2170us/op-cpu [0ms - 6ms] wrtfile1 13272ops 221ops/s 27.6mb/s 1.2ms/op 2544us/op-cpu [0ms - 402ms] createfile1 13279ops 221ops/s 0.0mb/s 0.7ms/op 2370us/op-cpu [0ms - 339ms] 1858: 64.261: IO Summary: 145820 ops, 2429.379 ops/s, (221/442 r/w), 57.3mb/s, 441us cpu/op, 34.0ms latency