-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Are you using unconnected mode or connected mode? With connected mode you can up your MTU to 64K which may help on the network side. - ---------------- Robert LeBlanc PGP Fingerprint 79A2 9CA4 6CC4 45DD A904 C70E E654 3BB2 FA62 B9F1 On Mon, Nov 23, 2015 at 10:40 AM, German Anders wrote: > Hi Mark, > > Thanks a lot for the quick response. Regarding the numbers that you send me, > they look REALLY nice. I've the following setup > > 4 OSD nodes: > > 2 x Intel Xeon E5-2650v2 @2.60Ghz > 1 x Network controller: Mellanox Technologies MT27500 Family [ConnectX-3] > Dual-Port (1 for PUB and 1 for CLUS) > 1 x SAS2308 PCI-Express Fusion-MPT SAS-2 > 8 x Intel SSD DC S3510 800GB (1 OSD on each drive + journal on the same > drive, so 1:1 relationship) > 3 x Intel SSD DC S3710 200GB (to be used maybe as a cache tier) > 128GB RAM > > [0:0:0:0] disk ATA INTEL SSDSC2BA20 0110 /dev/sdc > [0:0:1:0] disk ATA INTEL SSDSC2BA20 0110 /dev/sdd > [0:0:2:0] disk ATA INTEL SSDSC2BA20 0110 /dev/sde > [0:0:3:0] disk ATA INTEL SSDSC2BB80 0130 /dev/sdf > [0:0:4:0] disk ATA INTEL SSDSC2BB80 0130 /dev/sdg > [0:0:5:0] disk ATA INTEL SSDSC2BB80 0130 /dev/sdh > [0:0:6:0] disk ATA INTEL SSDSC2BB80 0130 /dev/sdi > [0:0:7:0] disk ATA INTEL SSDSC2BB80 0130 /dev/sdj > [0:0:8:0] disk ATA INTEL SSDSC2BB80 0130 /dev/sdk > [0:0:9:0] disk ATA INTEL SSDSC2BB80 0130 /dev/sdl > [0:0:10:0] disk ATA INTEL SSDSC2BB80 0130 /dev/sdm > > sdf 8:80 0 745.2G 0 disk > |-sdf1 8:81 0 740.2G 0 part > /var/lib/ceph/osd/ceph-16 > `-sdf2 8:82 0 5G 0 part > sdg 8:96 0 745.2G 0 disk > |-sdg1 8:97 0 740.2G 0 part > /var/lib/ceph/osd/ceph-17 > `-sdg2 8:98 0 5G 0 part > sdh 8:112 0 745.2G 0 disk > |-sdh1 8:113 0 740.2G 0 part > /var/lib/ceph/osd/ceph-18 > `-sdh2 8:114 0 5G 0 part > sdi 8:128 0 745.2G 0 disk > |-sdi1 8:129 0 740.2G 0 part > /var/lib/ceph/osd/ceph-19 > `-sdi2 8:130 0 5G 0 part > sdj 8:144 0 745.2G 0 disk > |-sdj1 8:145 0 740.2G 0 part > /var/lib/ceph/osd/ceph-20 > `-sdj2 8:146 0 5G 0 part > sdk 8:160 0 745.2G 0 disk > |-sdk1 8:161 0 740.2G 0 part > /var/lib/ceph/osd/ceph-21 > `-sdk2 8:162 0 5G 0 part > sdl 8:176 0 745.2G 0 disk > |-sdl1 8:177 0 740.2G 0 part > /var/lib/ceph/osd/ceph-22 > `-sdl2 8:178 0 5G 0 part > sdm 8:192 0 745.2G 0 disk > |-sdm1 8:193 0 740.2G 0 part > /var/lib/ceph/osd/ceph-23 > `-sdm2 8:194 0 5G 0 part > > > $ rados bench -p rbd 20 write --no-cleanup -t 4 > Maintaining 4 concurrent writes of 4194304 bytes for up to 20 seconds or 0 > objects > Object prefix: benchmark_data_cibm01_1409 > sec Cur ops started finished avg MB/s cur MB/s last lat avg lat > 0 0 0 0 0 0 - 0 > 1 4 121 117 467.894 468 0.0337203 0.0336809 > 2 4 244 240 479.895 492 0.0304306 0.0330524 > 3 4 372 368 490.559 512 0.0361914 0.0323822 > 4 4 491 487 486.899 476 0.0346544 0.0327169 > 5 4 587 583 466.302 384 0.110718 0.0342427 > 6 4 701 697 464.575 456 0.0324953 0.0343136 > 7 4 811 807 461.053 440 0.0400344 0.0345994 > 8 4 923 919 459.412 448 0.0255677 0.0345767 > 9 4 1032 1028 456.803 436 0.0309743 0.0349256 > 10 4 1119 1115 445.917 348 0.229508 0.0357856 > 11 4 1222 1218 442.826 412 0.0277902 0.0360635 > 12 4 1315 1311 436.919 372 0.0303377 0.0365673 > 13 4 1424 1420 436.842 436 0.0288001 0.03659 > 14 4 1524 1520 434.206 400 0.0360993 0.0367697 > 15 4 1632 1628 434.054 432 0.0296406 0.0366877 > 16 4 1740 1736 433.921 432 0.0310995 0.0367746 > 17 4 1836 1832 430.98 384 0.0250518 0.0370169 > 18 4 1941 1937 430.366 420 0.027502 0.0371341 > 19 4 2049 2045 430.448 432 0.0260257 0.0370807 > 2015-11-23 12:10:58.587087min lat: 0.0229266 max lat: 0.27063 avg lat: > 0.0373936 > sec Cur ops started finished avg MB/s cur MB/s last lat avg lat > 20 4 2141 2137 427.322 368 0.0351276 0.0373936 > Total time run: 20.186437 > Total writes made: 2141 > Write size: 4194304 > Bandwidth (MB/sec): 424.245 > > Stddev Bandwidth: 102.136 > Max bandwidth (MB/sec): 512 > Min bandwidth (MB/sec): 0 > Average Latency: 0.0376536 > Stddev Latency: 0.032886 > Max latency: 0.27063 > Min latency: 0.0229266 > > > $ rados bench -p rbd 20 seq --no-cleanup -t 4 > sec Cur ops started finished avg MB/s cur MB/s last lat avg lat > 0 0 0 0 0 0 - 0 > 1 4 394 390 1559.52 1560 0.0148888 0.0102236 > 2 4 753 749 1496.68 1436 0.0129162 0.0106595 > 3 4 1137 1133 1509.65 1536 0.0101854 0.0105731 > 4 4 1526 1522 1521.17 1556 0.0122154 0.0103827 > 5 4 1890 1886 1508.07 14560.00825445 0.0105908 > Total time run: 5.675418 > Total reads made: 2141 > Read size: 4194304 > Bandwidth (MB/sec): 1508.964 > > Average Latency: 0.0105951 > Max latency: 0.211469 > Min latency: 0.00603694 > > > I'm not even close to those numbers that you are getting... :( any ideas? or > hints? Also I've configured NOOP as the scheduler for all the SSD disks. I > don't know really what else to look for, in order to improve performance and > get some similar numbers from what you are getting > > > Thanks in advance, > > Cheers, > > > German > > 2015-11-23 13:32 GMT-03:00 Mark Nelson : >> >> Hi German, >> >> I don't have exactly the same setup, but on the ceph community cluster I >> have tests with: >> >> 4 nodes, each of which are configured in some tests with: >> >> 2 x Intel Xeon E5-2650 >> 1 x Intel XL710 40GbE (currently limited to about 2.5GB/s each) >> 1 x Intel P3700 800GB (4 OSDs per card using 4 data and 4 journal >> partitions) >> 64GB RAM >> >> With filestore, I can get an aggregate throughput of: >> >> 1MB randread: 8715.3MB/s >> 4MB randread: 8046.2MB/s >> >> This is with 4 fio instances on the same nodes as the OSDs using the fio >> librbd engine. >> >> A couple of things I would suggest trying: >> >> 1) See how rados bench does. This is an easy test and you can see how >> different the numbers look. >> >> 2) try fio with librbd to see if it might be a qemu limitation. >> >> 3) Assuming you are using IPoIB, try some iperf tests to see how your >> network is doing. >> >> Mark >> >> >> On 11/23/2015 10:17 AM, German Anders wrote: >>> >>> Thanks a lot for the quick update Greg. This lead me to ask if there's >>> anything out there to improve performance in an Infiniband environment >>> with Ceph. In the cluster that I mentioned earlier. I've setup 4 OSD >>> server nodes nodes each with 8 OSD daemons running with 800x Intel SSD >>> DC S3710 disks (740.2G for OSD and 5G for Journal) and also using IB FDR >>> 56Gb/s for the PUB and CLUS network, and I'm getting the following fio >>> numbers: >>> >>> >>> # fio --rw=randread --bs=1m --numjobs=4 --iodepth=32 --runtime=22 >>> --time_based --size=16777216k --loops=1 --ioengine=libaio --direct=1 >>> --invalidate=1 --fsync_on_close=1 --randrepeat=1 --norandommap >>> --group_reporting --exitall --name >>> dev-ceph-randread-1m-4thr-libaio-32iodepth-22sec >>> --filename=/mnt/rbd/test1 >>> dev-ceph-randread-1m-4thr-libaio-32iodepth-22sec: (g=0): rw=randread, >>> bs=1M-1M/1M-1M/1M-1M, ioengine=libaio, iodepth=32 >>> ... >>> dev-ceph-randread-1m-4thr-libaio-32iodepth-22sec: (g=0): rw=randread, >>> bs=1M-1M/1M-1M/1M-1M, ioengine=libaio, iodepth=32 >>> fio-2.1.3 >>> Starting 4 processes >>> dev-ceph-randread-1m-4thr-libaio-32iodepth-22sec: Laying out IO file(s) >>> (1 file(s) / 16384MB) >>> Jobs: 4 (f=4): [rrrr] [33.8% done] [1082MB/0KB/0KB /s] [1081/0/0 iops] >>> [eta 00m:45s] >>> dev-ceph-randread-1m-4thr-libaio-32iodepth-22sec: (groupid=0, jobs=4): >>> err= 0: pid=63852: Mon Nov 23 10:48:07 2015 >>> read : io=21899MB, bw=988.23MB/s, iops=988, runt= 22160msec >>> slat (usec): min=192, max=186274, avg=3990.48, stdev=7533.77 >>> clat (usec): min=10, max=808610, avg=125099.41, stdev=90717.56 >>> lat (msec): min=6, max=809, avg=129.09, stdev=91.14 >>> clat percentiles (msec): >>> | 1.00th=[ 27], 5.00th=[ 38], 10.00th=[ 45], 20.00th=[ >>> 61], >>> | 30.00th=[ 74], 40.00th=[ 85], 50.00th=[ 100], 60.00th=[ >>> 117], >>> | 70.00th=[ 141], 80.00th=[ 174], 90.00th=[ 235], 95.00th=[ >>> 297], >>> | 99.00th=[ 482], 99.50th=[ 578], 99.90th=[ 717], 99.95th=[ >>> 750], >>> | 99.99th=[ 775] >>> bw (KB /s): min=134691, max=335872, per=25.08%, avg=253748.08, >>> stdev=40454.88 >>> lat (usec) : 20=0.01% >>> lat (msec) : 10=0.02%, 20=0.27%, 50=12.90%, 100=36.93%, 250=41.39% >>> lat (msec) : 500=7.59%, 750=0.84%, 1000=0.05% >>> cpu : usr=0.11%, sys=26.76%, ctx=39695, majf=0, minf=405 >>> IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.3%, 32=99.4%, >>> >=64=0.0% >>> submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >>> >=64=0.0% >>> complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.1%, 64=0.0%, >>> >=64=0.0% >>> issued : total=r=21899/w=0/d=0, short=r=0/w=0/d=0 >>> >>> Run status group 0 (all jobs): >>> READ: io=21899MB, aggrb=988.23MB/s, minb=988.23MB/s, >>> maxb=988.23MB/s, mint=22160msec, maxt=22160msec >>> >>> Disk stats (read/write): >>> rbd1: ios=43736/163, merge=0/5, ticks=3189484/15276, >>> in_queue=3214988, util=99.78% >>> >>> >>> >>> ############################################################################################################################################################ >>> >>> >>> # fio --rw=randread --bs=4m --numjobs=4 --iodepth=32 --runtime=22 >>> --time_based --size=16777216k --loops=1 --ioengine=libaio --direct=1 >>> --invalidate=1 --fsync_on_close=1 --randrepeat=1 --norandommap >>> --group_reporting --exitall --name >>> dev-ceph-randread-4m-4thr-libaio-32iodepth-22sec >>> --filename=/mnt/rbd/test2 >>> >>> fio-2.1.3 >>> Starting 4 processes >>> dev-ceph-randread-4m-4thr-libaio-32iodepth-22sec: Laying out IO file(s) >>> (1 file(s) / 16384MB) >>> Jobs: 4 (f=4): [rrrr] [28.7% done] [894.3MB/0KB/0KB /s] [223/0/0 iops] >>> [eta 00m:57s] >>> dev-ceph-randread-4m-4thr-libaio-32iodepth-22sec: (groupid=0, jobs=4): >>> err= 0: pid=64654: Mon Nov 23 10:51:58 2015 >>> read : io=18952MB, bw=876868KB/s, iops=214, runt= 22132msec >>> slat (usec): min=518, max=81398, avg=18576.88, stdev=14840.55 >>> clat (msec): min=90, max=1915, avg=570.37, stdev=166.51 >>> lat (msec): min=123, max=1936, avg=588.95, stdev=169.19 >>> clat percentiles (msec): >>> | 1.00th=[ 258], 5.00th=[ 343], 10.00th=[ 383], 20.00th=[ >>> 437], >>> | 30.00th=[ 482], 40.00th=[ 519], 50.00th=[ 553], 60.00th=[ >>> 594], >>> | 70.00th=[ 627], 80.00th=[ 685], 90.00th=[ 775], 95.00th=[ >>> 865], >>> | 99.00th=[ 1057], 99.50th=[ 1156], 99.90th=[ 1680], 99.95th=[ >>> 1860], >>> | 99.99th=[ 1909] >>> bw (KB /s): min= 5665, max=383251, per=24.61%, avg=215755.74, >>> stdev=61735.70 >>> lat (msec) : 100=0.02%, 250=0.80%, 500=33.88%, 750=53.31%, >>> 1000=10.26% >>> lat (msec) : 2000=1.73% >>> cpu : usr=0.07%, sys=12.52%, ctx=32466, majf=0, minf=372 >>> IO depths : 1=0.1%, 2=0.2%, 4=0.3%, 8=0.7%, 16=1.4%, 32=97.4%, >>> >=64=0.0% >>> submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >>> >=64=0.0% >>> complete : 0=0.0%, 4=99.9%, 8=0.0%, 16=0.0%, 32=0.1%, 64=0.0%, >>> >=64=0.0% >>> issued : total=r=4738/w=0/d=0, short=r=0/w=0/d=0 >>> >>> Run status group 0 (all jobs): >>> READ: io=18952MB, aggrb=876868KB/s, minb=876868KB/s, >>> maxb=876868KB/s, mint=22132msec, maxt=22132msec >>> >>> Disk stats (read/write): >>> rbd1: ios=37721/177, merge=0/5, ticks=3075924/11408, >>> in_queue=3097448, util=99.77% >>> >>> >>> Can anyone share some results from a similar environment? >>> >>> Thanks in advance, >>> >>> Best, >>> >>> ** >>> >>> *German* >>> >>> 2015-11-23 13:08 GMT-03:00 Gregory Farnum >> >: >>> >>> On Mon, Nov 23, 2015 at 10:05 AM, German Anders >>> > wrote: >>> > Hi all, >>> > >>> > I want to know if there's any improvement or update regarding ceph >>> 0.94.5 >>> > with accelio, I've an already configured cluster (with no data on >>> it) and I >>> > would like to know if there's a way to 'modify' the cluster in >>> order to use >>> > accelio. Any info would be really appreciated. >>> >>> The XioMessenger is still experimental. As far as I know it's not >>> expected to be stable any time soon and I can't imagine it will be >>> backported to Hammer even when done. >>> -Greg >>> >>> >>> >>> >>> _______________________________________________ >>> ceph-users mailing list >>> ceph-users@xxxxxxxxxxxxxx >>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@xxxxxxxxxxxxxx >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -----BEGIN PGP SIGNATURE----- Version: Mailvelope v1.2.3 Comment: https://www.mailvelope.com wsFcBAEBCAAQBQJWU1WqCRDmVDuy+mK58QAAo5cQALjuZB+dyjbcRDyScvj/ qjurMqCHlScgG9U8CE4L6/E/QUfCNmdvE4KaeQC82oj/SplXYOuglTHJkUMg KPyjb9jJs+ZyS560IoUB/l/XQZpO9WL+DNnSAg96Hpb3eG+G5jukW9/E/QHQ aDjn/c1njEqUhxMAosUFZR58CxejyyI5Vr/SXX+oE6y2tCF31Z3KPiOVTOtj BPIx74xpigXMSP+zaK4UelhjPzrRnefkN2sLpQS5uwJlOY1f35KoM3dX+LHO 2BWpyrLUtL6ZzpalKr/QbaWko1VM109vjAoPZ3X82ig9DZp2DW8ZVX4abVcy +Zyre4SCncKFJZcL9VkQHPJxRFhqXHC43mpSHIKmhuhmGVwr9ngiKGUY1Q7t O0aks06KHfqSRxjWmuhtP0eMLwsH7gLAEqqtAjnIhRTCDDkhRdp/MdZJ7ftO LHF9+Eqdp/KiVrGK7BX9zwVshr608bR4g7JCfK4/ukSHXOWFVR6GZ8jue85q e6dWhHsdwrPt1QnSrfhnKjoMdhTpvPVzlxqo2jHDXEyE57RxW/zXr776HxcQ cISj4zDZ0nGZ1F8w4DdB0ql8CpsCDAEoaNG0ZQPXcItyrHIB0lFOJYDi5m+4 YqOCG8TWh7b28IbEEwwUSpx3pi2iyH0ObJZM5dgf62AOCKCEsixf+UguFVwd /jdL =6LtO -----END PGP SIGNATURE----- _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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