mario heimel writes: > Hi. > > i am very interested in ZFS compression on vs off tests maybe you can run > another one with the 3510. > > i have seen a slightly benefit with compression on in the following test > (also with high system load): > S10U2 > v880 8xcore 16Ggb ram > (only six internal disks at this moment, i wait for the san luns -;) > > filebench/varmail test with default parameter and run for 60 seconds > > zpool create lzp raidz c0t2d0 c0t3d0 c0t4d0 c0t5d0 > > ZFS compression on > IO Summary: 284072 ops 4688.6 ops/s, (721/722 r/w) 24.2mb/s, 544us > cpu/op, 10.2ms latency > IO Summary: 295985 ops 4887.7 ops/s, (752/752 r/w) 25.2mb/s, 539us > cpu/op, 9.8ms latency > IO Summary: 337249 ops 5568.1 ops/s, (857/857 r/w) 28.5mb/s, 529us > cpu/op, 8.6ms latency > IO Summary: 306231 ops 5055.1 ops/s, (778/778 r/w) 25.9mb/s, 531us > cpu/op, 9.4ms latency > > > ZFS compression off > IO Summary: 284828 ops 4701.8 ops/s, (723/724 r/w) 24.0mb/s, 553us > cpu/op, 10.2ms latency > IO Summary: 276570 ops 4565.5 ops/s, (702/703 r/w) 23.3mb/s, 543us > cpu/op, 10.5ms latency > IO Summary: 276570 ops 4565.5 ops/s, (702/703 r/w) 23.3mb/s, 543us > cpu/op, 10.5ms latency > IO Summary: 264656 ops 4370.3 ops/s, (672/673 r/w) 22.1mb/s, 546us > cpu/op, 11.1ms latency > IO Summary: 264656 ops 4370.3 ops/s, (672/673 r/w) 22.1mb/s, 546us > cpu/op, 11.1ms latency > > > test under heavy avg. system load 9 > > compression on > IO Summary: 285405 ops 4701.3 ops/s, (723/724 r/w) 22.9mb/s, 5370us > cpu/op, 10.1ms latency > IO Summary: 285946 ops 4719.5 ops/s, (726/726 r/w) 23.3mb/s, 5342us > cpu/op, 10.0ms latency > IO Summary: 307347 ops 5074.4 ops/s, (781/781 r/w) 24.6mb/s, 4964us > cpu/op, 9.3ms latency > IO Summary: 271030 ops 4472.6 ops/s, (688/688 r/w) 22.1mb/s, 5650us > cpu/op, 10.5ms latency > > compression off > IO Summary: 277434 ops 4579.8 ops/s, (705/705 r/w) 22.6mb/s, 5520us > cpu/op, 10.4ms latency > IO Summary: 259470 ops 4283.9 ops/s, (659/659 r/w) 21.2mb/s, 5913us > cpu/op, 11.2ms latency > IO Summary: 272979 ops 4506.2 ops/s, (693/693 r/w) 22.0mb/s, 5601us > cpu/op, 10.4ms latency > IO Summary: 271089 ops 4475.8 ops/s, (689/689 r/w) 22.2mb/s, 5644us > cpu/op, 10.6ms latency > > > This message posted from opensolaris.org > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Beware that filebench creates zero-filled files which compress rather well. YMMV. -r _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
