1. Community: Performance
   1. Announcements
   2. News
   3. Blogs
   4. Discussions
   5. OpenSolaris NUMA project
      1. Observability
         1. DTrace scripts
         2. APIs
         3. Debugging
         4. Wish list
         5. Tools
            1. lgrpinfo(1)
               1. lgrpinfo(1M) man page
            2. plgrp(1)
               1. plgrp(1M) proposed man page.
            3. pmadvise(1)
               1. pmadvise(1) manual
            4. pmap(1)
               1. PSARC proposal for pmap extensions (draft)
            5. Perl lgroup module
               1. Sun::Solaris::Lgrp - Perl interface to Solaris liblgrp(3LIB) library.
            6. ps(1)
            7. prstat(1)
            8. NUMA Observability Tools PSARC case
            9. Instructions for downloading tools
      2. Improved Latency Discovery
      3. 8 CPU chip Opteron
      4. Load Balancing
   6. libMicro
      1. Sample Comparison
   7. FileBench
      1. Sample Comparison
      2. Quick Start Guide to FileBench
         1. Example Comparison of the multistreamread.f workload
      3. Gotchas
   8. Events
   9. Leaders
   10. Technical Documents
   11. Observers
   12. Files
   13. Roles and Grants

Throughput breakdown (ops per second)

Workload	UFS s10nolog	UFS s10log
fileserver	11353	12214
fmicro_create100files	1653	4973
fmicro_create128k	62	62
fmicro_create128kdsync	7	11
fmicro_createfsync	11728	10775
fmicro_createrand	92	92
fmicro_createsync	7	11
fmicro_rread2k	571	2244
fmicro_rread2kcached	1416	2326
fmicro_rwrite2kdsync	972	693
fmicro_rwrite2kdsync4thread	479	395
fmicro_rwrite8kfsynccached	4418	4353
fmicro_seqread32k	1994	1999
fmicro_seqread32kcached	4008	4022
fmicro_seqwrite32k	4424	4453
fmicro_seqwrite32kdsync	203	314
fmicro_seqwriterand8k	12771	12922
fmicro_unlink1g	2	2
large_db_oltp_2k_cached	4592	2101
large_db_oltp_2k_uncached	24088	24060
large_db_oltp_8k_cached	11345	6598
large_db_oltp_8k_uncached	22655	22951
small_db_oltp_2k_cached	18566	9447
small_db_oltp_2k_uncached	29537	29268
small_db_oltp_8k_cached	19225	8929
small_db_oltp_8k_uncached	29673	29160
varmail	3702	10463
webproxy	6492	13279
webserver	12408	5146

Bandwidth breakdown (MB/s)

Workload	UFS s10nolog	UFS s10log
fileserver	35	38
fmicro_create100files	0	1
fmicro_create128k	62	62
fmicro_create128kdsync	7	11
fmicro_createfsync	91	84
fmicro_createrand	46	46
fmicro_createsync	7	11
fmicro_rread2k	1	4
fmicro_rread2kcached	2	4
fmicro_rwrite2kdsync	1	1
fmicro_rwrite2kdsync4thread	0	0
fmicro_rwrite8kfsynccached	33	33
fmicro_seqread32k	61	62
fmicro_seqread32kcached	124	124
fmicro_seqwrite32k	138	139
fmicro_seqwrite32kdsync	6	9
fmicro_seqwriterand8k	99	100
large_db_oltp_2k_cached	9	4
large_db_oltp_2k_uncached	46	46
large_db_oltp_8k_cached	88	51
large_db_oltp_8k_uncached	176	178
small_db_oltp_2k_cached	36	18
small_db_oltp_2k_uncached	59	57
small_db_oltp_8k_cached	150	70
small_db_oltp_8k_uncached	231	227
varmail	22	65
webproxy	16	36
webserver	6	2

Latency breakdown (ms per op)

Workload	UFS s10nolog	UFS s10log
fileserver	2.7	1.2
__openfile2	0.1	0.1
__statfile1	0.1	0.1
__appendfilerand1	0.6	5.0
__closefile2	0.0	0.0
__deletefile1	20.5	3.6
__readfile1	0.4	0.5
__closefile1	0.1	0.1
__openfile1	0.1	0.1
fmicro_create100files	0.3	0.1
__closefile1	0.0	0.0
__createfile1	1.1	0.2
__writefile1	0.1	0.1
__finish	0.0	0.0
fmicro_create128k	3.5	3.0
__finish	0.0	0.0
__append-file	7.0	6.0
fmicro_create128kdsync	70.8	42.5
__finish	0.0	0.0
__append-file	141.7	85.0
fmicro_createfsync	6.4	6.6
__sync-file	19.2	19.8
__append-file	0.0	0.1
__finish	0.0	0.0
fmicro_createrand	7.1	6.9
__finish	0.0	0.0
__sync	19.1	18.1
__append-file	2.3	2.5
fmicro_createsync	69.8	42.0
__finish	0.0	0.0
__append-file	139.6	83.9
fmicro_rread2k	0.8	0.2
__finish	0.0	0.0
__write-file	1.7	0.4
fmicro_rread2kcached	0.3	0.2
__write-file	0.7	0.4
__finish	0.0	0.0
fmicro_rwrite2kdsync	0.5	0.7
__finish	0.0	0.0
__write-file	1.0	1.4
fmicro_rwrite2kdsync4thread	4.1	5.0
__finish	0.0	0.0
__write-file	8.2	10.1
fmicro_rwrite8kfsynccached	13.4	0.5
__write-file	0.1	0.1
__finish	0.0	0.0
__sync-file	40.2	1.4
fmicro_seqread32k	0.2	0.2
__append-file	0.2	0.2
fmicro_seqread32kcached	0.1	0.1
__append-file	0.1	0.1
fmicro_seqwrite32k	0.3	0.3
__close	0.8	0.7
__write-file	0.2	0.2
__finish	0.0	0.0
fmicro_seqwrite32kdsync	1.7	1.1
__write-file	4.9	3.1
__close	0.1	0.1
__finish	0.0	0.0
fmicro_seqwriterand8k	0.1	0.3
__write-file	0.0	0.1
__close	0.3	0.7
__finish	0.0	0.0
fmicro_unlink1g	70.9	0.1
__finish	0.0	0.0
__deletefile1	212.6	0.2
__limit	0.0	0.0
large_db_oltp_2k_cached	69.4	139.0
__lg-block	1333.3	2621.0
__db-write	0.0	0.0
__dbwr-block	7.8	6.7
__random-rate	0.0	0.0
__shadow-post-lg	0.1	0.1
__lg-write	21.0	26.0
__shadowhog	0.0	0.0
__shadow-post-dbwr	280.3	704.0
__dbwr-hog	0.0	0.0
__shadow-read	55.8	92.0
__dbwr-aiowait	436.7	1004.6
large_db_oltp_2k_uncached	12.3	12.3
__shadowhog	0.0	0.0
__lg-block	211.2	220.4
__shadow-post-dbwr	30.7	36.5
__db-write	0.1	0.1
__dbwr-hog	0.0	0.0
__lg-write	43.9	34.4
__dbwr-block	56.4	55.8
__dbwr-aiowait	0.7	1.2
__shadow-read	11.9	11.1
__random-rate	0.0	0.0
__shadow-post-lg	4.4	5.3
large_db_oltp_8k_cached	28.4	49.2
__shadow-post-dbwr	23.1	143.8
__shadow-read	32.5	45.6
__random-rate	0.0	0.0
__lg-block	540.2	947.9
__dbwr-aiowait	150.6	272.5
__dbwr-hog	0.0	0.0
__shadowhog	0.0	0.0
__shadow-post-lg	0.2	0.1
__lg-write	22.9	20.9
__dbwr-block	18.6	26.6
__db-write	0.0	0.0
large_db_oltp_8k_uncached	13.1	13.0
__shadow-post-lg	5.1	5.1
__lg-block	237.2	237.8
__dbwr-hog	0.0	0.0
__random-rate	0.0	0.0
__dbwr-block	61.7	61.8
__lg-write	34.6	33.1
__db-write	0.1	0.1
__shadow-post-dbwr	36.5	36.3
__shadowhog	0.0	0.0
__shadow-read	12.1	12.0
__dbwr-aiowait	0.5	0.5
small_db_oltp_2k_cached	16.2	34.1
__shadow-read	13.6	36.5
__lg-write	30.9	22.8
__db-write	0.1	0.1
__dbwr-hog	0.0	0.0
__shadow-post-lg	1.9	0.6
__dbwr-block	36.0	32.6
__shadow-post-dbwr	57.4	50.1
__lg-block	300.3	653.0
__dbwr-aiowait	53.9	170.8
__random-rate	0.0	0.0
__shadowhog	0.0	0.0
small_db_oltp_2k_uncached	9.5	9.4
__db-write	0.1	0.1
__dbwr-block	26.9	28.1
__shadow-post-dbwr	22.9	28.6
__lg-block	132.5	149.9
__shadow-read	9.2	8.3
__random-rate	0.0	0.0
__lg-write	64.6	49.1
__dbwr-aiowait	15.7	13.4
__shadow-post-lg	4.4	5.0
__dbwr-hog	0.1	0.0
__shadowhog	0.0	0.0
small_db_oltp_8k_cached	15.8	34.2
__shadow-read	12.7	36.4
__db-write	0.1	0.1
__shadow-post-dbwr	61.6	44.0
__dbwr-aiowait	47.9	103.6
__lg-block	289.8	655.2
__dbwr-block	39.1	97.2
__lg-write	33.2	32.1
__shadowhog	0.0	0.0
__random-rate	0.0	0.0
__dbwr-hog	0.0	0.0
__shadow-post-lg	1.9	2.6
small_db_oltp_8k_uncached	9.4	9.5
__shadow-post-dbwr	17.3	23.1
__dbwr-aiowait	17.4	14.4
__shadow-post-lg	3.1	4.4
__random-rate	0.0	0.0
__dbwr-hog	0.1	0.0
__db-write	0.1	0.1
__lg-block	139.1	136.1
__dbwr-block	25.6	28.0
__shadowhog	0.0	0.0
__shadow-read	9.7	9.2
__lg-write	58.0	60.2
varmail	4.2	0.8
__appendfilerand2	0.7	1.4
__readfile4	0.1	0.1
__closefile4	0.0	0.0
__closefile2	0.1	0.1
__openfile4	0.1	0.1
__closefile3	0.1	0.1
__openfile3	0.1	0.1
__createfile2	33.5	3.1
__readfile3	0.2	0.1
__appendfilerand3	0.3	0.7
__deletefile1	11.3	2.6
webproxy	14.5	0.5
__createfile1	171.4	3.6
__openfile5	0.0	0.1
__readfile6	0.1	0.1
__openfile6	0.0	0.1
__closefile2	0.0	0.0
__closefile1	0.1	0.1
__openfile4	0.0	0.1
__openfile3	0.0	0.1
__readfile5	0.1	0.1
__closefile4	0.0	0.0
__readfile2	0.1	0.1
__closefile3	0.0	0.0
__closefile6	0.0	0.0
__readfile4	0.1	0.1
__closefile5	0.0	0.0
__appendfilerand1	0.2	0.7
__openfile2	0.1	0.1
__limit	0.0	0.0
__deletefile1	118.0	5.4
__readfile3	0.1	0.1
webserver	1.0	1.8
__closefile1	0.0	0.0
__readfile8	1.3	2.0
__openfile10	1.8	2.8
__closefile2	0.0	0.0
__openfile4	1.6	2.4
__closefile4	0.0	0.0
__readfile6	1.2	2.4
__openfile2	1.7	3.0
__readfile7	1.3	3.8
__readfile5	1.1	2.4
__openfile8	1.6	3.1
__closefile9	0.0	0.0
__closefile8	0.0	0.0
__openfile9	1.5	2.9
__openfile6	1.4	3.9
__readfile4	1.2	2.0
__readfile2	1.4	2.6
__closefile10	0.0	0.0
__readfile1	1.3	2.7
__openfile3	1.7	2.7
__closefile5	0.0	0.0
__closefile7	0.0	0.0
__readfile3	1.3	2.0
__openfile7	1.8	2.1
__closefile3	0.0	0.0
__openfile1	1.4	3.4
__openfile5	1.8	2.4
__readfile9	1.2	3.0
__readfile10	1.5	2.8
__closefile6	0.0	0.0
__appendlog	0.5	0.6

Efficiency breakdown (Code path length in uS/op)

Workload	UFS s10nolog	UFS s10log
fileserver	242	528
__openfile2	110.0	126.0
__statfile1	70.0	62.0
__appendfilerand1	330.0	1734.0
__closefile2	24.0	23.0
__deletefile1	988.0	1863.0
__readfile1	193.0	189.0
__closefile1	117.0	124.0
__openfile1	110.0	107.0
fmicro_create100files	113	73
__closefile1	10.0	9.0
__createfile1	335.0	185.0
__writefile1	103.0	97.0
__finish	5.0	4.0
fmicro_create128k	3458	2975
__finish	6.0	6.0
__append-file	6911.0	5945.0
fmicro_create128kdsync	20367	17285
__finish	7.0	7.0
__append-file	40728.0	34564.0
fmicro_createfsync	1612	2133
__sync-file	4777.0	6336.0
__append-file	54.0	59.0
__finish	7.0	6.0
fmicro_createrand	2367	2360
__finish	6.0	6.0
__sync	4789.0	4611.0
__append-file	2307.0	2464.0
fmicro_createsync	20083	16541
__finish	8.0	7.0
__append-file	40159.0	33075.0
fmicro_rread2k	81	73
__finish	5.0	5.0
__write-file	158.0	141.0
fmicro_rread2kcached	76	75
__write-file	147.0	146.0
__finish	5.0	5.0
fmicro_rwrite2kdsync	151	208
__finish	5.0	5.0
__write-file	298.0	411.0
fmicro_rwrite2kdsync4thread	188	259
__finish	5.0	5.0
__write-file	372.0	513.0
fmicro_rwrite8kfsynccached	2232	270
__write-file	139.0	142.0
__finish	7.0	7.0
__sync-file	6550.0	663.0
fmicro_seqread32k	202	193
__append-file	202.0	193.0
fmicro_seqread32kcached	76	90
__append-file	76.0	90.0
fmicro_seqwrite32k	326	297
__close	799.0	706.0
__write-file	172.0	178.0
__finish	7.0	7.0
fmicro_seqwrite32kdsync	480	411
__write-file	1340.0	1169.0
__close	93.0	59.0
__finish	7.0	7.0
fmicro_seqwriterand8k	135	266
__write-file	54.0	56.0
__close	346.0	737.0
__finish	6.0	7.0
fmicro_unlink1g	70238	64
__finish	8.0	7.0
__deletefile1	210708.0	187.0
__limit	0.0	0.0
large_db_oltp_2k_cached	620	846
__lg-block	5785.0	6691.0
__db-write	48.2	20.0
__dbwr-block	271.0	385.0
__random-rate	0.0	0.0
__shadow-post-lg	131.0	102.0
__lg-write	7227.0	7128.0
__shadowhog	8.7	9.1
__shadow-post-dbwr	6068.0	8767.0
__dbwr-hog	44.0	44.0
__shadow-read	306.8	508.4
__dbwr-aiowait	404.0	3675.0
large_db_oltp_2k_uncached	1338	1358
__shadowhog	10.7	10.7
__lg-block	13576.0	11157.0
__shadow-post-dbwr	21181.0	25011.0
__db-write	149.9	145.4
__dbwr-hog	57.0	56.0
__lg-write	3015.0	2382.0
__dbwr-block	4634.0	4352.0
__dbwr-aiowait	406.0	379.0
__shadow-read	376.2	368.3
__random-rate	0.0	0.0
__shadow-post-lg	2608.0	3041.0
large_db_oltp_8k_cached	540	600
__shadow-post-dbwr	2199.0	4668.0
__shadow-read	225.6	287.0
__random-rate	0.0	0.0
__lg-block	6449.0	6736.0
__dbwr-aiowait	397.0	404.0
__dbwr-hog	46.0	44.0
__shadowhog	8.7	8.7
__shadow-post-lg	223.0	124.0
__lg-write	7956.0	6885.0
__dbwr-block	373.0	486.0
__db-write	55.6	51.1
large_db_oltp_8k_uncached	1459	1461
__shadow-post-lg	3116.0	3061.0
__lg-block	13732.0	14163.0
__dbwr-hog	58.0	54.0
__random-rate	0.0	0.0
__dbwr-block	4752.0	4787.0
__lg-write	2335.0	2396.0
__db-write	143.3	139.5
__shadow-post-dbwr	25919.0	25527.0
__shadowhog	10.7	10.6
__shadow-read	363.1	369.1
__dbwr-aiowait	386.0	370.0
small_db_oltp_2k_cached	1047	605
__shadow-read	326.0	206.9
__lg-write	11185.0	7519.0
__db-write	80.9	61.1
__dbwr-hog	47.0	45.0
__shadow-post-lg	1220.0	585.0
__dbwr-block	1276.0	597.0
__shadow-post-dbwr	14053.0	3985.0
__lg-block	7366.0	7062.0
__dbwr-aiowait	426.0	431.0
__random-rate	0.0	0.0
__shadowhog	16.8	10.7
small_db_oltp_2k_uncached	860	888
__db-write	129.1	131.6
__dbwr-block	2088.0	2259.0
__shadow-post-dbwr	10980.0	12839.0
__lg-block	7459.0	7384.0
__shadow-read	445.7	433.2
__random-rate	0.0	0.0
__lg-write	4294.0	3370.0
__dbwr-aiowait	423.0	385.0
__shadow-post-lg	1530.0	1721.0
__dbwr-hog	58.0	58.0
__shadowhog	11.3	11.1
small_db_oltp_8k_cached	1049	961
__shadow-read	369.7	458.5
__db-write	88.5	77.3
__shadow-post-dbwr	12261.0	10048.0
__dbwr-aiowait	416.0	437.0
__lg-block	7569.0	6364.0
__dbwr-block	1421.0	1055.0
__lg-write	12024.0	11392.0
__shadowhog	17.2	29.7
__random-rate	0.0	0.0
__dbwr-hog	47.0	46.0
__shadow-post-lg	1402.0	1545.0
small_db_oltp_8k_uncached	770	876
__shadow-post-dbwr	8172.0	10845.0
__dbwr-aiowait	422.0	408.0
__shadow-post-lg	1174.0	1488.0
__random-rate	0.0	0.0
__dbwr-hog	54.0	57.0
__db-write	121.6	132.1
__lg-block	8015.0	8153.0
__dbwr-block	1949.0	2329.0
__shadowhog	11.0	11.0
__shadow-read	448.9	448.9
__lg-write	3683.0	4090.0
varmail	202	226
__appendfilerand2	214.0	684.0
__readfile4	104.0	117.0
__closefile4	33.0	36.0
__closefile2	66.0	78.0
__openfile4	47.0	71.0
__closefile3	93.0	127.0
__openfile3	59.0	72.0
__createfile2	577.0	524.0
__readfile3	122.0	126.0
__appendfilerand3	171.0	296.0
__deletefile1	744.0	365.0
webproxy	113	126
__createfile1	591.0	504.0
__openfile5	45.0	67.0
__readfile6	63.0	66.0
__openfile6	45.0	67.0
__closefile2	21.0	20.0
__closefile1	67.0	81.0
__openfile4	46.0	68.0
__openfile3	47.0	69.0
__readfile5	62.0	66.0
__closefile4	22.0	20.0
__readfile2	65.0	67.0
__closefile3	21.0	20.0
__closefile6	23.0	20.0
__readfile4	63.0	66.0
__closefile5	22.0	20.0
__appendfilerand1	190.0	627.0
__openfile2	62.0	71.0
__limit	0.0	0.0
__deletefile1	747.0	551.0
__readfile3	64.0	66.0
webserver	254	265
__closefile1	45.0	31.0
__readfile8	422.0	398.0
__openfile10	295.0	364.0
__closefile2	34.0	34.0
__openfile4	298.0	380.0
__closefile4	34.0	33.0
__readfile6	425.0	377.0
__openfile2	316.0	412.0
__readfile7	428.0	422.0
__readfile5	405.0	397.0
__openfile8	278.0	304.0
__closefile9	36.0	44.0
__closefile8	36.0	32.0
__openfile9	314.0	434.0
__openfile6	284.0	313.0
__readfile4	420.0	386.0
__readfile2	425.0	394.0
__closefile10	38.0	34.0
__readfile1	455.0	429.0
__openfile3	288.0	390.0
__closefile5	35.0	36.0
__closefile7	43.0	32.0
__readfile3	431.0	385.0
__openfile7	313.0	307.0
__closefile3	37.0	35.0
__openfile1	290.0	333.0
__openfile5	285.0	393.0
__readfile9	434.0	394.0
__readfile10	422.0	405.0
__closefile6	41.0	30.0
__appendlog	270.0	287.0