MELVYL SYSTEM TELNET STATISTICS
Time period: 08/01/99 through 08/31/99
1.0 GENERAL STATISTICS (includes all databases)
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1.1 System load
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1.1.1 Total sessions:
______________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 13,575 39,255 52,830
Davis 27,283 4,736 32,019
Irvine 16,983 0 16,983
Los Angeles 8,106 20,468 28,574
Riverside 5,885 3,586 9,471
San Diego 5,715 10,566 16,281
San Francisco 19,841 462 20,303
Santa Barbara 6,176 6,158 12,334
Santa Cruz 4,614 5,821 10,435
NRLF 0 0 0
SRLF 0 0 0
LBL 0 2,624 2,624
LLL 0 2,797 2,797
Los Alamos 0 403 403
Other - UC 863 2,719 3,582
CSL 0 1,020 1,020
CSU n/a 1,689 1,689
Stanford n/a 4,724 4,724
Other - Non UC n/a 47,736 47,736
_______ ______ _____
109,041 154,764 263,805
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 15 12-2 p.m. 115
2-4 a.m. 11 2-4 p.m. 136
4-6 a.m. 9 4-6 p.m. 91
6-8 a.m. 14 6-8 p.m. 34
8-10 a.m. 65 8-10 p.m. 21
10-12 a.m. 117 10-12 p.m. 18
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 6239.37
For Non-UC users (hrs:mins) 423.37
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 43,311 114,997 158,308
Davis 85,432 17,768 103,200
Irvine 49,616 0 49,616
Los Angeles 29,328 56,590 85,918
Riverside 20,563 9,884 30,447
San Diego 17,954 28,653 46,607
San Francisco 58,456 1,314 59,770
Santa Barbara 20,006 18,406 38,412
Santa Cruz 13,494 18,594 32,088
NRLF 0 0 0
SRLF 0 0 0
LBL 0 6,997 6,997
LLL 0 12,164 12,164
Los Alamos 0 811 811
Other - UC 1,137 9,265 10,402
CSL 0 3,905 3,905
CSU n/a 6,103 6,103
Stanford n/a 13,378 13,378
Other - Non UC n/a 167,409 167,409
_______ ______ _____
339,297 486,238 825,535
Average number of FIND commands per hour:
12-2 a.m. 180 12-2 p.m. 1,182
2-4 a.m. 94 2-4 p.m. 1,447
4-6 a.m. 69 4-6 p.m. 943
6-8 a.m. 149 6-8 p.m. 341
8-10 a.m. 693 8-10 p.m. 218
10-12 a.m. 1,255 10-12 p.m. 204
Total number of FIND commands 825,535
Peak hourly load of 2,197 FIND commands occurred on 08/30/99 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 371,442 1,265,894 1,637,336
Davis 761,790 101,978 863,768
Irvine 484,294 0 484,294
Los Angeles 249,387 639,269 888,656
Riverside 162,412 112,687 275,099
San Diego 99,754 253,994 353,748
San Francisco 581,772 15,482 597,254
Santa Barbara 179,224 184,417 363,641
Santa Cruz 107,661 171,491 279,152
NRLF 0 0 0
SRLF 0 0 0
LBL 0 76,575 76,575
LLL 0 122,138 122,138
Los Alamos 0 4,282 4,282
Other - UC 11,358 87,460 98,818
CSL 0 13,993 13,993
CSU n/a 67,144 67,144
Stanford n/a 152,119 152,119
Other - Non UC n/a 1,452,622 1,452,622
_______ ______ _____
3,009,094 4,721,545 7,730,639
Average number of records displayed per hour:
12-2 a.m. 2,670 12-2 p.m. 23,186
2-4 a.m. 2,337 2-4 p.m. 27,663
4-6 a.m. 1,401 4-6 p.m. 18,676
6-8 a.m. 3,039 6-8 p.m. 7,515
8-10 a.m. 13,336 8-10 p.m. 4,399
10-12 a.m. 23,400 10-12 p.m. 3,771
Total number of Records Displayed 7,730,639
Peak hourly load of 56,030 records displayed occurred on 08/02/99 at 10 am
1.2 Relative Use of Databases
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Number of Number of % of System % of System
Database FIND Commands Records Displayed Sessions Searches
________ _____________ _________________ ___________ ___________
CAT 341,891 2,610,412 40.7% 41.4%
TEN 0 0 0.0% 0.0%
PE 19,344 158,644 2.6% 2.3%
ABI 8,040 15,845 0.9% 1.0%
BIOSIS 30,657 39,481 3.5% 3.7%
CC databases 82,907 921,832 9.9% 10.0%
CC 81,266 856,776 9.5% 9.8%
CCT 1,641 65,056 0.4% 0.2%
IAC databases 44,625 508,365 5.4% 5.4%
MAGS 39,324 460,147 4.6% 4.8%
NEWS 3,463 30,009 0.5% 0.4%
COMP 1,838 18,209 0.3% 0.2%
INS databases 31,769 251,926 5.3% 3.8%
INS 21,890 186,966 3.3% 2.7%
INS90 3,714 25,769 0.7% 0.4%
INS85 2,356 14,988 0.5% 0.3%
INS80 1,884 10,209 0.4% 0.2%
INS69 1,925 13,994 0.3% 0.2%
MED databases 183,223 1,970,177 23.1% 22.2%
MED 142,765 1,686,397 16.3% 17.3%
MED90 19,233 135,644 3.1% 2.3%
MED85 9,350 56,173 1.7% 1.1%
MED80 5,677 37,951 1.0% 0.7%
MED75 3,267 23,861 0.6% 0.4%
MED66 2,931 30,151 0.4% 0.4%
PSYC 34,124 53,079 3.1% 4.1%
OCLC 32,873 39,408 4.0% 4.0%
RLG 13,358 22,830 1.1% 1.6%
1.3 USE command
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Number of USE commands issued by system (numbers are attempts to connect):
Library Remote Total
_______ ______ _____
Licensed Systems:
Congressional Quarterly 0 0 0
ERIC (Stanford) 384 254 638
GEOREF (Stanford) 417 958 1,375
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 1,160 1,360 2,520
RLG Eureka 605 635 1,240
Arizona State University 7 18 25
Boston University 3 6 9
California State Library 13 31 44
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 2 5 7
Cal State Univ., Hayward 36 399 435
Cambridge University, England 9 19 28
CARL 1 23 24
CARL Uncover 29 116 145
Chicano/Latino Net Gopher 0 0 0
Claremont College 2 3 5
Cleveland Free-Net 8 70 78
Dartmouth College 3 25 28
DIALOG 20 95 115
DRA LC 23 11 34
Earthquake Engineering Abstracts 0 0 0
FS INFO 15 46 61
Harvard 50 109 159
Library of Congress (LOCIS) 88 396 484
Los Angeles Public Library 105 33 138
National Agricultural Library 23 26 49
NLM AIDSDBS 12 13 25
NLM Databases (Medlars) 93 78 171
Northern Regional Lib Facility 465 183 648
New York Public Library 4 66 70
OCEAN Information Center 0 0 0
OCLC Catalog 22 220 242
OCLC EPIC 1 2 3
Oxford University, England 4 33 37
Princeton 0 14 14
Rensselaer Polytechnic Institute 0 5 5
RLIN 271 429 700
San Francisco State University 1 7 8
San Jose State University 3 16 19
Santa Clara University (OSCAR) 3 9 12
Stanford University 104 449 553
SUNY Buffalo (BISON) 43 18 61
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 608 959 1,567
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 91 41 132
UCLA ORION 458 259 717
UCSC CRUZCAT 50 88 138
UCSC INFOSLUG 0 0 0
UCSD ROGER 97 102 199
UCSF Catalog 60 24 84
Univ. of Hawaii 3 6 9
Univ. of Tennessee 1 4 5
Univ. of Michigan 8 23 31
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 9 22 31
Virginia Polytechnic Institute 0 3 3
Weather 48 24 72
WRLC 1 8 9
Yale 41 21 62
Other 22 11 33
_______ ______ _____
Total number of USE commands 5,526 7,775 13,282
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 1.0
Standard deviation in seconds 4.4
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.1
1.5 Online Publications
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Current Cites 0
DLA Bulletin 7
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 1,981
SAVE SET 2,512
RECALL SET 40
DELETE/CLEAR SET 67
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 17,615
1.7.2 REQUEST Commands
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Number of REQUEST Commands 2,004
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3 5 8
Davis 11 0 11
Irvine 3 0 3
Los Angeles 21 0 21
Riverside 0 0 0
San Diego 0 10 10
San Francisco 9 1 10
Santa Barbara 0 2 2
Santa Cruz 0 1 1
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 5 5
Los Alamos 0 0 0
Other - UC 0 0 0
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 0 0
Other - Non UC n/a 3 3
_______ ______ _____
47 27 74
1.7.4 Number of UPDATE commands by Database
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CAT 13
PE 1
TEN 0
CC databases 18
CC 16
CCT 2
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 32
INS 2
PSYC 2
ABI 2
BIOSIS 3
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 277
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 14
Number of REDO UPDATE commands 1
Total number of UPDATEs on 08/31/99 8,017