MELVYL SYSTEM TELNET STATISTICS
Time period: 12/16/00 through 12/22/00
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 1,295 4,725 6,020
Davis 2,863 444 3,307
Irvine 1,353 0 1,353
Los Angeles 390 1,734 2,124
Riverside 638 248 886
San Diego 745 1,180 1,925
San Francisco 1,835 0 1,835
Santa Barbara 332 500 832
Santa Cruz 340 325 665
NRLF 0 0 0
SRLF 3 0 3
LBL 0 327 327
LLL 0 186 186
Los Alamos 0 5 5
Other - UC 60 340 400
CSL 0 194 194
CSU n/a 126 126
Stanford n/a 354 354
Other - Non UC n/a 6,964 6,964
_______ ______ _____
9,854 17,652 27,506
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 9 12-2 p.m. 58
2-4 a.m. 11 2-4 p.m. 60
4-6 a.m. 10 4-6 p.m. 40
6-8 a.m. 9 6-8 p.m. 16
8-10 a.m. 42 8-10 p.m. 9
10-12 a.m. 67 10-12 p.m. 9
Maximum of active users in a 2 minute interval:
For MELVYL system on 12/18/00 at 14:38:19 total number of users: 131
For MELVYL MEDLINE on 12/18/00 at 13:38:14 total number of users: 25
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 579.67
For Non-UC users (hrs:mins) 40.17
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,757 12,692 16,449
Davis 8,943 1,691 10,634
Irvine 4,786 0 4,786
Los Angeles 1,157 4,595 5,752
Riverside 1,909 707 2,616
San Diego 2,807 3,385 6,192
San Francisco 5,424 0 5,424
Santa Barbara 1,282 1,290 2,572
Santa Cruz 1,102 925 2,027
NRLF 0 0 0
SRLF 12 0 12
LBL 0 784 784
LLL 0 959 959
Los Alamos 0 13 13
Other - UC 101 929 1,030
CSL 0 323 323
CSU n/a 345 345
Stanford n/a 1,269 1,269
Other - Non UC n/a 22,426 22,426
_______ ______ _____
31,280 52,333 83,613
Average number of FIND commands per hour:
12-2 a.m. 57 12-2 p.m. 515
2-4 a.m. 38 2-4 p.m. 577
4-6 a.m. 26 4-6 p.m. 352
6-8 a.m. 67 6-8 p.m. 135
8-10 a.m. 333 8-10 p.m. 75
10-12 a.m. 629 10-12 p.m. 75
Total number of FIND commands 83,613
Peak hourly load of 1,258 FIND commands occurred on 12/18/00 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 34,243 124,809 159,052
Davis 84,108 9,499 93,607
Irvine 44,555 0 44,555
Los Angeles 9,625 52,614 62,239
Riverside 17,310 9,024 26,334
San Diego 13,293 29,170 42,463
San Francisco 51,785 0 51,785
Santa Barbara 11,734 12,614 24,348
Santa Cruz 8,318 8,796 17,114
NRLF 0 0 0
SRLF 17 0 17
LBL 0 9,064 9,064
LLL 0 10,816 10,816
Los Alamos 0 148 148
Other - UC 382 13,172 13,554
CSL 0 2,061 2,061
CSU n/a 3,005 3,005
Stanford n/a 23,250 23,250
Other - Non UC n/a 180,150 180,150
_______ ______ _____
275,370 488,192 763,562
Average number of records displayed per hour:
12-2 a.m. 1,171 12-2 p.m. 9,741
2-4 a.m. 814 2-4 p.m. 10,880
4-6 a.m. 419 4-6 p.m. 7,061
6-8 a.m. 1,415 6-8 p.m. 2,985
8-10 a.m. 6,333 8-10 p.m. 1,876
10-12 a.m. 10,026 10-12 p.m. 1,522
Total number of Records Displayed 763,562
Peak hourly load of 19,350 records displayed occurred on 12/18/00 at 2 pm
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 35,389 267,157 41.6% 42.3%
TEN 0 0 0.0% 0.0%
PE 3,821 30,787 4.0% 4.6%
ABI 592 1,209 0.7% 0.7%
BIOSIS 3,053 3,966 3.7% 3.7%
CC databases 7,397 76,822 9.4% 8.8%
CC 7,276 73,034 9.1% 8.7%
CCT 121 3,788 0.3% 0.1%
IAC databases 3,106 36,344 3.9% 3.7%
MAGS 2,830 33,781 3.5% 3.4%
NEWS 136 925 0.2% 0.2%
COMP 140 1,638 0.2% 0.2%
INS databases 2,855 21,893 4.9% 3.4%
INS 1,896 16,266 2.9% 2.3%
INS90 382 2,520 0.8% 0.5%
INS85 237 1,125 0.5% 0.3%
INS80 157 800 0.4% 0.2%
INS69 183 1,182 0.3% 0.2%
MED databases 15,853 188,101 19.1% 19.0%
MED 12,958 171,070 14.3% 15.5%
MED90 1,430 8,078 2.2% 1.7%
MED85 611 4,314 1.1% 0.7%
MED80 358 1,881 0.7% 0.4%
MED75 235 921 0.4% 0.3%
MED66 261 1,837 0.4% 0.3%
PSYC 2,665 4,518 2.7% 3.2%
OCLC 7,891 10,722 8.6% 9.4%
RLG 718 886 1.0% 0.9%
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) 10 21 31
GEOREF (Stanford) 10 57 67
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 73 105 178
Arizona State University 0 3 3
Boston University 0 1 1
California State Library 0 0 0
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 6 4 10
Cambridge University, England 0 1 1
CARL 0 0 0
CARL Uncover 0 9 9
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 1 1
Cleveland Free-Net 2 0 2
Dartmouth College 0 0 0
DIALOG 2 18 20
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 1 2 3
Harvard 0 2 2
Library of Congress (LOCIS) 1 5 6
Los Angeles Public Library 0 0 0
National Agricultural Library 1 2 3
NLM AIDSDBS 0 4 4
NLM Databases (Medlars) 0 1 1
Northern Regional Lib Facility 77 37 114
New York Public Library 0 2 2
OCEAN Information Center 0 0 0
OCLC Catalog 0 79 79
OCLC EPIC 0 0 0
Oxford University, England 0 1 1
Princeton 0 1 1
Rensselaer Polytechnic Institute 0 0 0
RLIN 43 60 103
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 6 52 58
SUNY Buffalo (BISON) 2 0 2
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 52 183 235
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 3 0 3
UCLA ORION 2 2 4
UCSC CRUZCAT 0 0 0
UCSC INFOSLUG 0 0 0
UCSD ROGER 4 1 5
UCSF Catalog 11 2 13
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 1 1
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 3 3
Virginia Polytechnic Institute 0 0 0
Weather 0 1 1
WRLC 0 0 0
Yale 0 8 8
Other 2 1 3
_______ ______ _____
Total number of USE commands 308 670 978
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.6
Standard deviation in seconds 2.1
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.3
1.5 Online Publications
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Current Cites 0
DLA Bulletin 0
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 335
SAVE SET 363
RECALL SET 1
DELETE/CLEAR SET 15
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,300
1.7.2 REQUEST Commands
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Number of REQUEST Commands 148
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 0 0
Davis 1 0 1
Irvine 0 0 0
Los Angeles 0 10 10
Riverside 0 0 0
San Diego 1 5 6
San Francisco 0 0 0
Santa Barbara 1 0 1
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 0 0
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 0 0
_______ ______ _____
3 15 18
1.7.4 Number of UPDATE commands by Database
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CAT 2
PE 0
TEN 0
CC databases 11
CC 1
CCT 10
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 2
INS 0
PSYC 0
ABI 0
BIOSIS 2
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 19
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 15
Number of REDO UPDATE commands 0
Total number of UPDATEs on 12/22/00 3,919
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)