MELVYL SYSTEM TELNET STATISTICS
Time period: 12/02/00 through 12/08/00
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 2,443 6,646 9,089
Davis 4,497 699 5,196
Irvine 2,335 0 2,335
Los Angeles 693 2,722 3,415
Riverside 1,145 456 1,601
San Diego 870 1,496 2,366
San Francisco 2,286 0 2,286
Santa Barbara 780 817 1,597
Santa Cruz 564 565 1,129
NRLF 0 0 0
SRLF 2 0 2
LBL 0 460 460
LLL 0 332 332
Los Alamos 0 1 1
Other - UC 63 697 760
CSL 0 194 194
CSU n/a 243 243
Stanford n/a 406 406
Other - Non UC n/a 9,326 9,326
_______ ______ _____
15,678 25,060 40,738
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 10 12-2 p.m. 79
2-4 a.m. 10 2-4 p.m. 92
4-6 a.m. 8 4-6 p.m. 65
6-8 a.m. 11 6-8 p.m. 29
8-10 a.m. 46 8-10 p.m. 21
10-12 a.m. 84 10-12 p.m. 14
Maximum of active users in a 2 minute interval:
For MELVYL system on 12/07/00 at 15:26:02 total number of users: 151
For MELVYL MEDLINE on 12/06/00 at 11:25:05 total number of users: 26
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 813.63
For Non-UC users (hrs:mins) 36.13
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 7,543 19,004 26,547
Davis 14,576 2,141 16,717
Irvine 7,817 0 7,817
Los Angeles 2,036 7,583 9,619
Riverside 3,485 1,118 4,603
San Diego 2,847 3,649 6,496
San Francisco 6,688 0 6,688
Santa Barbara 2,748 2,501 5,249
Santa Cruz 2,469 1,554 4,023
NRLF 0 0 0
SRLF 8 0 8
LBL 0 1,066 1,066
LLL 0 1,414 1,414
Los Alamos 0 1 1
Other - UC 71 2,587 2,658
CSL 0 304 304
CSU n/a 969 969
Stanford n/a 1,200 1,200
Other - Non UC n/a 30,699 30,699
_______ ______ _____
50,288 75,790 126,078
Average number of FIND commands per hour:
12-2 a.m. 84 12-2 p.m. 746
2-4 a.m. 56 2-4 p.m. 905
4-6 a.m. 53 4-6 p.m. 577
6-8 a.m. 104 6-8 p.m. 280
8-10 a.m. 409 8-10 p.m. 156
10-12 a.m. 831 10-12 p.m. 108
Total number of FIND commands 126,078
Peak hourly load of 1,461 FIND commands occurred on 12/04/00 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 69,131 176,561 245,692
Davis 112,038 14,094 126,132
Irvine 60,075 0 60,075
Los Angeles 15,670 93,688 109,358
Riverside 26,844 12,347 39,191
San Diego 17,981 35,591 53,572
San Francisco 62,686 0 62,686
Santa Barbara 22,525 24,303 46,828
Santa Cruz 15,722 19,005 34,727
NRLF 0 0 0
SRLF 78 0 78
LBL 0 10,886 10,886
LLL 0 16,067 16,067
Los Alamos 0 6 6
Other - UC 848 22,308 23,156
CSL 0 2,742 2,742
CSU n/a 8,298 8,298
Stanford n/a 10,337 10,337
Other - Non UC n/a 253,872 253,872
_______ ______ _____
403,598 700,105 1,103,703
Average number of records displayed per hour:
12-2 a.m. 1,033 12-2 p.m. 13,487
2-4 a.m. 823 2-4 p.m. 17,516
4-6 a.m. 607 4-6 p.m. 12,066
6-8 a.m. 2,044 6-8 p.m. 6,329
8-10 a.m. 7,866 8-10 p.m. 3,691
10-12 a.m. 15,215 10-12 p.m. 2,235
Total number of Records Displayed 1,103,703
Peak hourly load of 25,200 records displayed occurred on 12/05/00 at 3 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 52,855 401,700 41.0% 41.9%
TEN 0 0 0.0% 0.0%
PE 4,822 44,575 3.7% 3.8%
ABI 827 1,616 0.6% 0.7%
BIOSIS 4,416 5,722 3.8% 3.5%
CC databases 10,342 102,392 8.8% 8.2%
CC 10,176 96,289 8.4% 8.1%
CCT 166 6,103 0.4% 0.1%
IAC databases 7,039 80,422 5.7% 5.6%
MAGS 6,333 73,624 5.0% 5.0%
NEWS 440 3,812 0.4% 0.3%
COMP 266 2,986 0.2% 0.2%
INS databases 4,050 28,926 4.4% 3.2%
INS 2,819 22,427 2.8% 2.2%
INS90 421 1,973 0.5% 0.3%
INS85 255 1,384 0.4% 0.2%
INS80 230 1,223 0.3% 0.2%
INS69 325 1,919 0.3% 0.3%
MED databases 21,162 204,584 18.4% 16.8%
MED 17,051 180,678 13.2% 13.5%
MED90 1,845 11,244 2.2% 1.5%
MED85 955 5,143 1.2% 0.8%
MED80 579 3,393 0.8% 0.5%
MED75 399 2,376 0.5% 0.3%
MED66 333 1,750 0.4% 0.3%
PSYC 6,731 10,187 3.9% 5.3%
OCLC 12,098 16,383 7.9% 9.6%
RLG 1,230 1,240 1.1% 1.0%
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) 27 33 60
GEOREF (Stanford) 19 117 136
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 97 128 225
Arizona State University 1 2 3
Boston University 0 1 1
California State Library 1 0 1
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 8 18 26
Cambridge University, England 0 0 0
CARL 0 0 0
CARL Uncover 4 8 12
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 4 0 4
Dartmouth College 0 0 0
DIALOG 1 35 36
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 7 1 8
Harvard 0 6 6
Library of Congress (LOCIS) 3 6 9
Los Angeles Public Library 1 2 3
National Agricultural Library 1 2 3
NLM AIDSDBS 1 1 2
NLM Databases (Medlars) 2 3 5
Northern Regional Lib Facility 122 26 148
New York Public Library 1 0 1
OCEAN Information Center 0 0 0
OCLC Catalog 0 73 73
OCLC EPIC 0 0 0
Oxford University, England 2 0 2
Princeton 0 1 1
Rensselaer Polytechnic Institute 0 0 0
RLIN 38 80 118
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 5 77 82
SUNY Buffalo (BISON) 0 2 2
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 78 155 233
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 2 3 5
UCLA ORION 1 1 2
UCSC CRUZCAT 2 0 2
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 4 4
UCSF Catalog 10 0 10
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 7 7
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 0 0
Virginia Polytechnic Institute 0 1 1
Weather 2 0 2
WRLC 0 0 0
Yale 0 23 23
Other 1 0 1
_______ ______ _____
Total number of USE commands 441 816 1,257
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.7
Standard deviation in seconds 2.7
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.9
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 185
SAVE SET 230
RECALL SET 10
DELETE/CLEAR SET 1
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 2,181
1.7.2 REQUEST Commands
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Number of REQUEST Commands 190
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 2 2
Davis 2 0 2
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 1 1
San Francisco 6 0 6
Santa Barbara 0 0 0
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 4 4
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 6 6
_______ ______ _____
8 13 21
1.7.4 Number of UPDATE commands by Database
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CAT 4
PE 1
TEN 0
CC databases 10
CC 7
CCT 3
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 5
INS 0
PSYC 0
ABI 0
BIOSIS 1
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 22
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 3
Number of REDO UPDATE commands 0
Total number of UPDATEs on 12/08/00 3,967
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)