MELVYL SYSTEM TELNET STATISTICS
Time period: 07/07/01 through 07/13/01
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 1,165 4,965 6,130
Davis 3,108 480 3,588
Irvine 1,588 0 1,588
Los Angeles 21 2,301 2,322
Riverside 785 280 1,065
San Diego 767 1,120 1,887
San Francisco 2,094 0 2,094
Santa Barbara 263 516 779
Santa Cruz 570 394 964
NRLF 0 0 0
SRLF 0 0 0
LBL 0 292 292
LLL 0 154 154
Los Alamos 0 7 7
Other - UC 63 541 604
CSL 0 155 155
CSU n/a 263 263
Stanford n/a 369 369
Other - Non UC n/a 9,763 9,763
_______ ______ _____
10,424 21,600 32,024
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 11 12-2 p.m. 63
2-4 a.m. 13 2-4 p.m. 73
4-6 a.m. 11 4-6 p.m. 48
6-8 a.m. 11 6-8 p.m. 18
8-10 a.m. 42 8-10 p.m. 12
10-12 a.m. 68 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 07/13/01 at 11:25:46 total number of users: 114
For MELVYL MEDLINE on 07/09/01 at 11:47:27 total number of users: 22
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 655.43
For Non-UC users (hrs:mins) 30.10
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,030 13,997 17,027
Davis 10,794 1,635 12,429
Irvine 5,469 0 5,469
Los Angeles 50 6,476 6,526
Riverside 2,936 736 3,672
San Diego 2,464 2,864 5,328
San Francisco 6,598 0 6,598
Santa Barbara 867 1,511 2,378
Santa Cruz 3,136 1,018 4,154
NRLF 0 0 0
SRLF 0 0 0
LBL 0 675 675
LLL 0 1,102 1,102
Los Alamos 0 14 14
Other - UC 66 1,885 1,951
CSL 0 292 292
CSU n/a 858 858
Stanford n/a 981 981
Other - Non UC n/a 29,553 29,553
_______ ______ _____
35,410 63,597 99,007
Average number of FIND commands per hour:
12-2 a.m. 68 12-2 p.m. 544
2-4 a.m. 54 2-4 p.m. 720
4-6 a.m. 55 4-6 p.m. 444
6-8 a.m. 105 6-8 p.m. 164
8-10 a.m. 369 8-10 p.m. 118
10-12 a.m. 584 10-12 p.m. 113
Total number of FIND commands 99,007
Peak hourly load of 1,191 FIND commands occurred on 07/12/01 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 28,586 112,730 141,316
Davis 92,530 10,177 102,707
Irvine 35,848 0 35,848
Los Angeles 727 57,152 57,879
Riverside 22,915 6,340 29,255
San Diego 13,429 34,351 47,780
San Francisco 60,304 0 60,304
Santa Barbara 10,511 12,421 22,932
Santa Cruz 13,308 11,363 24,671
NRLF 0 0 0
SRLF 0 0 0
LBL 0 7,199 7,199
LLL 0 10,198 10,198
Los Alamos 0 197 197
Other - UC 552 14,529 15,081
CSL 0 2,410 2,410
CSU n/a 7,662 7,662
Stanford n/a 9,564 9,564
Other - Non UC n/a 204,974 204,974
_______ ______ _____
278,710 501,267 779,977
Average number of records displayed per hour:
12-2 a.m. 958 12-2 p.m. 9,145
2-4 a.m. 696 2-4 p.m. 11,268
4-6 a.m. 833 4-6 p.m. 7,984
6-8 a.m. 2,051 6-8 p.m. 3,459
8-10 a.m. 6,577 8-10 p.m. 1,842
10-12 a.m. 10,216 10-12 p.m. 2,145
Total number of Records Displayed 779,977
Peak hourly load of 16,700 records displayed occurred on 07/12/01 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 43,602 301,928 40.9% 44.0%
TEN 0 0 0.0% 0.0%
PE 3,911 30,216 4.5% 4.0%
ABI 559 886 0.6% 0.6%
BIOSIS 3,242 3,972 3.3% 3.3%
CC databases 8,614 69,767 9.1% 8.7%
CC 8,497 65,635 8.7% 8.6%
CCT 117 4,132 0.4% 0.1%
IAC databases 2,648 32,898 3.0% 2.7%
MAGS 2,394 27,614 2.7% 2.4%
NEWS 161 1,278 0.2% 0.2%
COMP 93 4,006 0.1% 0.1%
INS databases 3,271 23,741 4.5% 3.3%
INS 2,150 17,898 2.7% 2.2%
INS90 354 1,859 0.6% 0.4%
INS85 318 1,063 0.5% 0.3%
INS80 219 799 0.4% 0.2%
INS69 230 2,122 0.4% 0.2%
MED databases 17,724 160,757 19.1% 17.9%
MED 13,955 139,449 13.7% 14.1%
MED90 1,802 8,559 2.4% 1.8%
MED85 787 5,475 1.2% 0.8%
MED80 534 3,335 0.8% 0.5%
MED75 344 2,174 0.6% 0.3%
MED66 302 1,765 0.4% 0.3%
PSYC 4,112 6,352 3.2% 4.2%
OCLC 10,069 12,690 10.3% 10.2%
RLG 958 1,153 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) 5 20 25
GEOREF (Stanford) 8 43 51
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 52 133 185
Arizona State University 0 1 1
Boston University 0 0 0
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 5 66 71
Cambridge University, England 0 0 0
CARL 0 1 1
CARL Uncover 3 18 21
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 1 0 1
Dartmouth College 0 0 0
DIALOG 0 32 32
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 0 0
Harvard 0 0 0
Library of Congress (LOCIS) 0 6 6
Los Angeles Public Library 0 0 0
National Agricultural Library 3 1 4
NLM AIDSDBS 0 1 1
NLM Databases (Medlars) 1 2 3
Northern Regional Lib Facility 82 49 131
New York Public Library 0 1 1
OCEAN Information Center 0 0 0
OCLC Catalog 0 77 77
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 23 111 134
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 3 38 41
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 58 129 187
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 0 0 0
UCLA ORION 0 0 0
UCSC CRUZCAT 0 1 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 2 2
UCSF Catalog 3 0 3
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 0 0
Virginia Polytechnic Institute 0 0 0
Weather 0 3 3
WRLC 0 0 0
Yale 5 2 7
Other 1 1 2
_______ ______ _____
Total number of USE commands 255 739 994
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 2.6
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.7
1.5 Online Publications
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Current Cites 0
DLA Bulletin 1
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 182
SAVE SET 224
RECALL SET 4
DELETE/CLEAR SET 3
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,515
1.7.2 REQUEST Commands
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Number of REQUEST Commands 186
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 1 1
Davis 0 0 0
Irvine 0 0 0
Los Angeles 0 1 1
Riverside 0 0 0
San Diego 0 0 0
San Francisco 1 0 1
Santa Barbara 1 4 5
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 4 4
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 0 0
Other - Non UC n/a 2 2
_______ ______ _____
2 12 14
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 6
CC 4
CCT 2
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 7
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 23
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 07/13/01 3,380
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)