MELVYL SYSTEM TELNET STATISTICS
Time period: 10/06/01 through 10/12/01
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 1,211 4,933 6,144
Davis 3,505 495 4,000
Irvine 1,442 0 1,442
Los Angeles 52 1,777 1,829
Riverside 551 297 848
San Diego 658 820 1,478
San Francisco 1,395 0 1,395
Santa Barbara 348 396 744
Santa Cruz 310 423 733
NRLF 0 0 0
SRLF 0 0 0
LBL 0 312 312
LLL 0 188 188
Los Alamos 0 5 5
Other - UC 70 525 595
CSL 0 116 116
CSU n/a 291 291
Stanford n/a 125 125
Other - Non UC n/a 8,129 8,129
_______ ______ _____
9,542 18,832 28,374
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. 58
2-4 a.m. 11 2-4 p.m. 66
4-6 a.m. 10 4-6 p.m. 45
6-8 a.m. 10 6-8 p.m. 19
8-10 a.m. 41 8-10 p.m. 13
10-12 a.m. 62 10-12 p.m. 11
Maximum of active users in a 2 minute interval:
For MELVYL system on 10/09/01 at 11:07:06 total number of users: 123
For MELVYL MEDLINE on 10/08/01 at 15:50:55 total number of users: 19
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 486.53
For Non-UC users (hrs:mins) 9.87
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,493 13,974 17,467
Davis 12,552 1,602 14,154
Irvine 4,444 0 4,444
Los Angeles 152 5,071 5,223
Riverside 2,313 768 3,081
San Diego 2,387 2,201 4,588
San Francisco 4,096 0 4,096
Santa Barbara 1,325 963 2,288
Santa Cruz 2,533 1,039 3,572
NRLF 0 0 0
SRLF 0 0 0
LBL 0 691 691
LLL 0 477 477
Los Alamos 0 31 31
Other - UC 80 1,577 1,657
CSL 0 103 103
CSU n/a 1,650 1,650
Stanford n/a 335 335
Other - Non UC n/a 24,704 24,704
_______ ______ _____
33,375 55,186 88,561
Average number of FIND commands per hour:
12-2 a.m. 53 12-2 p.m. 556
2-4 a.m. 33 2-4 p.m. 670
4-6 a.m. 33 4-6 p.m. 406
6-8 a.m. 69 6-8 p.m. 132
8-10 a.m. 350 8-10 p.m. 105
10-12 a.m. 608 10-12 p.m. 78
Total number of FIND commands 88,561
Peak hourly load of 1,082 FIND commands occurred on 10/09/01 at 1 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 30,035 125,084 155,119
Davis 91,030 7,662 98,692
Irvine 38,777 0 38,777
Los Angeles 655 51,343 51,998
Riverside 19,179 7,869 27,048
San Diego 9,309 20,678 29,987
San Francisco 40,188 0 40,188
Santa Barbara 13,496 10,745 24,241
Santa Cruz 6,568 9,212 15,780
NRLF 0 0 0
SRLF 0 0 0
LBL 0 5,185 5,185
LLL 0 3,919 3,919
Los Alamos 0 132 132
Other - UC 748 14,202 14,950
CSL 0 787 787
CSU n/a 14,315 14,315
Stanford n/a 2,609 2,609
Other - Non UC n/a 190,015 190,015
_______ ______ _____
249,985 463,757 713,742
Average number of records displayed per hour:
12-2 a.m. 939 12-2 p.m. 8,345
2-4 a.m. 907 2-4 p.m. 10,344
4-6 a.m. 474 4-6 p.m. 7,639
6-8 a.m. 1,266 6-8 p.m. 3,296
8-10 a.m. 5,680 8-10 p.m. 2,869
10-12 a.m. 9,041 10-12 p.m. 1,320
Total number of Records Displayed 713,742
Peak hourly load of 19,196 records displayed occurred on 10/08/01 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 44,137 310,648 45.3% 49.8%
TEN 0 0 0.0% 0.0%
PE 4,087 34,533 4.6% 4.6%
ABI 518 651 0.6% 0.6%
BIOSIS 2,656 3,078 3.3% 3.0%
CC databases 6,804 72,037 8.8% 7.7%
CC 6,612 65,072 8.4% 7.5%
CCT 192 6,965 0.4% 0.2%
IAC databases 3,118 33,983 3.7% 3.5%
MAGS 2,737 31,187 3.2% 3.1%
NEWS 283 1,487 0.4% 0.3%
COMP 98 1,309 0.1% 0.1%
INS databases 2,428 18,018 4.3% 2.7%
INS 1,668 13,200 2.8% 1.9%
INS90 288 1,178 0.6% 0.3%
INS85 173 741 0.4% 0.2%
INS80 117 1,498 0.2% 0.1%
INS69 182 1,401 0.3% 0.2%
MED databases 12,204 111,277 15.5% 13.8%
MED 9,737 100,625 11.5% 11.0%
MED90 1,217 5,233 1.7% 1.4%
MED85 569 2,353 1.0% 0.6%
MED80 306 1,449 0.6% 0.3%
MED75 181 505 0.3% 0.2%
MED66 194 1,112 0.3% 0.2%
PSYC 2,579 4,175 2.9% 2.9%
OCLC 8,701 11,366 9.2% 9.8%
RLG 981 1,122 1.4% 1.1%
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) 0 0 0
GEOREF (Stanford) 0 0 0
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 66 183 249
Arizona State University 0 1 1
Boston University 0 0 0
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 4 10 14
Cambridge University, England 0 1 1
CARL 0 0 0
CARL Uncover 2 2 4
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 0 15 15
DRA LC 0 1 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 1 2 3
Harvard 3 3 6
Library of Congress (LOCIS) 1 2 3
Los Angeles Public Library 4 0 4
National Agricultural Library 4 2 6
NLM AIDSDBS 0 2 2
NLM Databases (Medlars) 0 3 3
Northern Regional Lib Facility 81 25 106
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 79 79
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 18 48 66
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 6 18 24
SUNY Buffalo (BISON) 0 1 1
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 37 140 177
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 4 6 10
UCLA ORION 0 1 1
UCSC CRUZCAT 0 6 6
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 1 1
UCSF Catalog 0 2 2
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 2 2
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 2 2
Virginia Polytechnic Institute 0 0 0
Weather 0 2 2
WRLC 0 0 0
Yale 2 1 3
Other 1 2 3
_______ ______ _____
Total number of USE commands 235 563 798
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 2.8
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.5
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 72
SAVE SET 80
RECALL SET 1
DELETE/CLEAR SET 2
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,290
1.7.2 REQUEST Commands
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Number of REQUEST Commands 119
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 1 0 1
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 0 3 3
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 1 1
_______ ______ _____
1 5 6
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 5
CC 5
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 0
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 16
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 10/12/01 3,355
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)