MELVYL SYSTEM TELNET STATISTICS
Time period: 09/01/01 through 09/07/01
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 1,052 4,667 5,719
Davis 2,854 255 3,109
Irvine 1,027 0 1,027
Los Angeles 17 1,572 1,589
Riverside 475 206 681
San Diego 507 873 1,380
San Francisco 1,360 0 1,360
Santa Barbara 173 436 609
Santa Cruz 268 312 580
NRLF 0 0 0
SRLF 0 0 0
LBL 0 167 167
LLL 0 122 122
Los Alamos 0 7 7
Other - UC 51 405 456
CSL 0 96 96
CSU n/a 180 180
Stanford n/a 108 108
Other - Non UC n/a 8,635 8,635
_______ ______ _____
7,784 18,041 25,825
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 13 12-2 p.m. 49
2-4 a.m. 15 2-4 p.m. 57
4-6 a.m. 12 4-6 p.m. 40
6-8 a.m. 11 6-8 p.m. 17
8-10 a.m. 34 8-10 p.m. 11
10-12 a.m. 55 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 09/04/01 at 11:28:21 total number of users: 113
For MELVYL MEDLINE on 09/07/01 at 14:50:09 total number of users: 20
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 416.83
For Non-UC users (hrs:mins) 13.30
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2,814 13,210 16,024
Davis 9,590 810 10,400
Irvine 3,071 0 3,071
Los Angeles 42 4,269 4,311
Riverside 1,672 584 2,256
San Diego 1,751 2,673 4,424
San Francisco 3,905 0 3,905
Santa Barbara 681 1,270 1,951
Santa Cruz 2,453 769 3,222
NRLF 0 0 0
SRLF 0 0 0
LBL 0 319 319
LLL 0 892 892
Los Alamos 0 16 16
Other - UC 90 1,159 1,249
CSL 0 180 180
CSU n/a 709 709
Stanford n/a 275 275
Other - Non UC n/a 26,703 26,703
_______ ______ _____
26,069 53,838 79,907
Average number of FIND commands per hour:
12-2 a.m. 62 12-2 p.m. 424
2-4 a.m. 50 2-4 p.m. 542
4-6 a.m. 51 4-6 p.m. 350
6-8 a.m. 93 6-8 p.m. 144
8-10 a.m. 296 8-10 p.m. 69
10-12 a.m. 493 10-12 p.m. 97
Total number of FIND commands 79,907
Peak hourly load of 1,041 FIND commands occurred on 09/05/01 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 26,050 123,692 149,742
Davis 66,879 5,300 72,179
Irvine 26,741 0 26,741
Los Angeles 793 45,471 46,264
Riverside 14,338 5,874 20,212
San Diego 7,273 21,305 28,578
San Francisco 37,599 0 37,599
Santa Barbara 6,949 14,698 21,647
Santa Cruz 10,953 7,623 18,576
NRLF 0 0 0
SRLF 0 0 0
LBL 0 3,030 3,030
LLL 0 7,423 7,423
Los Alamos 0 113 113
Other - UC 671 10,282 10,953
CSL 0 1,021 1,021
CSU n/a 6,050 6,050
Stanford n/a 2,489 2,489
Other - Non UC n/a 187,184 187,184
_______ ______ _____
198,246 441,555 639,801
Average number of records displayed per hour:
12-2 a.m. 994 12-2 p.m. 7,522
2-4 a.m. 743 2-4 p.m. 8,875
4-6 a.m. 609 4-6 p.m. 5,975
6-8 a.m. 1,496 6-8 p.m. 2,962
8-10 a.m. 5,289 8-10 p.m. 1,829
10-12 a.m. 8,508 10-12 p.m. 1,671
Total number of Records Displayed 639,801
Peak hourly load of 16,084 records displayed occurred on 09/05/01 at 11 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 36,191 250,790 41.5% 45.3%
TEN 0 0 0.0% 0.0%
PE 3,278 25,261 4.6% 4.1%
ABI 520 765 0.8% 0.7%
BIOSIS 2,673 3,222 3.7% 3.3%
CC databases 7,091 63,462 9.3% 8.9%
CC 7,025 61,185 9.0% 8.8%
CCT 66 2,277 0.3% 0.1%
IAC databases 1,795 23,318 2.7% 2.2%
MAGS 1,529 21,383 2.3% 1.9%
NEWS 136 652 0.2% 0.2%
COMP 130 1,283 0.2% 0.2%
INS databases 2,806 19,112 5.2% 3.5%
INS 1,863 13,491 3.4% 2.3%
INS90 370 2,080 0.7% 0.5%
INS85 202 679 0.4% 0.3%
INS80 170 891 0.4% 0.2%
INS69 201 1,971 0.3% 0.3%
MED databases 11,589 118,711 16.7% 14.5%
MED 9,218 105,873 12.2% 11.5%
MED90 1,026 5,561 1.9% 1.3%
MED85 520 2,355 1.0% 0.7%
MED80 402 2,773 0.8% 0.5%
MED75 202 1,046 0.4% 0.3%
MED66 221 1,103 0.3% 0.3%
PSYC 2,902 3,415 2.6% 3.6%
OCLC 9,884 12,556 11.2% 12.4%
RLG 945 913 1.2% 1.2%
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 70 112 182
Arizona State University 0 2 2
Boston University 0 0 0
California State Library 0 2 2
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 6 9 15
Cambridge University, England 0 1 1
CARL 0 0 0
CARL Uncover 0 2 2
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 1 6 7
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 4 4
Harvard 8 5 13
Library of Congress (LOCIS) 1 2 3
Los Angeles Public Library 1 1 2
National Agricultural Library 1 2 3
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 1 0 1
Northern Regional Lib Facility 51 28 79
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 37 37
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 38 55 93
San Francisco State University 0 1 1
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 3 33 36
SUNY Buffalo (BISON) 0 3 3
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 19 111 130
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 0 1
UCLA ORION 0 0 0
UCSC CRUZCAT 0 0 0
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 1 1
UCSF Catalog 0 1 1
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 1 1
Univ. of Michigan 1 1 2
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 1 1
Virginia Polytechnic Institute 0 0 0
Weather 0 1 1
WRLC 0 1 1
Yale 0 0 0
Other 2 0 2
_______ ______ _____
Total number of USE commands 204 423 627
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 3.3
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 244
SAVE SET 200
RECALL SET 8
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 1,219
1.7.2 REQUEST Commands
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Number of REQUEST Commands 125
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 1 0 1
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 2 2
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 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
_______ ______ _____
7 4 11
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 5
CC 4
CCT 1
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 5
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 14
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 09/07/01 3,372
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)