MELVYL SYSTEM TELNET STATISTICS
Time period: 11/03/01 through 11/09/01
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 1,362 5,289 6,651
Davis 3,741 439 4,180
Irvine 1,301 0 1,301
Los Angeles 55 2,159 2,214
Riverside 558 307 865
San Diego 622 959 1,581
San Francisco 1,441 0 1,441
Santa Barbara 379 379 758
Santa Cruz 347 288 635
NRLF 0 0 0
SRLF 0 0 0
LBL 0 351 351
LLL 0 116 116
Los Alamos 0 3 3
Other - UC 39 557 596
CSL 0 161 161
CSU n/a 210 210
Stanford n/a 166 166
Other - Non UC n/a 8,030 8,030
_______ ______ _____
9,845 19,414 29,259
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 12 12-2 p.m. 62
2-4 a.m. 12 2-4 p.m. 69
4-6 a.m. 10 4-6 p.m. 46
6-8 a.m. 11 6-8 p.m. 19
8-10 a.m. 41 8-10 p.m. 13
10-12 a.m. 65 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 11/06/01 at 13:40:45 total number of users: 115
For MELVYL MEDLINE on 11/06/01 at 15:39:00 total number of users: 19
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 527.47
For Non-UC users (hrs:mins) 18.53
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,790 15,288 19,078
Davis 11,862 1,537 13,399
Irvine 4,586 0 4,586
Los Angeles 230 5,830 6,060
Riverside 2,105 825 2,930
San Diego 1,923 2,911 4,834
San Francisco 4,102 0 4,102
Santa Barbara 1,992 981 2,973
Santa Cruz 2,939 789 3,728
NRLF 0 0 0
SRLF 0 0 0
LBL 0 660 660
LLL 0 303 303
Los Alamos 0 2 2
Other - UC 51 1,411 1,462
CSL 0 157 157
CSU n/a 811 811
Stanford n/a 566 566
Other - Non UC n/a 26,811 26,811
_______ ______ _____
33,580 58,882 92,462
Average number of FIND commands per hour:
12-2 a.m. 58 12-2 p.m. 553
2-4 a.m. 58 2-4 p.m. 698
4-6 a.m. 57 4-6 p.m. 376
6-8 a.m. 106 6-8 p.m. 149
8-10 a.m. 345 8-10 p.m. 85
10-12 a.m. 627 10-12 p.m. 83
Total number of FIND commands 92,462
Peak hourly load of 1,109 FIND commands occurred on 11/08/01 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 32,255 150,704 182,959
Davis 138,066 10,007 148,073
Irvine 43,108 0 43,108
Los Angeles 2,606 52,920 55,526
Riverside 18,195 6,937 25,132
San Diego 8,811 28,839 37,650
San Francisco 41,615 0 41,615
Santa Barbara 16,863 10,615 27,478
Santa Cruz 7,636 9,513 17,149
NRLF 0 0 0
SRLF 0 0 0
LBL 0 7,134 7,134
LLL 0 2,719 2,719
Los Alamos 0 0 0
Other - UC 500 14,756 15,256
CSL 0 815 815
CSU n/a 11,674 11,674
Stanford n/a 3,657 3,657
Other - Non UC n/a 202,269 202,269
_______ ______ _____
309,655 512,559 822,214
Average number of records displayed per hour:
12-2 a.m. 1,003 12-2 p.m. 9,586
2-4 a.m. 1,233 2-4 p.m. 14,672
4-6 a.m. 591 4-6 p.m. 6,943
6-8 a.m. 1,767 6-8 p.m. 4,097
8-10 a.m. 6,048 8-10 p.m. 2,281
10-12 a.m. 10,526 10-12 p.m. 1,294
Total number of Records Displayed 822,214
Peak hourly load of 35,672 records displayed occurred on 11/03/01 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 46,146 335,776 44.8% 49.9%
TEN 0 0 0.0% 0.0%
PE 4,479 38,902 4.6% 4.8%
ABI 470 715 0.8% 0.5%
BIOSIS 3,290 4,119 3.7% 3.6%
CC databases 7,414 93,196 9.2% 8.0%
CC 7,070 81,877 8.8% 7.6%
CCT 344 11,319 0.4% 0.4%
IAC databases 2,882 31,933 3.8% 3.1%
MAGS 2,567 28,875 3.3% 2.8%
NEWS 219 2,318 0.3% 0.2%
COMP 96 740 0.2% 0.1%
INS databases 2,487 19,362 4.3% 2.7%
INS 1,694 14,210 2.7% 1.8%
INS90 292 2,198 0.6% 0.3%
INS85 184 1,380 0.4% 0.2%
INS80 159 662 0.3% 0.2%
INS69 158 912 0.3% 0.2%
MED databases 12,637 154,259 15.8% 13.7%
MED 9,929 110,256 11.3% 10.7%
MED90 1,154 8,679 1.9% 1.2%
MED85 621 10,315 1.0% 0.7%
MED80 384 8,608 0.6% 0.4%
MED75 283 7,429 0.4% 0.3%
MED66 266 8,972 0.4% 0.3%
PSYC 3,504 5,032 3.4% 3.8%
OCLC 7,979 11,062 8.3% 8.6%
RLG 928 1,066 1.0% 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) 0 0 0
GEOREF (Stanford) 0 0 0
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 66 139 205
Arizona State University 1 1 2
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 1 7 8
Cambridge University, England 1 0 1
CARL 0 1 1
CARL Uncover 6 6 12
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 1 1
Dartmouth College 1 0 1
DIALOG 0 34 34
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 1 1
Harvard 2 4 6
Library of Congress (LOCIS) 3 26 29
Los Angeles Public Library 0 0 0
National Agricultural Library 2 0 2
NLM AIDSDBS 0 2 2
NLM Databases (Medlars) 2 0 2
Northern Regional Lib Facility 136 16 152
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 92 92
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 23 95 118
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 4 6 10
SUNY Buffalo (BISON) 1 1 2
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 35 108 143
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 6 3 9
UCLA ORION 0 2 2
UCSC CRUZCAT 0 0 0
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 0 0
UCSF Catalog 1 0 1
Univ. of Hawaii 0 1 1
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 0 0
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 0 0 0
_______ ______ _____
Total number of USE commands 296 551 847
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 0.5
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 165
SAVE SET 185
RECALL SET 2
DELETE/CLEAR SET 0
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,142
1.7.2 REQUEST Commands
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Number of REQUEST Commands 91
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 3 0 3
Irvine 1 0 1
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 2 0 2
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 3 3
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
_______ ______ _____
6 3 9
1.7.4 Number of UPDATE commands by Database
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CAT 6
PE 0
TEN 0
CC databases 3
CC 3
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 20
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 1
Total number of UPDATEs on 11/09/01 3,161
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)