MELVYL SYSTEM TELNET STATISTICS
Time period: 08/18/01 through 08/24/01
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 824 4,662 5,486
Davis 2,776 438 3,214
Irvine 1,388 0 1,388
Los Angeles 6 1,782 1,788
Riverside 685 246 931
San Diego 751 865 1,616
San Francisco 1,665 0 1,665
Santa Barbara 274 422 696
Santa Cruz 409 404 813
NRLF 0 0 0
SRLF 0 0 0
LBL 0 293 293
LLL 0 191 191
Los Alamos 0 2 2
Other - UC 55 416 471
CSL 0 141 141
CSU n/a 180 180
Stanford n/a 321 321
Other - Non UC n/a 8,870 8,870
_______ ______ _____
8,833 19,233 28,066
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. 59
2-4 a.m. 12 2-4 p.m. 65
4-6 a.m. 10 4-6 p.m. 43
6-8 a.m. 10 6-8 p.m. 16
8-10 a.m. 40 8-10 p.m. 10
10-12 a.m. 62 10-12 p.m. 12
Maximum of active users in a 2 minute interval:
For MELVYL system on 08/22/01 at 11:22:24 total number of users: 109
For MELVYL MEDLINE on 08/22/01 at 11:48:30 total number of users: 22
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 509.70
For Non-UC users (hrs:mins) 26.77
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2,239 13,652 15,891
Davis 10,771 1,641 12,412
Irvine 4,327 0 4,327
Los Angeles 16 5,447 5,463
Riverside 2,189 627 2,816
San Diego 4,622 2,336 6,958
San Francisco 5,119 0 5,119
Santa Barbara 926 1,216 2,142
Santa Cruz 2,620 1,171 3,791
NRLF 0 0 0
SRLF 0 0 0
LBL 0 581 581
LLL 0 1,036 1,036
Los Alamos 0 19 19
Other - UC 85 1,247 1,332
CSL 0 173 173
CSU n/a 726 726
Stanford n/a 960 960
Other - Non UC n/a 26,536 26,536
_______ ______ _____
32,914 57,368 90,282
Average number of FIND commands per hour:
12-2 a.m. 59 12-2 p.m. 555
2-4 a.m. 35 2-4 p.m. 678
4-6 a.m. 40 4-6 p.m. 424
6-8 a.m. 83 6-8 p.m. 146
8-10 a.m. 376 8-10 p.m. 72
10-12 a.m. 611 10-12 p.m. 69
Total number of FIND commands 90,282
Peak hourly load of 1,205 FIND commands occurred on 08/21/01 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 18,873 118,542 137,415
Davis 81,265 8,900 90,165
Irvine 28,682 0 28,682
Los Angeles 100 50,826 50,926
Riverside 15,139 6,340 21,479
San Diego 18,823 152,427 171,250
San Francisco 56,077 0 56,077
Santa Barbara 9,228 16,837 26,065
Santa Cruz 10,049 11,069 21,118
NRLF 0 0 0
SRLF 0 0 0
LBL 0 7,612 7,612
LLL 0 10,720 10,720
Los Alamos 0 165 165
Other - UC 545 9,904 10,449
CSL 0 1,316 1,316
CSU n/a 6,936 6,936
Stanford n/a 9,613 9,613
Other - Non UC n/a 244,182 244,182
_______ ______ _____
238,781 655,389 894,170
Average number of records displayed per hour:
12-2 a.m. 983 12-2 p.m. 10,372
2-4 a.m. 630 2-4 p.m. 17,256
4-6 a.m. 535 4-6 p.m. 7,839
6-8 a.m. 2,895 6-8 p.m. 3,070
8-10 a.m. 6,011 8-10 p.m. 1,602
10-12 a.m. 11,888 10-12 p.m. 1,660
Total number of Records Displayed 894,170
Peak hourly load of 63,548 records displayed occurred on 08/20/01 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 43,965 333,692 43.5% 48.7%
TEN 0 0 0.0% 0.0%
PE 4,102 31,791 5.4% 4.5%
ABI 537 663 0.6% 0.6%
BIOSIS 2,981 3,253 3.4% 3.3%
CC databases 7,493 63,635 8.5% 8.3%
CC 7,417 60,666 8.3% 8.2%
CCT 76 2,969 0.2% 0.1%
IAC databases 2,533 158,596 2.9% 2.8%
MAGS 2,145 24,183 2.5% 2.4%
NEWS 272 127,241 0.3% 0.3%
COMP 116 7,172 0.1% 0.1%
INS databases 2,542 17,669 4.2% 2.8%
INS 1,745 14,088 2.7% 1.9%
INS90 311 1,326 0.6% 0.3%
INS85 197 1,169 0.4% 0.2%
INS80 123 345 0.3% 0.1%
INS69 166 741 0.2% 0.2%
MED databases 14,404 160,929 17.1% 16.0%
MED 11,482 134,389 12.2% 12.7%
MED90 1,291 7,215 2.1% 1.4%
MED85 697 3,695 1.2% 0.8%
MED80 432 2,915 0.7% 0.5%
MED75 233 1,271 0.4% 0.3%
MED66 269 11,444 0.4% 0.3%
PSYC 3,540 5,348 2.9% 3.9%
OCLC 6,818 8,334 9.6% 7.6%
RLG 951 1,098 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 106 142 248
Arizona State University 0 3 3
Boston University 0 0 0
California State Library 0 2 2
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 1 1
Cal State Univ., Hayward 10 4 14
Cambridge University, England 0 2 2
CARL 0 2 2
CARL Uncover 0 4 4
Chicano/Latino Net Gopher 0 0 0
Claremont College 1 0 1
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 2 39 41
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 2 2
Harvard 0 13 13
Library of Congress (LOCIS) 2 3 5
Los Angeles Public Library 0 2 2
National Agricultural Library 2 2 4
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 1 1
Northern Regional Lib Facility 53 39 92
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 84 84
OCLC EPIC 0 0 0
Oxford University, England 0 2 2
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 62 79 141
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 4 60 64
SUNY Buffalo (BISON) 2 3 5
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 31 114 145
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 1 2
UCLA ORION 0 1 1
UCSC CRUZCAT 1 1 2
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 3 4
UCSF Catalog 2 0 2
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 1 0 1
Virginia Polytechnic Institute 0 0 0
Weather 0 2 2
WRLC 0 0 0
Yale 3 2 5
Other 0 0 0
_______ ______ _____
Total number of USE commands 284 614 898
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 3.4
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.3
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 152
SAVE SET 179
RECALL SET 57
DELETE/CLEAR SET 5
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,087
1.7.2 REQUEST Commands
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Number of REQUEST Commands 126
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 0 0
Riverside 0 0 0
San Diego 0 0 0
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 0 0
_______ ______ _____
6 1 7
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 1
CC 1
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 3
INS 0
PSYC 2
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 9
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 1
Number of REDO UPDATE commands 0
Total number of UPDATEs on 08/24/01 3,351
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)