MELVYL SYSTEM TELNET STATISTICS
Time period: 10/27/01 through 11/02/01
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 1,346 4,944 6,290
Davis 3,861 427 4,288
Irvine 1,295 0 1,295
Los Angeles 32 1,825 1,857
Riverside 591 246 837
San Diego 636 1,075 1,711
San Francisco 1,340 0 1,340
Santa Barbara 345 399 744
Santa Cruz 249 401 650
NRLF 0 0 0
SRLF 0 0 0
LBL 0 336 336
LLL 0 172 172
Los Alamos 0 7 7
Other - UC 34 573 607
CSL 0 172 172
CSU n/a 260 260
Stanford n/a 172 172
Other - Non UC n/a 8,119 8,119
_______ ______ _____
9,729 19,128 28,857
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. 61
2-4 a.m. 10 2-4 p.m. 68
4-6 a.m. 9 4-6 p.m. 45
6-8 a.m. 10 6-8 p.m. 19
8-10 a.m. 39 8-10 p.m. 14
10-12 a.m. 66 10-12 p.m. 11
Maximum of active users in a 2 minute interval:
For MELVYL system on 10/31/01 at 11:19:02 total number of users: 117
For MELVYL MEDLINE on 10/29/01 at 15:08:29 total number of users: 21
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 489.37
For Non-UC users (hrs:mins) 16.90
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 4,144 13,664 17,808
Davis 12,387 1,447 13,834
Irvine 4,107 0 4,107
Los Angeles 72 5,239 5,311
Riverside 2,032 663 2,695
San Diego 1,900 3,205 5,105
San Francisco 3,700 0 3,700
Santa Barbara 1,650 1,226 2,876
Santa Cruz 2,082 1,013 3,095
NRLF 0 0 0
SRLF 0 0 0
LBL 0 640 640
LLL 0 433 433
Los Alamos 0 25 25
Other - UC 38 1,534 1,572
CSL 0 213 213
CSU n/a 1,308 1,308
Stanford n/a 499 499
Other - Non UC n/a 24,226 24,226
_______ ______ _____
32,112 55,335 87,447
Average number of FIND commands per hour:
12-2 a.m. 40 12-2 p.m. 535
2-4 a.m. 39 2-4 p.m. 593
4-6 a.m. 39 4-6 p.m. 347
6-8 a.m. 84 6-8 p.m. 156
8-10 a.m. 344 8-10 p.m. 97
10-12 a.m. 561 10-12 p.m. 67
Total number of FIND commands 87,447
Peak hourly load of 1,041 FIND commands occurred on 10/30/01 at 10 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 33,163 138,058 171,221
Davis 96,140 8,869 105,009
Irvine 37,667 0 37,667
Los Angeles 2,133 181,347 183,480
Riverside 18,071 5,945 24,016
San Diego 10,143 29,932 40,075
San Francisco 36,530 0 36,530
Santa Barbara 12,944 14,226 27,170
Santa Cruz 7,049 9,977 17,026
NRLF 0 0 0
SRLF 0 0 0
LBL 0 4,859 4,859
LLL 0 3,947 3,947
Los Alamos 0 435 435
Other - UC 143 12,036 12,179
CSL 0 1,661 1,661
CSU n/a 13,541 13,541
Stanford n/a 2,902 2,902
Other - Non UC n/a 198,326 198,326
_______ ______ _____
253,983 626,061 880,044
Average number of records displayed per hour:
12-2 a.m. 606 12-2 p.m. 9,701
2-4 a.m. 1,009 2-4 p.m. 11,092
4-6 a.m. 434 4-6 p.m. 8,088
6-8 a.m. 1,703 6-8 p.m. 5,658
8-10 a.m. 5,463 8-10 p.m. 8,217
10-12 a.m. 10,127 10-12 p.m. 1,673
Total number of Records Displayed 880,044
Peak hourly load of 44,567 records displayed occurred on 10/30/01 at 9 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 40,785 294,154 44.0% 46.6%
TEN 0 0 0.0% 0.0%
PE 4,249 34,914 4.6% 4.9%
ABI 429 737 0.6% 0.5%
BIOSIS 2,805 3,683 3.3% 3.2%
CC databases 6,711 86,178 9.2% 7.7%
CC 6,582 79,248 8.9% 7.5%
CCT 129 6,930 0.3% 0.1%
IAC databases 2,554 26,621 3.5% 2.9%
MAGS 2,207 23,890 2.9% 2.5%
NEWS 184 1,170 0.3% 0.2%
COMP 163 1,561 0.2% 0.2%
INS databases 2,870 21,027 4.8% 3.3%
INS 1,940 15,204 2.9% 2.2%
INS90 375 2,267 0.8% 0.4%
INS85 211 1,215 0.5% 0.2%
INS80 164 1,235 0.4% 0.2%
INS69 180 1,106 0.3% 0.2%
MED databases 12,742 129,142 15.5% 14.6%
MED 10,245 115,513 11.4% 11.7%
MED90 1,190 7,107 1.8% 1.4%
MED85 524 2,365 0.9% 0.6%
MED80 318 1,446 0.6% 0.4%
MED75 231 1,213 0.5% 0.3%
MED66 234 1,498 0.3% 0.3%
PSYC 4,219 5,689 3.8% 4.8%
OCLC 8,343 11,504 9.1% 9.5%
RLG 1,469 1,692 1.2% 1.7%
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 126 119 245
Arizona State University 0 2 2
Boston University 0 0 0
California State Library 0 3 3
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 10 4 14
Cambridge University, England 0 17 17
CARL 0 3 3
CARL Uncover 5 10 15
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 39 39
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 2 2
Harvard 0 5 5
Library of Congress (LOCIS) 1 2 3
Los Angeles Public Library 0 1 1
National Agricultural Library 5 4 9
NLM AIDSDBS 0 1 1
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 128 15 143
New York Public Library 0 2 2
OCEAN Information Center 0 0 0
OCLC Catalog 0 107 107
OCLC EPIC 0 0 0
Oxford University, England 0 1 1
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 20 65 85
San Francisco State University 0 0 0
San Jose State University 0 1 1
Santa Clara University (OSCAR) 0 0 0
Stanford University 6 21 27
SUNY Buffalo (BISON) 0 0 0
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 50 86 136
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 4 0 4
UCLA ORION 0 0 0
UCSC CRUZCAT 0 0 0
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 0 1
UCSF Catalog 3 0 3
Univ. of Hawaii 0 0 0
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 1 1
Virginia Polytechnic Institute 0 0 0
Weather 2 1 3
WRLC 0 0 0
Yale 5 6 11
Other 0 0 0
_______ ______ _____
Total number of USE commands 366 518 883
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.8
Standard deviation in seconds 4.0
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.4
1.5 Online Publications
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Current Cites 1
DLA Bulletin 0
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 152
SAVE SET 192
RECALL SET 7
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 1,004
1.7.2 REQUEST Commands
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Number of REQUEST Commands 115
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 2 2
Davis 0 0 0
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 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 1 0 1
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 0 0
Other - Non UC n/a 1 1
_______ ______ _____
1 3 4
1.7.4 Number of UPDATE commands by Database
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CAT 3
PE 0
TEN 0
CC databases 0
CC 0
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 0
INS 0
PSYC 0
ABI 0
BIOSIS 1
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 31
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 11/02/01 3,342
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)