MELVYL SYSTEM TELNET STATISTICS
Time period: 11/10/01 through 11/16/01
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 1,307 4,699 6,006
Davis 3,058 377 3,435
Irvine 1,332 0 1,332
Los Angeles 38 1,578 1,616
Riverside 523 239 762
San Diego 520 973 1,493
San Francisco 1,421 0 1,421
Santa Barbara 295 338 633
Santa Cruz 258 279 537
NRLF 0 0 0
SRLF 0 0 0
LBL 0 193 193
LLL 0 190 190
Los Alamos 0 0 0
Other - UC 47 557 604
CSL 0 98 98
CSU n/a 235 235
Stanford n/a 124 124
Other - Non UC n/a 7,737 7,737
_______ ______ _____
8,799 17,617 26,416
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. 56
2-4 a.m. 14 2-4 p.m. 60
4-6 a.m. 12 4-6 p.m. 40
6-8 a.m. 12 6-8 p.m. 17
8-10 a.m. 35 8-10 p.m. 13
10-12 a.m. 57 10-12 p.m. 12
Maximum of active users in a 2 minute interval:
For MELVYL system on 11/14/01 at 11:00:28 total number of users: 138
For MELVYL MEDLINE on 11/14/01 at 12:00:44 total number of users: 16
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 421.33
For Non-UC users (hrs:mins) 10.80
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,846 13,479 17,325
Davis 10,262 1,182 11,444
Irvine 5,458 0 5,458
Los Angeles 84 4,625 4,709
Riverside 1,664 614 2,278
San Diego 1,623 2,686 4,309
San Francisco 4,145 0 4,145
Santa Barbara 1,402 1,124 2,526
Santa Cruz 2,403 760 3,163
NRLF 0 0 0
SRLF 0 0 0
LBL 0 434 434
LLL 0 664 664
Los Alamos 0 0 0
Other - UC 46 1,713 1,759
CSL 0 97 97
CSU n/a 776 776
Stanford n/a 325 325
Other - Non UC n/a 25,166 25,166
_______ ______ _____
30,933 53,645 84,578
Average number of FIND commands per hour:
12-2 a.m. 54 12-2 p.m. 564
2-4 a.m. 49 2-4 p.m. 581
4-6 a.m. 46 4-6 p.m. 354
6-8 a.m. 103 6-8 p.m. 153
8-10 a.m. 308 8-10 p.m. 94
10-12 a.m. 539 10-12 p.m. 79
Total number of FIND commands 84,578
Peak hourly load of 1,052 FIND commands occurred on 11/15/01 at 1 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 34,075 126,617 160,692
Davis 72,762 7,350 80,112
Irvine 50,270 0 50,270
Los Angeles 671 45,776 46,447
Riverside 12,711 5,562 18,273
San Diego 7,648 42,050 49,698
San Francisco 37,996 0 37,996
Santa Barbara 11,521 11,938 23,459
Santa Cruz 7,770 7,628 15,398
NRLF 0 0 0
SRLF 0 0 0
LBL 0 8,393 8,393
LLL 0 4,568 4,568
Los Alamos 0 0 0
Other - UC 249 16,456 16,705
CSL 0 853 853
CSU n/a 8,498 8,498
Stanford n/a 1,509 1,509
Other - Non UC n/a 220,541 220,541
_______ ______ _____
235,673 507,739 743,412
Average number of records displayed per hour:
12-2 a.m. 673 12-2 p.m. 10,170
2-4 a.m. 1,256 2-4 p.m. 11,389
4-6 a.m. 586 4-6 p.m. 6,534
6-8 a.m. 1,463 6-8 p.m. 3,815
8-10 a.m. 4,847 8-10 p.m. 2,290
10-12 a.m. 9,040 10-12 p.m. 1,954
Total number of Records Displayed 743,412
Peak hourly load of 19,085 records displayed occurred on 11/10/01 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 41,814 300,392 45.4% 49.4%
TEN 0 0 0.0% 0.0%
PE 4,243 38,193 4.9% 5.0%
ABI 609 837 0.6% 0.7%
BIOSIS 2,855 3,624 3.8% 3.4%
CC databases 7,322 71,322 9.7% 8.7%
CC 7,236 68,679 9.4% 8.6%
CCT 86 2,643 0.3% 0.1%
IAC databases 3,375 39,010 4.5% 4.0%
MAGS 2,988 33,519 3.9% 3.5%
NEWS 284 5,021 0.5% 0.3%
COMP 103 470 0.2% 0.1%
INS databases 2,501 23,280 4.4% 3.0%
INS 1,672 14,468 2.8% 2.0%
INS90 306 2,674 0.6% 0.4%
INS85 189 1,217 0.4% 0.2%
INS80 153 712 0.3% 0.2%
INS69 181 4,209 0.3% 0.2%
MED databases 11,851 125,591 15.8% 14.0%
MED 9,064 95,605 11.3% 10.7%
MED90 1,232 12,552 1.8% 1.5%
MED85 700 11,183 1.1% 0.8%
MED80 395 2,622 0.7% 0.5%
MED75 244 1,457 0.5% 0.3%
MED66 216 2,172 0.4% 0.3%
PSYC 3,097 3,929 3.1% 3.7%
OCLC 5,632 7,218 5.9% 6.7%
RLG 1,009 1,327 1.3% 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 91 140 231
Arizona State University 0 0 0
Boston University 0 0 0
California State Library 1 2 3
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 0 0
CARL 1 0 1
CARL Uncover 4 11 15
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 1 0 1
Dartmouth College 0 2 2
DIALOG 1 32 33
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 1 1
Harvard 1 8 9
Library of Congress (LOCIS) 5 6 11
Los Angeles Public Library 0 1 1
National Agricultural Library 2 2 4
NLM AIDSDBS 1 0 1
NLM Databases (Medlars) 1 0 1
Northern Regional Lib Facility 94 14 108
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 83 83
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 20 75 95
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 5 12 17
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 36 116 152
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 6 1 7
UCLA ORION 1 0 1
UCSC CRUZCAT 0 1 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 2 3
UCSF Catalog 0 2 2
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 0 7 7
WRLC 0 0 0
Yale 8 1 9
Other 0 0 0
_______ ______ _____
Total number of USE commands 284 530 814
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 3.7
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.2
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 79
SAVE SET 123
RECALL SET 0
DELETE/CLEAR SET 10
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,128
1.7.2 REQUEST Commands
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Number of REQUEST Commands 94
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 7 7
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 0 0 0
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 0 0
Other - Non UC n/a 0 0
_______ ______ _____
0 7 7
1.7.4 Number of UPDATE commands by Database
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CAT 0
PE 0
TEN 0
CC databases 7
CC 7
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 8
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 11/16/01 2,940
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)