MELVYL SYSTEM TELNET STATISTICS
Time period: 07/01/01 through 07/31/01
1.0 GENERAL STATISTICS (includes all databases)
________________________________________________
1.1 System load
________________
1.1.1 Total sessions:
______________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 4,682 21,197 25,879
Davis 13,294 1,771 15,065
Irvine 6,406 0 6,406
Los Angeles 124 9,169 9,293
Riverside 3,090 1,395 4,485
San Diego 3,153 4,844 7,997
San Francisco 8,613 0 8,613
Santa Barbara 1,226 1,981 3,207
Santa Cruz 2,076 1,677 3,753
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1,229 1,229
LLL 0 767 767
Los Alamos 0 77 77
Other - UC 217 2,038 2,255
CSL 0 619 619
CSU n/a 969 969
Stanford n/a 1,536 1,536
Other - Non UC n/a 40,616 40,616
_______ ______ _____
42,881 89,885 132,766
1.1.2 Active users
___________________
Average number of active users in a 2 minute interval:
12-2 a.m. 12 12-2 p.m. 59
2-4 a.m. 12 2-4 p.m. 69
4-6 a.m. 10 4-6 p.m. 45
6-8 a.m. 11 6-8 p.m. 18
8-10 a.m. 41 8-10 p.m. 12
10-12 a.m. 65 10-12 p.m. 13
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 2629.03
For Non-UC users (hrs:mins) 120.40
1.1.3 FIND commands
____________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 13,231 61,465 74,696
Davis 46,507 5,814 52,321
Irvine 21,735 0 21,735
Los Angeles 320 26,721 27,041
Riverside 12,991 3,401 16,392
San Diego 12,348 12,365 24,713
San Francisco 26,938 0 26,938
Santa Barbara 3,906 5,514 9,420
Santa Cruz 10,790 4,860 15,650
NRLF 0 0 0
SRLF 0 0 0
LBL 0 2,832 2,832
LLL 0 5,413 5,413
Los Alamos 0 106 106
Other - UC 294 6,522 6,816
CSL 0 1,126 1,126
CSU n/a 3,729 3,729
Stanford n/a 4,446 4,446
Other - Non UC n/a 123,722 123,722
_______ ______ _____
149,060 268,036 417,096
Average number of FIND commands per hour:
12-2 a.m. 67 12-2 p.m. 533
2-4 a.m. 61 2-4 p.m. 649
4-6 a.m. 55 4-6 p.m. 399
6-8 a.m. 109 6-8 p.m. 146
8-10 a.m. 375 8-10 p.m. 91
10-12 a.m. 581 10-12 p.m. 88
Total number of FIND commands 417,096
Peak hourly load of 1,191 FIND commands occurred on 07/12/01 at 2 pm
1.1.4 Records Displayed
________________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 110,679 549,638 660,317
Davis 441,783 32,493 474,276
Irvine 157,225 0 157,225
Los Angeles 3,974 244,582 248,556
Riverside 126,746 36,030 162,776
San Diego 65,416 464,775 530,191
San Francisco 275,349 0 275,349
Santa Barbara 35,381 56,956 92,337
Santa Cruz 45,128 52,191 97,319
NRLF 0 0 0
SRLF 0 0 0
LBL 0 26,851 26,851
LLL 0 62,757 62,757
Los Alamos 0 33,584 33,584
Other - UC 3,442 103,703 107,145
CSL 0 8,863 8,863
CSU n/a 36,087 36,087
Stanford n/a 38,979 38,979
Other - Non UC n/a 1,671,392 1,671,392
_______ ______ _____
1,265,123 3,418,881 4,684,004
Average number of records displayed per hour:
12-2 a.m. 1,031 12-2 p.m. 11,026
2-4 a.m. 950 2-4 p.m. 15,427
4-6 a.m. 757 4-6 p.m. 10,545
6-8 a.m. 5,157 6-8 p.m. 6,076
8-10 a.m. 8,278 8-10 p.m. 3,170
10-12 a.m. 13,909 10-12 p.m. 2,056
Total number of Records Displayed 4,684,004
Peak hourly load of 111,444 records displayed occurred on 07/27/01 at 10 am
1.2 Relative Use of Databases
______________________________
Number of Number of % of System % of System
Database FIND Commands Records Displayed Sessions Searches
________ _____________ _________________ ___________ ___________
CAT 181,729 2,022,269 40.8% 43.6%
TEN 0 0 0.0% 0.0%
PE 17,014 140,294 4.6% 4.1%
ABI 2,433 3,931 0.6% 0.6%
BIOSIS 13,657 16,188 3.4% 3.3%
CC databases 37,815 407,714 9.0% 9.1%
CC 37,191 384,936 8.7% 8.9%
CCT 624 22,778 0.3% 0.1%
IAC databases 11,614 350,336 3.2% 2.8%
MAGS 10,198 319,308 2.7% 2.4%
NEWS 934 5,995 0.3% 0.2%
COMP 482 25,033 0.1% 0.1%
INS databases 13,219 102,799 4.7% 3.2%
INS 8,907 75,232 2.9% 2.1%
INS90 1,529 9,247 0.6% 0.4%
INS85 1,094 5,736 0.5% 0.3%
INS80 768 5,410 0.3% 0.2%
INS69 921 7,174 0.3% 0.2%
MED databases 72,607 931,867 18.4% 17.4%
MED 57,376 839,808 13.3% 13.8%
MED90 7,050 43,949 2.3% 1.7%
MED85 3,405 23,771 1.2% 0.8%
MED80 2,179 11,397 0.8% 0.5%
MED75 1,287 6,366 0.5% 0.3%
MED66 1,310 6,576 0.4% 0.3%
PSYC 16,442 24,021 3.1% 3.9%
OCLC 45,851 57,637 10.7% 11.0%
RLG 3,379 4,037 0.9% 0.8%
1.3 USE command
________________
Number of USE commands issued by system (numbers are attempts to connect):
Library Remote Total
_______ ______ _____
Licensed Systems:
Congressional Quarterly 0 0 0
ERIC (Stanford) 9 38 47
GEOREF (Stanford) 35 241 276
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 296 604 900
Arizona State University 3 4 7
Boston University 1 1 2
California State Library 0 5 5
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 1 1
Cal State Univ., Hayward 48 195 243
Cambridge University, England 0 3 3
CARL 0 2 2
CARL Uncover 12 56 68
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 1 1
Cleveland Free-Net 3 0 3
Dartmouth College 0 3 3
DIALOG 4 113 117
DRA LC 0 8 8
Earthquake Engineering Abstracts 1 0 1
FS INFO 2 8 10
Harvard 2 11 13
Library of Congress (LOCIS) 6 31 37
Los Angeles Public Library 0 5 5
National Agricultural Library 12 2 14
NLM AIDSDBS 0 9 9
NLM Databases (Medlars) 4 5 9
Northern Regional Lib Facility 348 145 493
New York Public Library 1 3 4
OCEAN Information Center 0 0 0
OCLC Catalog 15 313 328
OCLC EPIC 0 1 1
Oxford University, England 0 7 7
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 150 369 519
San Francisco State University 0 1 1
San Jose State University 0 1 1
Santa Clara University (OSCAR) 0 0 0
Stanford University 23 181 204
SUNY Buffalo (BISON) 3 2 5
1.3 USE command (continued)
____________________________
Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 165 500 665
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 8 4 12
UCLA ORION 1 5 6
UCSC CRUZCAT 0 5 5
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 8 8
UCSF Catalog 6 3 9
Univ. of Hawaii 0 1 1
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 4 4
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 60 60
WRLC 0 1 1
Yale 14 3 17
Other 6 1 7
_______ ______ _____
Total number of USE commands 1,178 2,965 4,142
1.4 Response time
__________________
Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.6
Standard deviation in seconds 3.0
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.8
1.5 Online Publications
________________________
Current Cites 0
DLA Bulletin 2
Mynd of MELVYL 0
1.6 Search SET commands
________________________
FIND SET 714
SAVE SET 884
RECALL SET 8
DELETE/CLEAR SET 12
1.7 Special Commands
____________________
1.7.1 MAIL Commands
___________________
Number of MAIL Commands 6,055
1.7.2 REQUEST Commands
______________________
Number of REQUEST Commands 599
1.7.3 UPDATE Commands
_____________________
Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 3 3
Davis 9 0 9
Irvine 1 0 1
Los Angeles 0 1 1
Riverside 0 0 0
San Diego 0 1 1
San Francisco 6 0 6
Santa Barbara 3 7 10
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 15 15
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 1 1
Other - Non UC n/a 6 6
_______ ______ _____
19 34 53
1.7.4 Number of UPDATE commands by Database
___________________________________________
CAT 3
PE 0
TEN 0
CC databases 21
CC 18
CCT 3
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 24
INS 0
PSYC 3
ABI 0
BIOSIS 2
1.7.5 Other UPDATE Commands
___________________________
Number of RENEW UPDATE commands 98
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 07/31/01 3,354
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)