MELVYL SYSTEM TELNET STATISTICS
Time period: 03/01/01 through 03/31/01
1.0 GENERAL STATISTICS (includes all databases)
________________________________________________
1.1 System load
________________
1.1.1 Total sessions:
______________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 8,016 27,848 35,864
Davis 18,231 2,070 20,301
Irvine 9,399 0 9,399
Los Angeles 1,714 10,368 12,082
Riverside 4,402 1,606 6,008
San Diego 4,106 6,360 10,466
San Francisco 9,901 0 9,901
Santa Barbara 2,355 2,845 5,200
Santa Cruz 2,321 2,806 5,127
NRLF 0 0 0
SRLF 9 0 9
LBL 0 1,876 1,876
LLL 0 1,019 1,019
Los Alamos 0 64 64
Other - UC 319 2,516 2,835
CSL 0 753 753
CSU n/a 1,482 1,482
Stanford n/a 1,830 1,830
Other - Non UC n/a 42,846 42,846
_______ ______ _____
60,773 106,289 167,062
1.1.2 Active users
___________________
Average number of active users in a 2 minute interval:
12-2 a.m. 10 12-2 p.m. 73
2-4 a.m. 10 2-4 p.m. 85
4-6 a.m. 9 4-6 p.m. 57
6-8 a.m. 12 6-8 p.m. 23
8-10 a.m. 49 8-10 p.m. 17
10-12 a.m. 78 10-12 p.m. 13
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 3034.70
For Non-UC users (hrs:mins) 147.30
1.1.3 FIND commands
____________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 23,984 80,659 104,643
Davis 60,230 6,620 66,850
Irvine 31,757 0 31,757
Los Angeles 4,865 29,790 34,655
Riverside 15,529 4,861 20,390
San Diego 11,950 17,372 29,322
San Francisco 29,781 0 29,781
Santa Barbara 6,818 8,131 14,949
Santa Cruz 10,061 9,609 19,670
NRLF 0 0 0
SRLF 27 0 27
LBL 0 4,350 4,350
LLL 0 4,819 4,819
Los Alamos 0 164 164
Other - UC 537 6,743 7,280
CSL 0 1,959 1,959
CSU n/a 6,707 6,707
Stanford n/a 5,464 5,464
Other - Non UC n/a 144,940 144,940
_______ ______ _____
195,539 332,188 527,727
Average number of FIND commands per hour:
12-2 a.m. 62 12-2 p.m. 696
2-4 a.m. 52 2-4 p.m. 836
4-6 a.m. 49 4-6 p.m. 534
6-8 a.m. 104 6-8 p.m. 208
8-10 a.m. 422 8-10 p.m. 153
10-12 a.m. 734 10-12 p.m. 108
Total number of FIND commands 527,727
Peak hourly load of 1,360 FIND commands occurred on 03/05/01 at 2 pm
1.1.4 Records Displayed
________________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 206,595 810,546 1,017,141
Davis 466,462 42,048 508,510
Irvine 231,561 0 231,561
Los Angeles 48,753 302,723 351,476
Riverside 136,508 46,945 183,453
San Diego 72,458 175,592 248,050
San Francisco 338,857 0 338,857
Santa Barbara 54,778 80,967 135,745
Santa Cruz 63,043 74,573 137,616
NRLF 0 0 0
SRLF 143 0 143
LBL 0 46,481 46,481
LLL 0 49,127 49,127
Los Alamos 0 793 793
Other - UC 3,704 72,268 75,972
CSL 0 13,959 13,959
CSU n/a 76,479 76,479
Stanford n/a 48,151 48,151
Other - Non UC n/a 1,182,910 1,182,910
_______ ______ _____
1,622,862 3,023,562 4,646,424
Average number of records displayed per hour:
12-2 a.m. 1,413 12-2 p.m. 12,974
2-4 a.m. 981 2-4 p.m. 15,208
4-6 a.m. 787 4-6 p.m. 11,259
6-8 a.m. 1,930 6-8 p.m. 4,709
8-10 a.m. 7,956 8-10 p.m. 3,709
10-12 a.m. 13,341 10-12 p.m. 2,351
Total number of Records Displayed 4,646,424
Peak hourly load of 54,333 records displayed occurred on 03/17/01 at 4 pm
1.2 Relative Use of Databases
______________________________
Number of Number of % of System % of System
Database FIND Commands Records Displayed Sessions Searches
________ _____________ _________________ ___________ ___________
CAT 228,692 1,726,594 41.6% 43.3%
TEN 0 0 0.0% 0.0%
PE 23,318 214,959 4.3% 4.4%
ABI 3,414 5,906 0.7% 0.6%
BIOSIS 18,511 24,151 3.7% 3.5%
CC databases 45,685 444,823 9.4% 8.7%
CC 44,813 399,635 9.0% 8.5%
CCT 872 45,188 0.4% 0.2%
IAC databases 23,641 264,733 4.7% 4.5%
MAGS 21,371 227,565 4.1% 4.0%
NEWS 1,663 12,669 0.4% 0.3%
COMP 607 24,499 0.2% 0.1%
INS databases 15,539 113,237 4.2% 2.9%
INS 10,750 87,895 2.7% 2.0%
INS90 1,734 10,308 0.6% 0.3%
INS85 1,135 5,609 0.4% 0.2%
INS80 925 3,816 0.3% 0.2%
INS69 995 5,609 0.3% 0.2%
MED databases 83,875 826,055 17.6% 15.9%
MED 66,426 719,528 12.7% 12.6%
MED90 7,697 50,953 2.1% 1.5%
MED85 4,051 24,826 1.2% 0.8%
MED80 2,676 13,991 0.8% 0.5%
MED75 1,600 9,008 0.5% 0.3%
MED66 1,425 7,749 0.4% 0.3%
PSYC 21,301 29,771 3.4% 4.0%
OCLC 56,310 77,200 9.0% 10.7%
RLG 5,753 6,694 1.1% 1.1%
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) 72 171 243
GEOREF (Stanford) 116 465 581
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 436 592 1,028
Arizona State University 2 5 7
Boston University 1 5 6
California State Library 5 12 17
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 4 4
Cal State Univ., Hayward 22 44 66
Cambridge University, England 5 2 7
CARL 2 4 6
CARL Uncover 14 46 60
Chicano/Latino Net Gopher 0 0 0
Claremont College 1 0 1
Cleveland Free-Net 2 0 2
Dartmouth College 1 4 5
DIALOG 2 154 156
DRA LC 0 4 4
Earthquake Engineering Abstracts 0 0 0
FS INFO 6 8 14
Harvard 7 17 24
Library of Congress (LOCIS) 14 36 50
Los Angeles Public Library 0 9 9
National Agricultural Library 18 19 37
NLM AIDSDBS 1 6 7
NLM Databases (Medlars) 7 4 11
Northern Regional Lib Facility 362 135 497
New York Public Library 0 7 7
OCEAN Information Center 0 0 0
OCLC Catalog 8 342 350
OCLC EPIC 0 0 0
Oxford University, England 2 3 5
Princeton 0 5 5
Rensselaer Polytechnic Institute 0 1 1
RLIN 216 407 623
San Francisco State University 1 2 3
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 34 227 261
SUNY Buffalo (BISON) 6 7 13
1.3 USE command (continued)
____________________________
Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 296 626 922
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 13 6 19
UCLA ORION 4 14 18
UCSC CRUZCAT 6 15 21
UCSC INFOSLUG 0 0 0
UCSD ROGER 2 17 19
UCSF Catalog 39 5 44
Univ. of Hawaii 1 1 2
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 14 14
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 4 4 8
Virginia Polytechnic Institute 0 2 2
Weather 4 92 96
WRLC 1 0 1
Yale 27 21 48
Other 2 4 6
_______ ______ _____
Total number of USE commands 1,762 3,568 5,330
1.4 Response time
__________________
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 0.6
1.5 Online Publications
________________________
Current Cites 0
DLA Bulletin 2
Mynd of MELVYL 0
1.6 Search SET commands
________________________
FIND SET 1,015
SAVE SET 1,214
RECALL SET 78
DELETE/CLEAR SET 26
1.7 Special Commands
____________________
1.7.1 MAIL Commands
___________________
Number of MAIL Commands 8,477
1.7.2 REQUEST Commands
______________________
Number of REQUEST Commands 810
1.7.3 UPDATE Commands
_____________________
Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 8 9
Davis 0 0 0
Irvine 0 0 0
Los Angeles 0 6 6
Riverside 0 0 0
San Diego 0 0 0
San Francisco 6 0 6
Santa Barbara 1 0 1
Santa Cruz 0 1 1
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 2 2
Los Alamos 0 0 0
Other - UC 0 2 2
CSL 0 0 0
CSU n/a 1 1
Stanford n/a 0 0
Other - Non UC n/a 4 4
_______ ______ _____
8 24 32
1.7.4 Number of UPDATE commands by Database
___________________________________________
CAT 5
PE 0
TEN 0
CC databases 10
CC 10
CCT 0
IAC databases 5
MAGS 2
NEWS 0
COMP 3
MED 7
INS 1
PSYC 0
ABI 0
BIOSIS 4
1.7.5 Other UPDATE Commands
___________________________
Number of RENEW UPDATE commands 90
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 03/31/01 3,619
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)