MELVYL SYSTEM TELNET STATISTICS
Time period: 02/24/01 through 03/02/01
1.0 GENERAL STATISTICS (includes all databases)
________________________________________________
1.1 System load
________________
1.1.1 Total sessions:
______________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 2,129 6,654 8,783
Davis 4,700 534 5,234
Irvine 2,410 0 2,410
Los Angeles 477 2,466 2,943
Riverside 1,046 371 1,417
San Diego 1,053 1,509 2,562
San Francisco 2,446 0 2,446
Santa Barbara 849 683 1,532
Santa Cruz 771 652 1,423
NRLF 0 0 0
SRLF 1 0 1
LBL 0 431 431
LLL 0 225 225
Los Alamos 0 0 0
Other - UC 32 645 677
CSL 0 194 194
CSU n/a 332 332
Stanford n/a 521 521
Other - Non UC n/a 9,502 9,502
_______ ______ _____
15,914 24,719 40,633
1.1.2 Active users
___________________
Average number of active users in a 2 minute interval:
12-2 a.m. 10 12-2 p.m. 80
2-4 a.m. 10 2-4 p.m. 88
4-6 a.m. 9 4-6 p.m. 63
6-8 a.m. 11 6-8 p.m. 26
8-10 a.m. 49 8-10 p.m. 18
10-12 a.m. 83 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 02/26/01 at 14:49:44 total number of users: 152
For MELVYL MEDLINE on 02/26/01 at 10:55:24 total number of users: 28
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 743.83
For Non-UC users (hrs:mins) 40.70
1.1.3 FIND commands
____________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 6,587 18,997 25,584
Davis 16,380 1,624 18,004
Irvine 8,634 0 8,634
Los Angeles 1,294 7,014 8,308
Riverside 3,981 1,185 5,166
San Diego 3,524 4,195 7,719
San Francisco 7,171 0 7,171
Santa Barbara 2,906 1,815 4,721
Santa Cruz 3,042 1,733 4,775
NRLF 0 0 0
SRLF 1 0 1
LBL 0 973 973
LLL 0 1,129 1,129
Los Alamos 0 0 0
Other - UC 48 1,698 1,746
CSL 0 279 279
CSU n/a 1,813 1,813
Stanford n/a 1,459 1,459
Other - Non UC n/a 31,529 31,529
_______ ______ _____
53,568 75,443 129,011
Average number of FIND commands per hour:
12-2 a.m. 67 12-2 p.m. 825
2-4 a.m. 37 2-4 p.m. 901
4-6 a.m. 41 4-6 p.m. 635
6-8 a.m. 90 6-8 p.m. 222
8-10 a.m. 464 8-10 p.m. 172
10-12 a.m. 820 10-12 p.m. 135
Total number of FIND commands 129,011
Peak hourly load of 1,438 FIND commands occurred on 02/26/01 at 11 am
1.1.4 Records Displayed
________________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 60,818 181,727 242,545
Davis 140,045 8,784 148,829
Irvine 62,689 0 62,689
Los Angeles 15,236 73,112 88,348
Riverside 33,376 11,377 44,753
San Diego 16,416 43,617 60,033
San Francisco 75,561 0 75,561
Santa Barbara 22,139 18,394 40,533
Santa Cruz 17,015 15,244 32,259
NRLF 0 0 0
SRLF 5 0 5
LBL 0 10,764 10,764
LLL 0 13,234 13,234
Los Alamos 0 0 0
Other - UC 469 17,685 18,154
CSL 0 2,708 2,708
CSU n/a 20,628 20,628
Stanford n/a 12,895 12,895
Other - Non UC n/a 260,938 260,938
_______ ______ _____
443,769 691,107 1,134,876
Average number of records displayed per hour:
12-2 a.m. 1,287 12-2 p.m. 13,788
2-4 a.m. 831 2-4 p.m. 16,720
4-6 a.m. 600 4-6 p.m. 12,346
6-8 a.m. 1,988 6-8 p.m. 5,527
8-10 a.m. 8,651 8-10 p.m. 4,024
10-12 a.m. 14,362 10-12 p.m. 2,828
Total number of Records Displayed 1,134,876
Peak hourly load of 25,292 records displayed occurred on 02/27/01 at 2 pm
1.2 Relative Use of Databases
______________________________
Number of Number of % of System % of System
Database FIND Commands Records Displayed Sessions Searches
________ _____________ _________________ ___________ ___________
CAT 56,534 428,589 41.8% 43.8%
TEN 0 0 0.0% 0.0%
PE 5,728 50,804 3.9% 4.4%
ABI 707 922 0.6% 0.5%
BIOSIS 4,444 5,715 3.6% 3.4%
CC databases 11,327 110,901 9.3% 8.8%
CC 11,116 104,262 9.0% 8.6%
CCT 211 6,639 0.3% 0.2%
IAC databases 5,645 72,568 4.9% 4.4%
MAGS 5,010 59,933 4.3% 3.9%
NEWS 403 2,170 0.4% 0.3%
COMP 232 10,465 0.2% 0.2%
INS databases 3,787 28,698 4.3% 2.9%
INS 2,474 21,910 2.7% 1.9%
INS90 509 2,692 0.6% 0.4%
INS85 327 1,785 0.4% 0.3%
INS80 239 968 0.3% 0.2%
INS69 238 1,343 0.3% 0.2%
MED databases 21,621 216,937 18.4% 16.8%
MED 16,962 183,566 13.1% 13.1%
MED90 2,061 15,888 2.3% 1.6%
MED85 1,101 10,115 1.3% 0.9%
MED80 681 3,755 0.8% 0.5%
MED75 377 1,807 0.5% 0.3%
MED66 439 1,806 0.4% 0.3%
PSYC 5,615 7,696 3.7% 4.4%
OCLC 11,695 16,351 7.7% 9.1%
RLG 1,520 1,751 1.2% 1.2%
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) 22 33 55
GEOREF (Stanford) 50 111 161
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 100 268 368
Arizona State University 4 2 6
Boston University 2 1 3
California State Library 2 3 5
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 1 1
Cal State Univ., Hayward 8 9 17
Cambridge University, England 0 0 0
CARL 0 2 2
CARL Uncover 3 16 19
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 1 0 1
Dartmouth College 0 1 1
DIALOG 0 35 35
DRA LC 1 0 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 2 3 5
Harvard 0 4 4
Library of Congress (LOCIS) 1 13 14
Los Angeles Public Library 0 2 2
National Agricultural Library 1 2 3
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 2 1 3
Northern Regional Lib Facility 79 34 113
New York Public Library 0 3 3
OCEAN Information Center 0 0 0
OCLC Catalog 1 95 96
OCLC EPIC 0 0 0
Oxford University, England 1 1 2
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 58 98 156
San Francisco State University 1 0 1
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 10 59 69
SUNY Buffalo (BISON) 2 1 3
1.3 USE command (continued)
____________________________
Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 85 181 266
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 2 0 2
UCLA ORION 10 9 19
UCSC CRUZCAT 1 3 4
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 1 1
UCSF Catalog 5 0 5
Univ. of Hawaii 0 1 1
Univ. of Tennessee 0 1 1
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 0 1 1
Virginia Polytechnic Institute 0 1 1
Weather 0 19 19
WRLC 0 0 0
Yale 1 3 4
Other 2 1 3
_______ ______ _____
Total number of USE commands 457 1,020 1,477
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 4.2
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.5
1.5 Online Publications
________________________
Current Cites 0
DLA Bulletin 5
Mynd of MELVYL 2
1.6 Search SET commands
________________________
FIND SET 209
SAVE SET 246
RECALL SET 10
DELETE/CLEAR SET 4
1.7 Special Commands
____________________
1.7.1 MAIL Commands
___________________
Number of MAIL Commands 2,169
1.7.2 REQUEST Commands
______________________
Number of REQUEST Commands 170
1.7.3 UPDATE Commands
_____________________
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 0 0 0
Santa Barbara 0 0 0
Santa Cruz 1 0 1
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 3 3
_______ ______ _____
1 4 5
1.7.4 Number of UPDATE commands by Database
___________________________________________
CAT 0
PE 0
TEN 0
CC databases 0
CC 0
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 0
INS 1
PSYC 1
ABI 0
BIOSIS 3
1.7.5 Other UPDATE Commands
___________________________
Number of RENEW UPDATE commands 22
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 03/02/01 3,754
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)