MELVYL SYSTEM TELNET STATISTICS
Time period: 02/01/99 through 02/28/99
1.0 GENERAL STATISTICS (includes all databases)
________________________________________________
1.1 System load
________________
1.1.1 Total sessions:
______________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 30,261 53,398 83,659
Davis 51,323 6,297 57,620
Irvine 35,725 0 35,725
Los Angeles 14,048 39,768 53,816
Riverside 20,151 5,056 25,207
San Diego 5,519 23,834 29,353
San Francisco 26,769 806 27,575
Santa Barbara 16,911 10,722 27,633
Santa Cruz 20,413 10,856 31,269
NRLF 0 0 0
SRLF 0 0 0
LBL 0 3,253 3,253
LLL 0 3,471 3,471
Los Alamos 0 189 189
Other - UC 764 5,810 6,574
CSL 0 846 846
CSU n/a 3,746 3,746
Stanford n/a 9,616 9,616
Other - Non UC n/a 58,948 58,948
_______ ______ _____
221,884 236,616 458,500
1.1.2 Active users
___________________
Average number of active users in a 2 minute interval:
12-2 a.m. 24 12-2 p.m. 220
2-4 a.m. 16 2-4 p.m. 258
4-6 a.m. 12 4-6 p.m. 189
6-8 a.m. 20 6-8 p.m. 89
8-10 a.m. 97 8-10 p.m. 64
10-12 a.m. 197 10-12 p.m. 43
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 10679.57
For Non-UC users (hrs:mins) 776.20
1.1.3 FIND commands
____________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 103,767 156,476 260,243
Davis 163,704 19,401 183,105
Irvine 110,433 0 110,433
Los Angeles 44,735 110,773 155,508
Riverside 70,238 13,987 84,225
San Diego 15,825 64,214 80,039
San Francisco 75,034 2,227 77,261
Santa Barbara 62,225 29,968 92,193
Santa Cruz 69,246 35,384 104,630
NRLF 0 0 0
SRLF 0 0 0
LBL 0 8,230 8,230
LLL 0 11,232 11,232
Los Alamos 0 454 454
Other - UC 1,030 16,793 17,823
CSL 0 1,527 1,527
CSU n/a 15,237 15,237
Stanford n/a 30,735 30,735
Other - Non UC n/a 217,263 217,263
_______ ______ _____
716,237 733,901 1,450,138
Average number of FIND commands per hour:
12-2 a.m. 324 12-2 p.m. 2,268
2-4 a.m. 222 2-4 p.m. 2,623
4-6 a.m. 163 4-6 p.m. 1,840
6-8 a.m. 257 6-8 p.m. 860
8-10 a.m. 1,068 8-10 p.m. 605
10-12 a.m. 2,086 10-12 p.m. 482
Total number of FIND commands 1,450,138
Peak hourly load of 3,815 FIND commands occurred on 02/25/99 at 2 pm
1.1.4 Records Displayed
________________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 937,739 1,618,582 2,556,321
Davis 1,308,412 125,813 1,434,225
Irvine 947,295 0 947,295
Los Angeles 491,060 1,270,110 1,761,170
Riverside 517,004 170,135 687,139
San Diego 89,050 568,584 657,634
San Francisco 769,348 45,800 815,148
Santa Barbara 551,998 306,055 858,053
Santa Cruz 561,741 284,596 846,337
NRLF 0 0 0
SRLF 0 0 0
LBL 0 92,573 92,573
LLL 0 113,329 113,329
Los Alamos 0 7,190 7,190
Other - UC 11,957 167,049 179,006
CSL 0 9,296 9,296
CSU n/a 161,697 161,697
Stanford n/a 319,179 319,179
Other - Non UC n/a 1,705,797 1,705,797
_______ ______ _____
6,185,604 6,965,785 13,151,389
Average number of records displayed per hour:
12-2 a.m. 4,366 12-2 p.m. 44,611
2-4 a.m. 2,222 2-4 p.m. 52,154
4-6 a.m. 1,889 4-6 p.m. 38,514
6-8 a.m. 4,105 6-8 p.m. 19,869
8-10 a.m. 20,301 8-10 p.m. 13,894
10-12 a.m. 39,811 10-12 p.m. 9,443
Total number of Records Displayed 13,151,389
Peak hourly load of 81,041 records displayed occurred on 02/16/99 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 515,664 3,854,557 37.5% 35.6%
TEN 32,909 221,186 3.3% 2.3%
PE 31,616 288,722 2.1% 2.2%
ABI 14,379 30,283 0.9% 1.0%
BIOSIS 70,620 95,020 4.2% 4.9%
CC databases 125,974 1,200,379 8.9% 8.7%
CC 123,378 1,108,849 8.5% 8.5%
CCT 2,596 91,530 0.5% 0.2%
IAC databases 175,809 1,873,965 10.9% 12.1%
MAGS 156,091 1,706,068 9.4% 10.8%
NEWS 16,188 130,022 1.2% 1.1%
COMP 3,530 37,875 0.3% 0.2%
INS databases 39,607 300,878 3.7% 2.7%
INS 28,015 228,431 2.4% 1.9%
INS90 3,698 20,186 0.5% 0.3%
INS85 3,061 18,385 0.4% 0.2%
INS80 2,222 11,811 0.3% 0.2%
INS69 2,611 22,065 0.2% 0.2%
MED databases 290,557 2,994,359 19.9% 20.0%
MED 235,417 2,628,143 14.5% 16.2%
MED90 23,901 174,855 2.3% 1.6%
MED85 13,812 86,765 1.4% 1.0%
MED80 8,768 47,271 0.9% 0.6%
MED75 4,936 29,195 0.5% 0.3%
MED66 3,723 28,130 0.4% 0.3%
PSYC 88,754 152,268 4.1% 6.1%
OCLC 41,429 49,327 2.9% 2.9%
RLG 18,333 17,852 1.1% 1.3%
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) 495 564 1,059
GEOREF (Stanford) 761 2,370 3,131
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 3,806 3,678 7,484
RLG Eureka 741 555 1,296
Arizona State University 3 11 14
Boston University 15 19 34
California State Library 2 30 32
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 4 16 20
Cal State Univ., Hayward 33 57 90
Cambridge University, England 10 31 41
CARL 8 29 37
CARL Uncover 71 156 227
Chicano/Latino Net Gopher 0 0 0
Claremont College 6 9 15
Cleveland Free-Net 12 82 94
Dartmouth College 1 6 7
DIALOG 28 130 158
DRA LC 19 2 21
Earthquake Engineering Abstracts 4 0 4
FS INFO 35 94 129
Harvard 59 82 141
Library of Congress (LOCIS) 161 474 635
Los Angeles Public Library 93 35 128
National Agricultural Library 69 66 135
NLM AIDSDBS 20 14 34
NLM Databases (Medlars) 85 113 198
Northern Regional Lib Facility 300 197 497
New York Public Library 7 56 63
OCEAN Information Center 0 0 0
OCLC Catalog 16 155 171
OCLC EPIC 0 10 10
Oxford University, England 6 61 67
Princeton 8 18 26
Rensselaer Polytechnic Institute 0 0 0
RLIN 247 311 558
San Francisco State University 5 10 15
San Jose State University 9 17 26
Santa Clara University (OSCAR) 2 3 5
Stanford University 152 620 772
SUNY Buffalo (BISON) 78 18 96
1.3 USE command (continued)
____________________________
Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 1,157 1,229 2,386
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 178 72 250
UCLA ORION 494 264 758
UCSC CRUZCAT 97 139 236
UCSC INFOSLUG 0 0 0
UCSD ROGER 122 194 316
UCSF Catalog 86 26 112
Univ. of Hawaii 5 14 19
Univ. of Tennessee 0 3 3
Univ. of Michigan 23 13 36
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 2 12 14
Virginia Polytechnic Institute 1 2 3
Weather 128 178 306
WRLC 0 1 1
Yale 47 30 77
Other 32 43 75
_______ ______ _____
Total number of USE commands 9,743 12,319 22,036
1.4 Response time
__________________
Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 1.0
Standard deviation in seconds 4.2
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.4
Standard deviation in seconds 2.9
1.5 Online Publications
________________________
Current Cites 0
DLA Bulletin 10
Mynd of MELVYL 0
1.6 Search SET commands
________________________
FIND SET 2,731
SAVE SET 3,044
RECALL SET 73
DELETE/CLEAR SET 88
1.7 Special Commands
____________________
1.7.1 MAIL Commands
___________________
Number of MAIL Commands 34,913
1.7.2 REQUEST Commands
______________________
Number of REQUEST Commands 2,740
1.7.3 UPDATE Commands
_____________________
Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 8 38 46
Davis 16 1 17
Irvine 12 0 12
Los Angeles 5 7 12
Riverside 9 13 22
San Diego 0 3 3
San Francisco 12 0 12
Santa Barbara 4 2 6
Santa Cruz 3 6 9
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 1 1
Los Alamos 0 0 0
Other - UC 0 2 2
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 3 3
Other - Non UC n/a 6 6
_______ ______ _____
69 82 151
1.7.4 Number of UPDATE commands by Database
___________________________________________
CAT 23
PE 0
TEN 1
CC databases 33
CC 22
CCT 11
IAC databases 27
MAGS 20
NEWS 5
COMP 2
MED 38
INS 4
PSYC 11
ABI 2
BIOSIS 12
1.7.5 Other UPDATE Commands
___________________________
Number of RENEW UPDATE commands 451
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 7
Number of REDO UPDATE commands 8
Total number of UPDATEs on 01/31/99 8,823