MELVYL SYSTEM TELNET STATISTICS
Time period: 01/27/01 through 02/02/01
1.0 GENERAL STATISTICS (includes all databases)
________________________________________________
1.1 System load
________________
1.1.1 Total sessions:
______________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 1,938 6,723 8,661
Davis 4,499 541 5,040
Irvine 2,524 0 2,524
Los Angeles 451 2,676 3,127
Riverside 1,067 356 1,423
San Diego 1,168 1,564 2,732
San Francisco 2,610 0 2,610
Santa Barbara 824 844 1,668
Santa Cruz 676 623 1,299
NRLF 0 0 0
SRLF 9 0 9
LBL 0 497 497
LLL 0 314 314
Los Alamos 0 15 15
Other - UC 83 556 639
CSL 0 182 182
CSU n/a 315 315
Stanford n/a 450 450
Other - Non UC n/a 9,508 9,508
_______ ______ _____
15,849 25,164 41,013
1.1.2 Active users
___________________
Average number of active users in a 2 minute interval:
12-2 a.m. 9 12-2 p.m. 81
2-4 a.m. 9 2-4 p.m. 94
4-6 a.m. 8 4-6 p.m. 62
6-8 a.m. 12 6-8 p.m. 28
8-10 a.m. 50 8-10 p.m. 19
10-12 a.m. 84 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 01/31/01 at 15:52:28 total number of users: 188
For MELVYL MEDLINE on 01/31/01 at 14:22:08 total number of users: 27
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 801.90
For Non-UC users (hrs:mins) 37.20
1.1.3 FIND commands
____________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 6,046 18,754 24,800
Davis 14,246 1,802 16,048
Irvine 10,676 0 10,676
Los Angeles 1,224 7,569 8,793
Riverside 3,554 938 4,492
San Diego 3,403 3,929 7,332
San Francisco 7,757 0 7,757
Santa Barbara 2,557 2,280 4,837
Santa Cruz 2,882 1,984 4,866
NRLF 0 0 0
SRLF 29 0 29
LBL 0 972 972
LLL 0 1,493 1,493
Los Alamos 0 28 28
Other - UC 60 1,527 1,587
CSL 0 376 376
CSU n/a 1,538 1,538
Stanford n/a 1,274 1,274
Other - Non UC n/a 29,187 29,187
_______ ______ _____
52,434 73,651 126,085
Average number of FIND commands per hour:
12-2 a.m. 47 12-2 p.m. 831
2-4 a.m. 51 2-4 p.m. 928
4-6 a.m. 52 4-6 p.m. 558
6-8 a.m. 118 6-8 p.m. 216
8-10 a.m. 451 8-10 p.m. 151
10-12 a.m. 797 10-12 p.m. 110
Total number of FIND commands 126,085
Peak hourly load of 1,472 FIND commands occurred on 01/29/01 at 1 pm
1.1.4 Records Displayed
________________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 45,515 177,312 222,827
Davis 123,278 10,965 134,243
Irvine 63,941 0 63,941
Los Angeles 10,413 75,500 85,913
Riverside 33,350 9,195 42,545
San Diego 20,581 39,575 60,156
San Francisco 74,846 0 74,846
Santa Barbara 18,919 22,195 41,114
Santa Cruz 19,596 17,681 37,277
NRLF 0 0 0
SRLF 191 0 191
LBL 0 10,859 10,859
LLL 0 15,425 15,425
Los Alamos 0 123 123
Other - UC 446 15,967 16,413
CSL 0 3,793 3,793
CSU n/a 20,495 20,495
Stanford n/a 16,626 16,626
Other - Non UC n/a 267,488 267,488
_______ ______ _____
411,076 703,199 1,114,275
Average number of records displayed per hour:
12-2 a.m. 1,130 12-2 p.m. 14,447
2-4 a.m. 1,094 2-4 p.m. 16,133
4-6 a.m. 1,929 4-6 p.m. 11,512
6-8 a.m. 2,265 6-8 p.m. 5,032
8-10 a.m. 8,472 8-10 p.m. 3,329
10-12 a.m. 14,553 10-12 p.m. 2,199
Total number of Records Displayed 1,114,275
Peak hourly load of 24,666 records displayed occurred on 01/29/01 at 11 am
1.2 Relative Use of Databases
______________________________
Number of Number of % of System % of System
Database FIND Commands Records Displayed Sessions Searches
________ _____________ _________________ ___________ ___________
CAT 54,377 432,351 41.3% 43.1%
TEN 0 0 0.0% 0.0%
PE 4,658 46,601 3.7% 3.7%
ABI 756 1,187 0.7% 0.6%
BIOSIS 4,097 4,828 3.5% 3.2%
CC databases 11,124 118,047 9.5% 8.8%
CC 10,819 104,312 9.0% 8.6%
CCT 305 13,735 0.5% 0.2%
IAC databases 4,760 49,803 4.5% 3.8%
MAGS 4,212 44,524 3.8% 3.3%
NEWS 407 3,850 0.4% 0.3%
COMP 141 1,429 0.2% 0.1%
INS databases 4,195 29,487 4.9% 3.3%
INS 2,844 22,252 2.9% 2.3%
INS90 499 2,498 0.7% 0.4%
INS85 338 1,488 0.5% 0.3%
INS80 242 1,234 0.4% 0.2%
INS69 272 2,015 0.3% 0.2%
MED databases 22,497 225,134 19.1% 17.8%
MED 17,472 193,111 13.5% 13.9%
MED90 2,352 15,061 2.4% 1.9%
MED85 1,041 5,710 1.3% 0.8%
MED80 823 5,954 1.0% 0.7%
MED75 416 2,222 0.5% 0.3%
MED66 393 3,076 0.4% 0.3%
PSYC 5,593 7,935 3.5% 4.4%
OCLC 12,366 17,058 8.0% 9.8%
RLG 1,149 1,333 1.1% 0.9%
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) 20 39 59
GEOREF (Stanford) 28 100 128
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 151 227 378
Arizona State University 1 1 2
Boston University 0 2 2
California State Library 0 1 1
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 5 8 13
Cambridge University, England 0 0 0
CARL 0 0 0
CARL Uncover 5 6 11
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 1 1
DIALOG 1 27 28
DRA LC 1 0 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 1 4 5
Harvard 2 5 7
Library of Congress (LOCIS) 3 5 8
Los Angeles Public Library 0 0 0
National Agricultural Library 2 1 3
NLM AIDSDBS 3 3 6
NLM Databases (Medlars) 2 6 8
Northern Regional Lib Facility 128 13 141
New York Public Library 3 1 4
OCEAN Information Center 0 0 0
OCLC Catalog 1 59 60
OCLC EPIC 1 0 1
Oxford University, England 2 0 2
Princeton 0 9 9
Rensselaer Polytechnic Institute 0 0 0
RLIN 48 106 154
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 10 52 62
SUNY Buffalo (BISON) 3 3 6
1.3 USE command (continued)
____________________________
Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 99 137 236
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 3 4 7
UCLA ORION 2 5 7
UCSC CRUZCAT 0 3 3
UCSC INFOSLUG 0 0 0
UCSD ROGER 4 3 7
UCSF Catalog 11 1 12
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 2 2
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 1 3 4
Virginia Polytechnic Institute 0 0 0
Weather 2 4 6
WRLC 1 0 1
Yale 1 18 19
Other 0 2 2
_______ ______ _____
Total number of USE commands 545 861 1,406
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 3.6
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 0
Mynd of MELVYL 0
1.6 Search SET commands
________________________
FIND SET 250
SAVE SET 356
RECALL SET 1
DELETE/CLEAR SET 10
1.7 Special Commands
____________________
1.7.1 MAIL Commands
___________________
Number of MAIL Commands 1,903
1.7.2 REQUEST Commands
______________________
Number of REQUEST Commands 155
1.7.3 UPDATE Commands
_____________________
Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 4 4
Davis 0 0 0
Irvine 0 0 0
Los Angeles 0 1 1
Riverside 0 0 0
San Diego 0 0 0
San Francisco 1 0 1
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 1 1
Other - Non UC n/a 5 5
_______ ______ _____
1 11 12
1.7.4 Number of UPDATE commands by Database
___________________________________________
CAT 0
PE 0
TEN 0
CC databases 8
CC 6
CCT 2
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 4
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
___________________________
Number of RENEW UPDATE commands 15
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 1
Number of REDO UPDATE commands 0
Total number of UPDATEs on 02/02/01 3,820
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)