MELVYL SYSTEM TELNET STATISTICS
Time period: 06/01/01 through 06/30/01
1.0 GENERAL STATISTICS (includes all databases)
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1.1 System load
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1.1.1 Total sessions:
______________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,974 19,382 23,356
Davis 13,525 1,612 15,137
Irvine 6,404 0 6,404
Los Angeles 293 9,754 10,047
Riverside 3,127 1,131 4,258
San Diego 3,108 5,217 8,325
San Francisco 7,605 0 7,605
Santa Barbara 1,332 2,197 3,529
Santa Cruz 1,719 1,351 3,070
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1,298 1,298
LLL 0 825 825
Los Alamos 0 23 23
Other - UC 178 1,810 1,988
CSL 0 557 557
CSU n/a 898 898
Stanford n/a 1,491 1,491
Other - Non UC n/a 37,634 37,634
_______ ______ _____
41,265 85,180 126,445
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 10 12-2 p.m. 58
2-4 a.m. 12 2-4 p.m. 64
4-6 a.m. 10 4-6 p.m. 43
6-8 a.m. 12 6-8 p.m. 17
8-10 a.m. 42 8-10 p.m. 12
10-12 a.m. 64 10-12 p.m. 12
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 2548.63
For Non-UC users (hrs:mins) 125.47
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 11,660 72,957 84,617
Davis 45,007 5,455 50,462
Irvine 20,627 0 20,627
Los Angeles 647 25,628 26,275
Riverside 11,191 3,174 14,365
San Diego 8,703 13,509 22,212
San Francisco 23,480 0 23,480
Santa Barbara 3,373 5,718 9,091
Santa Cruz 7,077 3,817 10,894
NRLF 0 0 0
SRLF 0 0 0
LBL 0 2,977 2,977
LLL 0 5,218 5,218
Los Alamos 0 87 87
Other - UC 292 5,591 5,883
CSL 0 1,355 1,355
CSU n/a 3,639 3,639
Stanford n/a 4,273 4,273
Other - Non UC n/a 116,483 116,483
_______ ______ _____
132,057 269,881 401,938
Average number of FIND commands per hour:
12-2 a.m. 64 12-2 p.m. 555
2-4 a.m. 43 2-4 p.m. 591
4-6 a.m. 39 4-6 p.m. 361
6-8 a.m. 100 6-8 p.m. 138
8-10 a.m. 373 8-10 p.m. 85
10-12 a.m. 796 10-12 p.m. 74
Total number of FIND commands 401,938
Peak hourly load of 8,564 FIND commands occurred on 06/07/01 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 104,797 561,523 666,320
Davis 410,120 34,307 444,427
Irvine 157,834 0 157,834
Los Angeles 4,740 255,995 260,735
Riverside 76,811 26,665 103,476
San Diego 52,709 152,654 205,363
San Francisco 256,147 0 256,147
Santa Barbara 35,238 54,149 89,387
Santa Cruz 43,793 38,650 82,443
NRLF 0 0 0
SRLF 0 0 0
LBL 0 34,608 34,608
LLL 0 59,441 59,441
Los Alamos 0 671 671
Other - UC 2,466 47,771 50,237
CSL 0 11,755 11,755
CSU n/a 38,358 38,358
Stanford n/a 57,378 57,378
Other - Non UC n/a 898,741 898,741
_______ ______ _____
1,144,655 2,272,666 3,417,321
Average number of records displayed per hour:
12-2 a.m. 1,120 12-2 p.m. 10,044
2-4 a.m. 704 2-4 p.m. 11,584
4-6 a.m. 701 4-6 p.m. 7,398
6-8 a.m. 2,108 6-8 p.m. 3,077
8-10 a.m. 6,466 8-10 p.m. 2,311
10-12 a.m. 11,084 10-12 p.m. 1,754
Total number of Records Displayed 3,417,321
Peak hourly load of 50,278 records displayed occurred on 06/23/01 at 2 pm
1.2 Relative Use of Databases
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Number of Number of % of System % of System
Database FIND Commands Records Displayed Sessions Searches
________ _____________ _________________ ___________ ___________
CAT 179,121 1,319,321 40.7% 44.6%
TEN 0 0 0.0% 0.0%
PE 15,127 120,892 4.2% 3.8%
ABI 2,473 4,278 0.7% 0.6%
BIOSIS 12,886 17,066 3.3% 3.2%
CC databases 37,220 368,062 9.1% 9.3%
CC 36,636 314,851 8.8% 9.1%
CCT 584 53,211 0.3% 0.1%
IAC databases 10,770 153,467 3.2% 2.7%
MAGS 9,489 126,492 2.7% 2.4%
NEWS 828 11,832 0.3% 0.2%
COMP 453 15,143 0.1% 0.1%
INS databases 12,946 98,690 4.5% 3.2%
INS 8,688 73,872 2.8% 2.2%
INS90 1,615 8,883 0.6% 0.4%
INS85 1,032 5,329 0.4% 0.3%
INS80 807 4,626 0.3% 0.2%
INS69 804 5,980 0.3% 0.2%
MED databases 68,008 691,991 19.3% 16.9%
MED 53,798 605,702 13.6% 13.4%
MED90 6,390 39,277 2.4% 1.6%
MED85 3,179 17,247 1.3% 0.8%
MED80 1,988 10,944 0.9% 0.5%
MED75 1,360 7,632 0.6% 0.3%
MED66 1,293 11,189 0.5% 0.3%
PSYC 15,085 20,571 2.9% 3.8%
OCLC 43,350 53,929 10.8% 10.8%
RLG 3,531 4,265 1.0% 0.9%
1.3 USE command
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Number of USE commands issued by system (numbers are attempts to connect):
Library Remote Total
_______ ______ _____
Licensed Systems:
Congressional Quarterly 0 0 0
ERIC (Stanford) 39 75 114
GEOREF (Stanford) 41 281 322
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 362 672 1,034
Arizona State University 0 7 7
Boston University 1 2 3
California State Library 1 7 8
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 2 2
Cal State Univ., Hayward 22 140 162
Cambridge University, England 1 2 3
CARL 1 4 5
CARL Uncover 8 27 35
Chicano/Latino Net Gopher 0 0 0
Claremont College 1 1 2
Cleveland Free-Net 0 0 0
Dartmouth College 0 3 3
DIALOG 0 128 128
DRA LC 1 11 12
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 4 4
Harvard 3 15 18
Library of Congress (LOCIS) 3 18 21
Los Angeles Public Library 0 4 4
National Agricultural Library 26 15 41
NLM AIDSDBS 4 8 12
NLM Databases (Medlars) 3 10 13
Northern Regional Lib Facility 251 111 362
New York Public Library 0 2 2
OCEAN Information Center 0 0 0
OCLC Catalog 10 322 332
OCLC EPIC 0 0 0
Oxford University, England 2 6 8
Princeton 1 1 2
Rensselaer Polytechnic Institute 0 0 0
RLIN 111 322 433
San Francisco State University 0 0 0
San Jose State University 0 1 1
Santa Clara University (OSCAR) 0 0 0
Stanford University 11 196 207
SUNY Buffalo (BISON) 3 5 8
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 182 405 587
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 10 10 20
UCLA ORION 1 13 14
UCSC CRUZCAT 0 11 11
UCSC INFOSLUG 0 0 0
UCSD ROGER 2 8 10
UCSF Catalog 12 2 14
Univ. of Hawaii 1 2 3
Univ. of Tennessee 0 3 3
Univ. of Michigan 1 12 13
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 1 2 3
Virginia Polytechnic Institute 1 1 2
Weather 0 8 8
WRLC 0 3 3
Yale 18 14 32
Other 2 6 8
_______ ______ _____
Total number of USE commands 1,137 2,902 4,038
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.6
Standard deviation in seconds 3.9
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
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Current Cites 0
DLA Bulletin 0
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 1,558
SAVE SET 1,627
RECALL SET 30
DELETE/CLEAR SET 94
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 5,537
1.7.2 REQUEST Commands
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Number of REQUEST Commands 536
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 9 9
Davis 4 0 4
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 2 2
San Francisco 6 0 6
Santa Barbara 0 2 2
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 0 0
Other - Non UC n/a 2 2
_______ ______ _____
10 15 25
1.7.4 Number of UPDATE commands by Database
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CAT 2
PE 0
TEN 0
CC databases 8
CC 8
CCT 0
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 12
INS 1
PSYC 0
ABI 0
BIOSIS 1
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 66
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 06/30/01 3,358
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)