MELVYL SYSTEM TELNET STATISTICS
Time period: 03/03/01 through 03/09/01
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 2,072 6,858 8,930
Davis 5,101 530 5,631
Irvine 2,437 0 2,437
Los Angeles 549 2,681 3,230
Riverside 1,136 314 1,450
San Diego 1,121 1,607 2,728
San Francisco 2,290 0 2,290
Santa Barbara 863 846 1,709
Santa Cruz 751 717 1,468
NRLF 0 0 0
SRLF 3 0 3
LBL 0 447 447
LLL 0 241 241
Los Alamos 0 18 18
Other - UC 95 612 707
CSL 0 150 150
CSU n/a 364 364
Stanford n/a 523 523
Other - Non UC n/a 9,457 9,457
_______ ______ _____
16,418 25,365 41,783
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 8 12-2 p.m. 80
2-4 a.m. 10 2-4 p.m. 95
4-6 a.m. 9 4-6 p.m. 67
6-8 a.m. 12 6-8 p.m. 27
8-10 a.m. 50 8-10 p.m. 19
10-12 a.m. 84 10-12 p.m. 14
Maximum of active users in a 2 minute interval:
For MELVYL system on 03/06/01 at 14:57:18 total number of users: 162
For MELVYL MEDLINE on 03/07/01 at 14:51:26 total number of users: 26
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 737.43
For Non-UC users (hrs:mins) 36.83
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 6,138 19,775 25,913
Davis 16,748 1,867 18,615
Irvine 7,541 0 7,541
Los Angeles 1,621 7,769 9,390
Riverside 4,110 867 4,977
San Diego 3,047 4,634 7,681
San Francisco 6,868 0 6,868
Santa Barbara 2,503 2,326 4,829
Santa Cruz 3,121 2,310 5,431
NRLF 0 0 0
SRLF 17 0 17
LBL 0 1,100 1,100
LLL 0 1,262 1,262
Los Alamos 0 32 32
Other - UC 171 1,558 1,729
CSL 0 366 366
CSU n/a 1,684 1,684
Stanford n/a 1,632 1,632
Other - Non UC n/a 31,724 31,724
_______ ______ _____
51,885 78,906 130,791
Average number of FIND commands per hour:
12-2 a.m. 50 12-2 p.m. 782
2-4 a.m. 39 2-4 p.m. 961
4-6 a.m. 40 4-6 p.m. 613
6-8 a.m. 92 6-8 p.m. 226
8-10 a.m. 451 8-10 p.m. 160
10-12 a.m. 772 10-12 p.m. 116
Total number of FIND commands 130,791
Peak hourly load of 1,360 FIND commands occurred on 03/05/01 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 54,327 185,627 239,954
Davis 135,315 10,583 145,898
Irvine 63,792 0 63,792
Los Angeles 13,639 72,864 86,503
Riverside 37,896 13,211 51,107
San Diego 17,060 41,143 58,203
San Francisco 88,082 0 88,082
Santa Barbara 19,334 23,592 42,926
Santa Cruz 21,131 23,407 44,538
NRLF 0 0 0
SRLF 89 0 89
LBL 0 13,899 13,899
LLL 0 10,698 10,698
Los Alamos 0 188 188
Other - UC 884 16,617 17,501
CSL 0 2,626 2,626
CSU n/a 20,395 20,395
Stanford n/a 10,922 10,922
Other - Non UC n/a 253,826 253,826
_______ ______ _____
451,549 699,598 1,151,147
Average number of records displayed per hour:
12-2 a.m. 1,190 12-2 p.m. 14,497
2-4 a.m. 882 2-4 p.m. 17,477
4-6 a.m. 711 4-6 p.m. 12,864
6-8 a.m. 1,835 6-8 p.m. 5,953
8-10 a.m. 7,956 8-10 p.m. 4,556
10-12 a.m. 14,020 10-12 p.m. 2,575
Total number of Records Displayed 1,151,147
Peak hourly load of 26,273 records displayed occurred on 03/05/01 at 3 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 56,234 433,111 42.0% 43.0%
TEN 0 0 0.0% 0.0%
PE 5,359 55,914 4.2% 4.1%
ABI 846 1,292 0.7% 0.6%
BIOSIS 4,941 6,137 3.7% 3.8%
CC databases 11,801 109,317 9.3% 9.0%
CC 11,577 100,512 8.9% 8.9%
CCT 224 8,805 0.4% 0.2%
IAC databases 6,915 68,978 5.4% 5.3%
MAGS 6,242 63,564 4.8% 4.8%
NEWS 479 3,657 0.5% 0.4%
COMP 194 1,757 0.2% 0.1%
INS databases 3,804 27,598 4.1% 2.9%
INS 2,615 20,922 2.6% 2.0%
INS90 385 2,532 0.5% 0.3%
INS85 285 1,321 0.4% 0.2%
INS80 250 1,203 0.3% 0.2%
INS69 269 1,620 0.3% 0.2%
MED databases 19,818 206,401 16.8% 15.2%
MED 15,587 182,835 12.2% 11.9%
MED90 1,970 12,336 2.1% 1.5%
MED85 938 5,020 1.1% 0.7%
MED80 650 3,030 0.8% 0.5%
MED75 344 1,798 0.4% 0.3%
MED66 329 1,382 0.3% 0.3%
PSYC 5,499 8,131 3.6% 4.2%
OCLC 13,889 19,313 8.8% 10.6%
RLG 1,277 1,513 1.0% 1.0%
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) 24 46 70
GEOREF (Stanford) 43 132 175
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 100 173 273
Arizona State University 1 0 1
Boston University 0 3 3
California State Library 2 1 3
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 1 1
Cal State Univ., Hayward 1 5 6
Cambridge University, England 1 1 2
CARL 1 2 3
CARL Uncover 7 14 21
Chicano/Latino Net Gopher 0 0 0
Claremont College 1 0 1
Cleveland Free-Net 0 0 0
Dartmouth College 1 1 2
DIALOG 1 47 48
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 3 1 4
Harvard 1 0 1
Library of Congress (LOCIS) 3 4 7
Los Angeles Public Library 0 3 3
National Agricultural Library 10 4 14
NLM AIDSDBS 0 1 1
NLM Databases (Medlars) 2 0 2
Northern Regional Lib Facility 95 50 145
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 1 88 89
OCLC EPIC 0 0 0
Oxford University, England 1 1 2
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 60 79 139
San Francisco State University 1 0 1
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 7 62 69
SUNY Buffalo (BISON) 2 1 3
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 83 169 252
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 5 6
UCLA ORION 3 2 5
UCSC CRUZCAT 3 2 5
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 0 0
UCSF Catalog 10 2 12
Univ. of Hawaii 1 0 1
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 5 5
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 4 2 6
Virginia Polytechnic Institute 0 0 0
Weather 0 56 56
WRLC 1 0 1
Yale 6 4 10
Other 0 2 2
_______ ______ _____
Total number of USE commands 481 969 1,450
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.7
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
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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 193
SAVE SET 280
RECALL SET 4
DELETE/CLEAR SET 4
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 2,137
1.7.2 REQUEST Commands
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Number of REQUEST Commands 231
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 3 3
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 1 0 1
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 1 1
_______ ______ _____
2 5 7
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 4
CC 4
CCT 0
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 1
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 20
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 03/09/01 3,699
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)