MELVYL SYSTEM TELNET STATISTICS
Time period: 10/01/01 through 10/31/01
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 5,896 22,521 28,417
Davis 16,673 2,024 18,697
Irvine 6,552 0 6,552
Los Angeles 172 8,504 8,676
Riverside 2,878 1,252 4,130
San Diego 2,987 4,326 7,313
San Francisco 6,698 0 6,698
Santa Barbara 1,652 1,777 3,429
Santa Cruz 1,376 1,705 3,081
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1,323 1,323
LLL 0 751 751
Los Alamos 0 34 34
Other - UC 234 2,285 2,519
CSL 0 668 668
CSU n/a 1,256 1,256
Stanford n/a 667 667
Other - Non UC n/a 39,821 39,821
_______ ______ _____
45,118 88,914 134,032
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. 63
2-4 a.m. 10 2-4 p.m. 69
4-6 a.m. 10 4-6 p.m. 47
6-8 a.m. 11 6-8 p.m. 18
8-10 a.m. 42 8-10 p.m. 12
10-12 a.m. 66 10-12 p.m. 11
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 2246.60
For Non-UC users (hrs:mins) 58.20
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 16,472 65,955 82,427
Davis 57,664 6,505 64,169
Irvine 22,067 0 22,067
Los Angeles 483 26,577 27,060
Riverside 11,317 3,133 14,450
San Diego 9,613 11,980 21,593
San Francisco 19,011 0 19,011
Santa Barbara 6,485 4,791 11,276
Santa Cruz 10,224 4,123 14,347
NRLF 0 0 0
SRLF 0 0 0
LBL 0 2,856 2,856
LLL 0 1,933 1,933
Los Alamos 0 123 123
Other - UC 273 6,627 6,900
CSL 0 780 780
CSU n/a 6,245 6,245
Stanford n/a 1,759 1,759
Other - Non UC n/a 117,226 117,226
_______ ______ _____
153,609 260,613 414,222
Average number of FIND commands per hour:
12-2 a.m. 54 12-2 p.m. 597
2-4 a.m. 33 2-4 p.m. 667
4-6 a.m. 35 4-6 p.m. 412
6-8 a.m. 86 6-8 p.m. 143
8-10 a.m. 373 8-10 p.m. 95
10-12 a.m. 612 10-12 p.m. 101
Total number of FIND commands 414,222
Peak hourly load of 1,229 FIND commands occurred on 10/03/01 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 139,938 594,532 734,470
Davis 419,888 37,789 457,677
Irvine 185,247 0 185,247
Los Angeles 6,104 367,304 373,408
Riverside 87,596 30,778 118,374
San Diego 46,915 153,607 200,522
San Francisco 181,980 0 181,980
Santa Barbara 62,179 51,050 113,229
Santa Cruz 33,761 39,138 72,899
NRLF 0 0 0
SRLF 0 0 0
LBL 0 26,233 26,233
LLL 0 17,794 17,794
Los Alamos 0 886 886
Other - UC 1,743 54,607 56,350
CSL 0 6,435 6,435
CSU n/a 57,989 57,989
Stanford n/a 15,186 15,186
Other - Non UC n/a 894,207 894,207
_______ ______ _____
1,165,351 2,347,535 3,512,886
Average number of records displayed per hour:
12-2 a.m. 782 12-2 p.m. 9,573
2-4 a.m. 757 2-4 p.m. 10,901
4-6 a.m. 492 4-6 p.m. 8,304
6-8 a.m. 1,520 6-8 p.m. 3,869
8-10 a.m. 6,258 8-10 p.m. 3,588
10-12 a.m. 9,998 10-12 p.m. 1,846
Total number of Records Displayed 3,512,886
Peak hourly load of 44,567 records displayed occurred on 10/30/01 at 9 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 200,534 1,417,193 44.2% 48.4%
TEN 0 0 0.0% 0.0%
PE 18,915 161,992 4.7% 4.6%
ABI 2,330 3,499 0.6% 0.6%
BIOSIS 13,073 15,069 3.5% 3.2%
CC databases 31,441 318,695 8.9% 7.6%
CC 30,806 292,209 8.6% 7.4%
CCT 635 26,486 0.3% 0.2%
IAC databases 12,856 143,506 3.6% 3.1%
MAGS 11,310 131,302 3.1% 2.7%
NEWS 1,114 7,876 0.4% 0.3%
COMP 432 4,328 0.1% 0.1%
INS databases 12,217 91,325 4.5% 2.9%
INS 8,380 68,711 2.8% 2.0%
INS90 1,484 8,989 0.6% 0.4%
INS85 849 3,827 0.4% 0.2%
INS80 740 4,891 0.3% 0.2%
INS69 764 4,907 0.3% 0.2%
MED databases 58,277 587,050 15.9% 14.1%
MED 46,091 488,009 11.6% 11.1%
MED90 5,554 28,655 1.9% 1.3%
MED85 2,717 16,934 1.0% 0.7%
MED80 1,731 22,155 0.7% 0.4%
MED75 1,110 21,976 0.4% 0.3%
MED66 1,074 9,321 0.4% 0.3%
PSYC 14,143 20,138 3.0% 3.4%
OCLC 43,312 57,893 9.4% 10.5%
RLG 5,695 5,697 1.2% 1.4%
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) 0 0 0
GEOREF (Stanford) 0 0 0
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 418 647 1,065
Arizona State University 0 7 7
Boston University 1 3 4
California State Library 2 4 6
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 22 33 55
Cambridge University, England 1 21 22
CARL 0 9 9
CARL Uncover 14 26 40
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 2 2
DIALOG 3 123 126
DRA LC 0 1 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 7 15 22
Harvard 3 15 18
Library of Congress (LOCIS) 8 19 27
Los Angeles Public Library 5 2 7
National Agricultural Library 15 8 23
NLM AIDSDBS 4 5 9
NLM Databases (Medlars) 1 7 8
Northern Regional Lib Facility 401 120 521
New York Public Library 0 3 3
OCEAN Information Center 0 0 0
OCLC Catalog 3 386 389
OCLC EPIC 0 0 0
Oxford University, England 0 1 1
Princeton 2 0 2
Rensselaer Polytechnic Institute 0 0 0
RLIN 120 294 414
San Francisco State University 0 1 1
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 1 1
Stanford University 10 84 94
SUNY Buffalo (BISON) 5 6 11
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 190 534 724
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 9 11 20
UCLA ORION 0 3 3
UCSC CRUZCAT 0 8 8
UCSC INFOSLUG 0 0 0
UCSD ROGER 2 7 9
UCSF Catalog 5 5 10
Univ. of Hawaii 0 1 1
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 2 2
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 7 7
Virginia Polytechnic Institute 0 0 0
Weather 1 4 5
WRLC 0 0 0
Yale 26 12 38
Other 4 3 7
_______ ______ _____
Total number of USE commands 1,282 2,440 3,722
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.8
Standard deviation in seconds 3.7
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.3
Standard deviation in seconds 3.2
1.5 Online Publications
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Current Cites 1
DLA Bulletin 0
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 562
SAVE SET 614
RECALL SET 10
DELETE/CLEAR SET 6
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 5,209
1.7.2 REQUEST Commands
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Number of REQUEST Commands 510
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 9 10
Davis 1 0 1
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 1 1
San Francisco 0 0 0
Santa Barbara 0 3 3
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 0 0
Los Alamos 0 1 1
Other - UC 1 0 1
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 0 0
Other - Non UC n/a 2 2
_______ ______ _____
3 16 19
1.7.4 Number of UPDATE commands by Database
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CAT 4
PE 0
TEN 0
CC databases 13
CC 13
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 2
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 86
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 10/31/01 3,343
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)