MELVYL SYSTEM TELNET STATISTICS
Time period: 07/21/01 through 07/27/01
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 1,016 4,995 6,011
Davis 2,983 391 3,374
Irvine 1,438 0 1,438
Los Angeles 18 2,142 2,160
Riverside 688 324 1,012
San Diego 710 1,215 1,925
San Francisco 1,959 0 1,959
Santa Barbara 324 413 737
Santa Cruz 458 463 921
NRLF 0 0 0
SRLF 0 0 0
LBL 0 251 251
LLL 0 181 181
Los Alamos 0 8 8
Other - UC 66 443 509
CSL 0 154 154
CSU n/a 288 288
Stanford n/a 318 318
Other - Non UC n/a 9,760 9,760
_______ ______ _____
9,660 21,346 31,006
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 13 12-2 p.m. 59
2-4 a.m. 13 2-4 p.m. 72
4-6 a.m. 12 4-6 p.m. 47
6-8 a.m. 13 6-8 p.m. 17
8-10 a.m. 43 8-10 p.m. 13
10-12 a.m. 67 10-12 p.m. 14
Maximum of active users in a 2 minute interval:
For MELVYL system on 07/23/01 at 15:21:33 total number of users: 129
For MELVYL MEDLINE on 07/24/01 at 14:53:13 total number of users: 23
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 611.50
For Non-UC users (hrs:mins) 24.17
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2,946 15,132 18,078
Davis 11,467 1,030 12,497
Irvine 4,700 0 4,700
Los Angeles 45 6,547 6,592
Riverside 2,230 800 3,030
San Diego 3,603 2,921 6,524
San Francisco 6,166 0 6,166
Santa Barbara 1,097 1,212 2,309
Santa Cruz 2,090 1,271 3,361
NRLF 0 0 0
SRLF 0 0 0
LBL 0 507 507
LLL 0 1,096 1,096
Los Alamos 0 28 28
Other - UC 86 1,383 1,469
CSL 0 235 235
CSU n/a 1,000 1,000
Stanford n/a 866 866
Other - Non UC n/a 28,296 28,296
_______ ______ _____
34,430 62,324 96,754
Average number of FIND commands per hour:
12-2 a.m. 56 12-2 p.m. 547
2-4 a.m. 56 2-4 p.m. 675
4-6 a.m. 59 4-6 p.m. 402
6-8 a.m. 109 6-8 p.m. 133
8-10 a.m. 383 8-10 p.m. 84
10-12 a.m. 611 10-12 p.m. 76
Total number of FIND commands 96,754
Peak hourly load of 1,072 FIND commands occurred on 07/23/01 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 23,195 135,430 158,625
Davis 98,305 5,378 103,683
Irvine 31,244 0 31,244
Los Angeles 240 60,944 61,184
Riverside 19,473 8,663 28,136
San Diego 18,640 39,524 58,164
San Francisco 86,689 0 86,689
Santa Barbara 8,761 13,816 22,577
Santa Cruz 10,235 14,152 24,387
NRLF 0 0 0
SRLF 0 0 0
LBL 0 5,698 5,698
LLL 0 9,873 9,873
Los Alamos 0 1,773 1,773
Other - UC 1,823 14,403 16,226
CSL 0 1,906 1,906
CSU n/a 11,709 11,709
Stanford n/a 7,588 7,588
Other - Non UC n/a 947,666 947,666
_______ ______ _____
298,605 1,278,523 1,577,128
Average number of records displayed per hour:
12-2 a.m. 979 12-2 p.m. 15,178
2-4 a.m. 643 2-4 p.m. 24,998
4-6 a.m. 720 4-6 p.m. 14,179
6-8 a.m. 15,781 6-8 p.m. 13,987
8-10 a.m. 13,349 8-10 p.m. 4,983
10-12 a.m. 23,488 10-12 p.m. 1,769
Total number of Records Displayed 1,577,128
Peak hourly load of 111,444 records displayed occurred on 07/27/01 at 10 am
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 42,119 1,036,509 41.1% 43.5%
TEN 0 0 0.0% 0.0%
PE 4,459 37,520 4.8% 4.6%
ABI 585 945 0.7% 0.6%
BIOSIS 3,417 4,103 3.6% 3.5%
CC databases 8,237 83,181 8.5% 8.5%
CC 8,123 80,149 8.2% 8.4%
CCT 114 3,032 0.3% 0.1%
IAC databases 2,823 40,993 3.3% 2.9%
MAGS 2,518 38,205 2.9% 2.6%
NEWS 217 1,822 0.3% 0.2%
COMP 88 966 0.1% 0.1%
INS databases 2,926 24,324 4.6% 3.0%
INS 2,053 17,516 3.0% 2.1%
INS90 347 2,146 0.6% 0.4%
INS85 210 1,024 0.4% 0.2%
INS80 132 1,918 0.3% 0.1%
INS69 184 1,720 0.3% 0.2%
MED databases 16,754 190,888 18.0% 17.3%
MED 13,433 165,538 12.9% 13.9%
MED90 1,448 12,091 2.2% 1.5%
MED85 797 8,208 1.3% 0.8%
MED80 496 2,421 0.8% 0.5%
MED75 278 914 0.5% 0.3%
MED66 302 1,716 0.4% 0.3%
PSYC 3,502 5,036 2.9% 3.6%
OCLC 10,831 13,429 11.1% 11.2%
RLG 777 896 0.9% 0.8%
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) 3 38 41
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 75 115 190
Arizona State University 0 1 1
Boston University 1 0 1
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 19 14 33
Cambridge University, England 0 1 1
CARL 0 0 0
CARL Uncover 2 21 23
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 1 1
DIALOG 0 19 19
DRA LC 0 1 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 2 6 8
Harvard 0 5 5
Library of Congress (LOCIS) 0 12 12
Los Angeles Public Library 0 4 4
National Agricultural Library 3 1 4
NLM AIDSDBS 0 3 3
NLM Databases (Medlars) 2 0 2
Northern Regional Lib Facility 92 27 119
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 1 74 75
OCLC EPIC 0 0 0
Oxford University, England 0 2 2
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 34 56 90
San Francisco State University 0 1 1
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 6 41 47
SUNY Buffalo (BISON) 0 0 0
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 36 110 146
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 0 1 1
UCLA ORION 1 1 2
UCSC CRUZCAT 0 0 0
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 2 2
UCSF Catalog 1 1 2
Univ. of Hawaii 0 0 0
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 0 0
Virginia Polytechnic Institute 0 0 0
Weather 0 53 53
WRLC 0 0 0
Yale 2 1 3
Other 4 0 4
_______ ______ _____
Total number of USE commands 284 615 899
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 3.0
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.6
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 165
SAVE SET 214
RECALL SET 0
DELETE/CLEAR SET 0
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,247
1.7.2 REQUEST Commands
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Number of REQUEST Commands 112
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 1 1
Davis 0 0 0
Irvine 1 0 1
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 1 1
San Francisco 0 0 0
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 0 0
_______ ______ _____
2 2 4
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 2
CC 1
CCT 1
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 0
INS 0
PSYC 0
ABI 0
BIOSIS 1
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 18
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 07/27/01 3,359
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)