MELVYL SYSTEM TELNET STATISTICS
Time period: 01/19/02 through 01/25/02
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 821 3,368 4,189
Davis 2,129 185 2,314
Irvine 751 0 751
Los Angeles 17 954 971
Riverside 371 206 577
San Diego 472 756 1,228
San Francisco 326 0 326
Santa Barbara 328 266 594
Santa Cruz 182 275 457
NRLF 0 0 0
SRLF 0 0 0
LBL 0 208 208
LLL 0 118 118
Los Alamos 0 2 2
Other - UC 56 284 340
CSL 0 127 127
CSU n/a 152 152
Stanford n/a 61 61
Other - Non UC n/a 7,630 7,630
_______ ______ _____
5,453 14,592 20,045
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 15 12-2 p.m. 46
2-4 a.m. 17 2-4 p.m. 53
4-6 a.m. 13 4-6 p.m. 37
6-8 a.m. 11 6-8 p.m. 15
8-10 a.m. 32 8-10 p.m. 10
10-12 a.m. 52 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 01/25/02 at 11:27:11 total number of users: 100
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1,912 10,404 12,316
Davis 7,240 1,374 8,614
Irvine 3,644 0 3,644
Los Angeles 31 2,427 2,458
Riverside 1,601 725 2,326
San Diego 1,040 1,894 2,934
San Francisco 1,340 0 1,340
Santa Barbara 1,460 680 2,140
Santa Cruz 904 840 1,744
NRLF 0 0 0
SRLF 0 0 0
LBL 0 366 366
LLL 0 443 443
Los Alamos 0 5 5
Other - UC 100 1,228 1,328
CSL 0 103 103
CSU n/a 962 962
Stanford n/a 124 124
Other - Non UC n/a 21,025 21,025
_______ ______ _____
19,272 42,600 61,872
Average number of FIND commands per hour:
12-2 a.m. 47 12-2 p.m. 368
2-4 a.m. 46 2-4 p.m. 391
4-6 a.m. 37 4-6 p.m. 246
6-8 a.m. 59 6-8 p.m. 78
8-10 a.m. 220 8-10 p.m. 52
10-12 a.m. 389 10-12 p.m. 51
Total number of FIND commands 61,872
Peak hourly load of 786 FIND commands occurred on 01/23/02 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 15,138 94,008 109,146
Davis 54,438 11,625 66,063
Irvine 32,953 0 32,953
Los Angeles 249 23,840 24,089
Riverside 13,166 6,390 19,556
San Diego 6,945 16,716 23,661
San Francisco 9,236 0 9,236
Santa Barbara 12,576 5,143 17,719
Santa Cruz 4,621 7,769 12,390
NRLF 0 0 0
SRLF 0 0 0
LBL 0 5,264 5,264
LLL 0 7,649 7,649
Los Alamos 0 10 10
Other - UC 763 9,534 10,297
CSL 0 745 745
CSU n/a 6,147 6,147
Stanford n/a 714 714
Other - Non UC n/a 166,139 166,139
_______ ______ _____
150,085 361,693 511,778
Average number of records displayed per hour:
12-2 a.m. 710 12-2 p.m. 7,272
2-4 a.m. 1,463 2-4 p.m. 7,171
4-6 a.m. 560 4-6 p.m. 4,829
6-8 a.m. 1,191 6-8 p.m. 1,668
8-10 a.m. 4,218 8-10 p.m. 1,174
10-12 a.m. 6,804 10-12 p.m. 902
Total number of Records Displayed 511,778
Peak hourly load of 13,455 records displayed occurred on 01/25/02 at 1 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 37,323 289,673 57.0% 60.3%
TEN 0 0 0.0% 0.0%
PE 4,031 29,218 6.8% 6.5%
ABI 443 419 0.6% 0.7%
BIOSIS 3,822 4,872 5.9% 6.2%
CC databases 6,198 64,830 11.1% 10.0%
CC 6,062 53,753 10.7% 9.8%
CCT 136 11,077 0.4% 0.2%
IAC databases 1,829 18,456 3.6% 3.0%
MAGS 1,658 17,348 3.2% 2.7%
NEWS 103 503 0.2% 0.2%
COMP 68 605 0.1% 0.1%
INS databases 2,633 20,363 6.2% 4.3%
INS 1,865 16,016 4.0% 3.0%
INS90 305 1,439 0.9% 0.5%
INS85 170 794 0.5% 0.3%
INS80 143 951 0.4% 0.2%
INS69 150 1,163 0.4% 0.2%
MED databases 0 0 0.0% 0.0%
MED 0 0 0.0% 0.0%
MED90 0 0 0.0% 0.0%
MED85 0 0 0.0% 0.0%
MED80 0 0 0.0% 0.0%
MED75 0 0 0.0% 0.0%
MED66 0 0 0.0% 0.0%
PSYC 3,145 4,729 3.6% 5.1%
OCLC 373 379 0.8% 0.6%
RLG 1,767 2,314 3.6% 2.9%
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) 0 0 0
GEOREF (Stanford) 0 0 0
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 105 101 206
Arizona State University 0 0 0
Boston University 0 0 0
California State Library 0 2 2
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 6 5 11
Cambridge University, England 0 1 1
CARL 0 1 1
CARL Uncover 2 6 8
Chicano/Latino Net Gopher 0 0 0
Claremont College 1 0 1
Cleveland Free-Net 0 1 1
Dartmouth College 0 3 3
DIALOG 1 40 41
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 1 1
Harvard 0 1 1
Library of Congress (LOCIS) 0 5 5
Los Angeles Public Library 0 0 0
National Agricultural Library 0 0 0
NLM AIDSDBS 0 1 1
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 49 29 78
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 1 81 82
OCLC EPIC 0 0 0
Oxford University, England 0 2 2
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 20 65 85
San Francisco State University 0 2 2
San Jose State University 0 0 0
Santa Clara University (OSCAR) 1 0 1
Stanford University 0 5 5
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 33 76 109
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 5 0 5
UCLA ORION 0 1 1
UCSC CRUZCAT 0 1 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 3 3
UCSF Catalog 1 1 2
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
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 0 0 0
Virginia Polytechnic Institute 0 0 0
Weather 0 5 5
WRLC 0 0 0
Yale 2 1 3
Other 0 0 0
_______ ______ _____
Total number of USE commands 227 440 667
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 7.2
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.0
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 48
SAVE SET 76
RECALL SET 7
DELETE/CLEAR SET 1
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 862
1.7.2 REQUEST Commands
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Number of REQUEST Commands 88
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 0 0
Davis 4 0 4
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 2 2
San Francisco 0 0 0
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 0 0
Other - Non UC n/a 1 1
_______ ______ _____
4 3 7
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 0
CC 0
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 0
INS 2
PSYC 0
ABI 0
BIOSIS 4
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 7
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 01/25/02 1,797
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)