MELVYL SYSTEM TELNET STATISTICS
Time period: 03/16/02 through 03/22/02
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 1,101 3,913 5,014
Davis 2,040 181 2,221
Irvine 622 0 622
Los Angeles 9 914 923
Riverside 465 184 649
San Diego 504 550 1,054
San Francisco 328 0 328
Santa Barbara 287 222 509
Santa Cruz 198 257 455
NRLF 0 0 0
SRLF 0 0 0
LBL 0 184 184
LLL 0 111 111
Los Alamos 0 3 3
Other - UC 22 431 453
CSL 0 148 148
CSU n/a 197 197
Stanford n/a 51 51
Other - Non UC n/a 5,706 5,706
_______ ______ _____
5,576 13,052 18,628
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 11 12-2 p.m. 41
2-4 a.m. 14 2-4 p.m. 51
4-6 a.m. 10 4-6 p.m. 32
6-8 a.m. 10 6-8 p.m. 11
8-10 a.m. 32 8-10 p.m. 8
10-12 a.m. 48 10-12 p.m. 9
Maximum of active users in a 2 minute interval:
For MELVYL system on 03/21/02 at 14:29:00 total number of users: 87
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,011 11,976 14,987
Davis 7,719 938 8,657
Irvine 2,653 0 2,653
Los Angeles 32 2,697 2,729
Riverside 2,787 778 3,565
San Diego 1,829 1,295 3,124
San Francisco 1,511 0 1,511
Santa Barbara 1,190 530 1,720
Santa Cruz 1,144 881 2,025
NRLF 0 0 0
SRLF 0 0 0
LBL 0 472 472
LLL 0 374 374
Los Alamos 0 8 8
Other - UC 25 1,057 1,082
CSL 0 215 215
CSU n/a 1,058 1,058
Stanford n/a 119 119
Other - Non UC n/a 19,722 19,722
_______ ______ _____
21,901 42,120 64,021
Average number of FIND commands per hour:
12-2 a.m. 55 12-2 p.m. 356
2-4 a.m. 49 2-4 p.m. 422
4-6 a.m. 43 4-6 p.m. 268
6-8 a.m. 65 6-8 p.m. 106
8-10 a.m. 278 8-10 p.m. 52
10-12 a.m. 374 10-12 p.m. 53
Total number of FIND commands 64,021
Peak hourly load of 728 FIND commands occurred on 03/19/02 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 27,071 110,094 137,165
Davis 57,713 6,915 64,628
Irvine 25,936 0 25,936
Los Angeles 273 29,491 29,764
Riverside 13,533 7,640 21,173
San Diego 10,284 10,574 20,858
San Francisco 24,832 0 24,832
Santa Barbara 10,999 6,479 17,478
Santa Cruz 10,342 11,081 21,423
NRLF 0 0 0
SRLF 0 0 0
LBL 0 10,067 10,067
LLL 0 2,737 2,737
Los Alamos 0 11 11
Other - UC 285 15,703 15,988
CSL 0 1,339 1,339
CSU n/a 9,368 9,368
Stanford n/a 1,559 1,559
Other - Non UC n/a 152,560 152,560
_______ ______ _____
181,268 375,618 556,886
Average number of records displayed per hour:
12-2 a.m. 648 12-2 p.m. 7,041
2-4 a.m. 1,127 2-4 p.m. 8,125
4-6 a.m. 373 4-6 p.m. 5,328
6-8 a.m. 1,054 6-8 p.m. 2,031
8-10 a.m. 4,474 8-10 p.m. 1,281
10-12 a.m. 8,106 10-12 p.m. 1,158
Total number of Records Displayed 556,886
Peak hourly load of 16,069 records displayed occurred on 03/19/02 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 40,977 322,357 58.8% 64.0%
TEN 0 0 0.0% 0.0%
PE 3,633 29,789 6.0% 5.7%
ABI 484 743 0.7% 0.8%
BIOSIS 3,733 4,402 6.1% 5.8%
CC databases 6,177 81,745 11.0% 9.6%
CC 6,022 57,461 10.5% 9.4%
CCT 155 24,284 0.5% 0.2%
IAC databases 2,206 28,038 4.5% 3.4%
MAGS 1,968 25,892 4.0% 3.1%
NEWS 215 1,806 0.5% 0.3%
COMP 23 340 0.1% 0.0%
INS databases 1,778 13,456 4.3% 2.8%
INS 1,236 10,578 2.9% 1.9%
INS90 174 948 0.5% 0.3%
INS85 132 569 0.4% 0.2%
INS80 101 373 0.3% 0.2%
INS69 135 988 0.3% 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 2,714 3,721 3.5% 4.2%
OCLC 318 189 0.6% 0.5%
RLG 1,676 2,305 3.8% 2.6%
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 72 116 188
Arizona State University 0 0 0
Boston University 0 0 0
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 8 13 21
Cambridge University, England 0 0 0
CARL 0 1 1
CARL Uncover 1 5 6
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 1 31 32
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 1 1 2
Harvard 0 2 2
Library of Congress (LOCIS) 2 2 4
Los Angeles Public Library 0 0 0
National Agricultural Library 0 2 2
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 59 19 78
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 1 79 80
OCLC EPIC 0 0 0
Oxford University, England 0 1 1
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 23 45 68
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 2 6 8
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 23 109 132
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 5 0 5
UCLA ORION 0 0 0
UCSC CRUZCAT 0 0 0
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 2 2
UCSF Catalog 1 2 3
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 1 1
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 1 1
WRLC 0 0 0
Yale 6 0 6
Other 0 0 0
_______ ______ _____
Total number of USE commands 205 439 644
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 6.7
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.1
Standard deviation in seconds 1.1
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 62
SAVE SET 74
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 858
1.7.2 REQUEST Commands
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Number of REQUEST Commands 109
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 5 0 5
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 0 1 1
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 1 1
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
_______ ______ _____
5 2 7
1.7.4 Number of UPDATE commands by Database
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CAT 4
PE 0
TEN 0
CC databases 1
CC 1
CCT 0
IAC databases 1
MAGS 0
NEWS 0
COMP 1
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 13
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 03/22/02 1,724
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)