MELVYL SYSTEM TELNET STATISTICS
Time period: 12/29/01 through 01/04/02
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 391 2,167 2,558
Davis 1,507 142 1,649
Irvine 564 0 564
Los Angeles 9 858 867
Riverside 318 141 459
San Diego 256 698 954
San Francisco 485 0 485
Santa Barbara 144 175 319
Santa Cruz 95 230 325
NRLF 0 0 0
SRLF 0 0 0
LBL 0 144 144
LLL 0 65 65
Los Alamos 0 1 1
Other - UC 106 227 333
CSL 0 99 99
CSU n/a 78 78
Stanford n/a 58 58
Other - Non UC n/a 4,483 4,483
_______ ______ _____
3,875 9,566 13,441
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 18 12-2 p.m. 35
2-4 a.m. 19 2-4 p.m. 40
4-6 a.m. 16 4-6 p.m. 29
6-8 a.m. 8 6-8 p.m. 16
8-10 a.m. 25 8-10 p.m. 16
10-12 a.m. 39 10-12 p.m. 17
Maximum of active users in a 2 minute interval:
For MELVYL system on 01/02/02 at 14:28:13 total number of users: 90
For MELVYL MEDLINE on 12/31/01 at 15:17:20 total number of users: 8
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 55.23
For Non-UC users (hrs:mins) 1.27
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 998 6,546 7,544
Davis 5,201 661 5,862
Irvine 2,188 0 2,188
Los Angeles 17 2,149 2,166
Riverside 1,054 363 1,417
San Diego 741 1,844 2,585
San Francisco 1,280 0 1,280
Santa Barbara 456 559 1,015
Santa Cruz 981 582 1,563
NRLF 0 0 0
SRLF 0 0 0
LBL 0 333 333
LLL 0 129 129
Los Alamos 0 1 1
Other - UC 23 620 643
CSL 0 77 77
CSU n/a 180 180
Stanford n/a 88 88
Other - Non UC n/a 13,256 13,256
_______ ______ _____
12,939 27,388 40,327
Average number of FIND commands per hour:
12-2 a.m. 35 12-2 p.m. 215
2-4 a.m. 23 2-4 p.m. 250
4-6 a.m. 27 4-6 p.m. 145
6-8 a.m. 43 6-8 p.m. 77
8-10 a.m. 133 8-10 p.m. 50
10-12 a.m. 230 10-12 p.m. 39
Total number of FIND commands 40,327
Peak hourly load of 502 FIND commands occurred on 01/04/02 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 12,869 61,832 74,701
Davis 39,198 4,882 44,080
Irvine 20,868 0 20,868
Los Angeles 325 21,122 21,447
Riverside 9,878 3,282 13,160
San Diego 5,032 19,929 24,961
San Francisco 13,680 0 13,680
Santa Barbara 4,742 8,787 13,529
Santa Cruz 2,939 6,439 9,378
NRLF 0 0 0
SRLF 0 0 0
LBL 0 3,608 3,608
LLL 0 1,992 1,992
Los Alamos 0 37 37
Other - UC 112 6,747 6,859
CSL 0 795 795
CSU n/a 2,038 2,038
Stanford n/a 1,487 1,487
Other - Non UC n/a 107,213 107,213
_______ ______ _____
109,643 250,190 359,833
Average number of records displayed per hour:
12-2 a.m. 660 12-2 p.m. 3,903
2-4 a.m. 973 2-4 p.m. 4,940
4-6 a.m. 385 4-6 p.m. 3,245
6-8 a.m. 857 6-8 p.m. 1,517
8-10 a.m. 2,757 8-10 p.m. 1,280
10-12 a.m. 5,036 10-12 p.m. 800
Total number of Records Displayed 359,833
Peak hourly load of 12,443 records displayed occurred on 01/03/02 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 21,661 164,826 51.0% 53.7%
TEN 0 0 0.0% 0.0%
PE 2,527 19,216 6.3% 6.3%
ABI 313 603 0.8% 0.8%
BIOSIS 2,022 2,789 5.2% 5.0%
CC databases 4,819 53,939 12.5% 11.9%
CC 4,760 50,802 12.0% 11.8%
CCT 59 3,137 0.4% 0.1%
IAC databases 1,659 26,759 4.4% 4.1%
MAGS 1,501 24,171 3.7% 3.7%
NEWS 62 302 0.3% 0.2%
COMP 96 2,286 0.3% 0.2%
INS databases 1,718 12,342 6.1% 4.3%
INS 1,023 9,505 3.4% 2.5%
INS90 321 1,379 1.1% 0.8%
INS85 140 405 0.7% 0.3%
INS80 111 393 0.6% 0.3%
INS69 123 660 0.4% 0.3%
MED databases 1,819 21,978 4.6% 4.5%
MED 1,508 17,961 3.3% 3.7%
MED90 109 1,646 0.4% 0.3%
MED85 74 919 0.3% 0.2%
MED80 52 712 0.2% 0.1%
MED75 56 415 0.2% 0.1%
MED66 20 325 0.1% 0.0%
PSYC 2,143 2,878 4.0% 5.3%
OCLC 137 188 0.4% 0.3%
RLG 1,333 1,514 4.1% 3.3%
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 67 105 172
Arizona State University 1 0 1
Boston University 0 0 0
California State Library 1 0 1
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 1 1 2
Cal State Univ., Hayward 5 45 50
Cambridge University, England 0 0 0
CARL 1 0 1
CARL Uncover 1 6 7
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 0 24 24
DRA LC 1 0 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 0 0
Harvard 1 2 3
Library of Congress (LOCIS) 2 3 5
Los Angeles Public Library 0 0 0
National Agricultural Library 0 0 0
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 32 12 44
New York Public Library 1 0 1
OCEAN Information Center 0 0 0
OCLC Catalog 1 79 80
OCLC EPIC 0 0 0
Oxford University, England 0 2 2
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 17 45 62
San Francisco State University 0 0 0
San Jose State University 2 0 2
Santa Clara University (OSCAR) 2 0 2
Stanford University 0 4 4
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 19 55 74
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 3 4
UCLA ORION 0 0 0
UCSC CRUZCAT 1 1 2
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 1 1
UCSF Catalog 0 0 0
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 2 0 2
Virginia Polytechnic Institute 0 0 0
Weather 1 2 3
WRLC 0 0 0
Yale 2 0 2
Other 1 0 1
_______ ______ _____
Total number of USE commands 163 392 553
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 3.2
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.7
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 34
SAVE SET 57
RECALL SET 2
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 632
1.7.2 REQUEST Commands
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Number of REQUEST Commands 76
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 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 3 0 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 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
_______ ______ _____
3 1 4
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 1
MAGS 1
NEWS 0
COMP 0
MED 0
INS 2
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 10
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 01/04/02 1,843
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)