MELVYL SYSTEM TELNET STATISTICS
Time period: 11/18/00 through 11/24/00
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 1,857 5,117 6,974
Davis 3,345 578 3,923
Irvine 1,963 0 1,963
Los Angeles 539 2,097 2,636
Riverside 1,016 230 1,246
San Diego 710 1,129 1,839
San Francisco 1,719 0 1,719
Santa Barbara 573 564 1,137
Santa Cruz 558 412 970
NRLF 0 0 0
SRLF 2 0 2
LBL 0 236 236
LLL 0 138 138
Los Alamos 0 3 3
Other - UC 46 538 584
CSL 0 106 106
CSU n/a 180 180
Stanford n/a 305 305
Other - Non UC n/a 6,736 6,736
_______ ______ _____
12,328 18,369 30,697
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 12 12-2 p.m. 63
2-4 a.m. 12 2-4 p.m. 73
4-6 a.m. 9 4-6 p.m. 47
6-8 a.m. 11 6-8 p.m. 20
8-10 a.m. 39 8-10 p.m. 16
10-12 a.m. 62 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 11/20/00 at 11:43:26 total number of users: 166
For MELVYL MEDLINE on 11/20/00 at 12:25:31 total number of users: 25
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 599.10
For Non-UC users (hrs:mins) 19.93
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 5,907 15,421 21,328
Davis 10,903 2,208 13,111
Irvine 7,138 0 7,138
Los Angeles 1,637 6,168 7,805
Riverside 3,172 648 3,820
San Diego 2,437 3,123 5,560
San Francisco 5,221 0 5,221
Santa Barbara 2,035 1,357 3,392
Santa Cruz 1,730 1,072 2,802
NRLF 0 0 0
SRLF 5 0 5
LBL 0 527 527
LLL 0 878 878
Los Alamos 0 10 10
Other - UC 64 1,549 1,613
CSL 0 180 180
CSU n/a 825 825
Stanford n/a 772 772
Other - Non UC n/a 22,385 22,385
_______ ______ _____
40,249 57,123 97,372
Average number of FIND commands per hour:
12-2 a.m. 71 12-2 p.m. 597
2-4 a.m. 64 2-4 p.m. 674
4-6 a.m. 46 4-6 p.m. 402
6-8 a.m. 95 6-8 p.m. 164
8-10 a.m. 323 8-10 p.m. 127
10-12 a.m. 602 10-12 p.m. 107
Total number of FIND commands 97,372
Peak hourly load of 1,489 FIND commands occurred on 11/20/00 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 53,429 147,998 201,427
Davis 91,627 11,990 103,617
Irvine 59,666 0 59,666
Los Angeles 14,078 60,543 74,621
Riverside 27,151 5,994 33,145
San Diego 13,363 341,607 354,970
San Francisco 68,688 0 68,688
Santa Barbara 14,655 13,697 28,352
Santa Cruz 13,730 11,166 24,896
NRLF 0 0 0
SRLF 44 0 44
LBL 0 4,883 4,883
LLL 0 8,830 8,830
Los Alamos 0 35 35
Other - UC 408 16,744 17,152
CSL 0 1,018 1,018
CSU n/a 13,179 13,179
Stanford n/a 8,256 8,256
Other - Non UC n/a 206,950 206,950
_______ ______ _____
356,839 852,890 1,209,729
Average number of records displayed per hour:
12-2 a.m. 1,398 12-2 p.m. 12,296
2-4 a.m. 835 2-4 p.m. 13,428
4-6 a.m. 580 4-6 p.m. 9,277
6-8 a.m. 1,860 6-8 p.m. 4,312
8-10 a.m. 11,218 8-10 p.m. 3,249
10-12 a.m. 22,712 10-12 p.m. 2,288
Total number of Records Displayed 1,209,729
Peak hourly load of 116,408 records displayed occurred on 11/21/00 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 40,826 320,431 41.9% 41.9%
TEN 0 0 0.0% 0.0%
PE 2,669 24,266 3.0% 2.7%
ABI 786 1,968 0.9% 0.8%
BIOSIS 4,054 5,322 3.8% 4.2%
CC databases 8,211 87,060 8.9% 8.4%
CC 8,047 74,731 8.5% 8.3%
CCT 164 12,329 0.4% 0.2%
IAC databases 6,422 260,650 6.7% 6.6%
MAGS 5,813 248,164 5.9% 6.0%
NEWS 420 10,698 0.6% 0.4%
COMP 189 1,788 0.2% 0.2%
INS databases 3,456 25,690 5.2% 3.5%
INS 2,231 18,535 3.0% 2.3%
INS90 469 2,465 0.8% 0.5%
INS85 293 1,377 0.6% 0.3%
INS80 239 1,975 0.5% 0.2%
INS69 224 1,338 0.3% 0.2%
MED databases 15,529 285,444 17.0% 15.9%
MED 12,666 261,742 12.4% 13.0%
MED90 1,336 10,880 1.9% 1.4%
MED85 670 6,149 1.2% 0.7%
MED80 376 2,766 0.7% 0.4%
MED75 281 1,352 0.5% 0.3%
MED66 200 2,555 0.4% 0.2%
PSYC 4,768 8,001 3.7% 4.9%
OCLC 9,159 12,030 7.4% 9.4%
RLG 1,168 1,196 1.2% 1.2%
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) 27 20 47
GEOREF (Stanford) 18 88 106
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 94 109 203
Arizona State University 1 1 2
Boston University 0 2 2
California State Library 0 0 0
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 5 10 15
Cambridge University, England 0 0 0
CARL 0 0 0
CARL Uncover 0 21 21
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 1 1
DIALOG 2 22 24
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 1 1 2
Harvard 0 5 5
Library of Congress (LOCIS) 3 5 8
Los Angeles Public Library 0 0 0
National Agricultural Library 1 3 4
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 1 0 1
Northern Regional Lib Facility 102 20 122
New York Public Library 0 1 1
OCEAN Information Center 0 0 0
OCLC Catalog 0 47 47
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 1 1
Rensselaer Polytechnic Institute 0 0 0
RLIN 25 43 68
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 5 37 42
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 84 126 210
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 4 5
UCLA ORION 0 0 0
UCSC CRUZCAT 2 2 4
UCSC INFOSLUG 0 0 0
UCSD ROGER 2 4 6
UCSF Catalog 8 1 9
Univ. of Hawaii 1 0 1
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 1 0 1
Virginia Polytechnic Institute 0 0 0
Weather 1 28 29
WRLC 0 0 0
Yale 1 9 10
Other 2 0 2
_______ ______ _____
Total number of USE commands 388 612 1,000
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 3.2
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.5
1.5 Online Publications
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Current Cites 0
DLA Bulletin 2
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 201
SAVE SET 240
RECALL SET 3
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 2,038
1.7.2 REQUEST Commands
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Number of REQUEST Commands 144
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 4 4
Davis 4 0 4
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 3 3
San Francisco 3 0 3
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 0 0
_______ ______ _____
7 7 14
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 6
CC 6
CCT 0
IAC databases 2
MAGS 0
NEWS 0
COMP 2
MED 2
INS 1
PSYC 0
ABI 0
BIOSIS 2
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 11
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 11/24/00 4,422
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)