MELVYL SYSTEM TELNET STATISTICS
Time period: 02/10/01 through 02/16/01
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 2,153 7,027 9,180
Davis 4,223 459 4,682
Irvine 2,303 0 2,303
Los Angeles 454 2,647 3,101
Riverside 1,154 393 1,547
San Diego 1,174 1,469 2,643
San Francisco 2,325 0 2,325
Santa Barbara 905 741 1,646
Santa Cruz 708 750 1,458
NRLF 0 0 0
SRLF 0 0 0
LBL 0 451 451
LLL 0 235 235
Los Alamos 0 5 5
Other - UC 48 664 712
CSL 0 133 133
CSU n/a 351 351
Stanford n/a 499 499
Other - Non UC n/a 9,948 9,948
_______ ______ _____
15,447 25,772 41,219
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 8 12-2 p.m. 78
2-4 a.m. 8 2-4 p.m. 89
4-6 a.m. 8 4-6 p.m. 64
6-8 a.m. 11 6-8 p.m. 27
8-10 a.m. 49 8-10 p.m. 18
10-12 a.m. 82 10-12 p.m. 14
Maximum of active users in a 2 minute interval:
For MELVYL system on 02/15/01 at 15:28:22 total number of users: 149
For MELVYL MEDLINE on 02/12/01 at 14:48:05 total number of users: 26
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 740.97
For Non-UC users (hrs:mins) 34.80
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 7,086 20,022 27,108
Davis 14,089 1,486 15,575
Irvine 7,606 0 7,606
Los Angeles 1,533 7,746 9,279
Riverside 3,814 1,409 5,223
San Diego 3,516 3,948 7,464
San Francisco 7,032 0 7,032
Santa Barbara 2,630 2,004 4,634
Santa Cruz 2,740 2,481 5,221
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1,015 1,015
LLL 0 1,356 1,356
Los Alamos 0 16 16
Other - UC 67 2,138 2,205
CSL 0 433 433
CSU n/a 1,792 1,792
Stanford n/a 1,519 1,519
Other - Non UC n/a 31,679 31,679
_______ ______ _____
50,113 79,044 129,157
Average number of FIND commands per hour:
12-2 a.m. 73 12-2 p.m. 806
2-4 a.m. 40 2-4 p.m. 965
4-6 a.m. 39 4-6 p.m. 618
6-8 a.m. 92 6-8 p.m. 219
8-10 a.m. 422 8-10 p.m. 137
10-12 a.m. 840 10-12 p.m. 119
Total number of FIND commands 129,157
Peak hourly load of 1,448 FIND commands occurred on 02/13/01 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 61,586 245,675 307,261
Davis 108,409 9,483 117,892
Irvine 59,672 0 59,672
Los Angeles 12,898 82,181 95,079
Riverside 32,848 13,184 46,032
San Diego 22,052 32,372 54,424
San Francisco 77,448 0 77,448
Santa Barbara 22,601 21,312 43,913
Santa Cruz 18,255 19,208 37,463
NRLF 0 0 0
SRLF 0 0 0
LBL 0 12,275 12,275
LLL 0 12,617 12,617
Los Alamos 0 196 196
Other - UC 999 21,861 22,860
CSL 0 3,029 3,029
CSU n/a 18,705 18,705
Stanford n/a 16,306 16,306
Other - Non UC n/a 258,825 258,825
_______ ______ _____
416,768 767,229 1,183,997
Average number of records displayed per hour:
12-2 a.m. 1,314 12-2 p.m. 13,903
2-4 a.m. 1,065 2-4 p.m. 16,775
4-6 a.m. 676 4-6 p.m. 12,524
6-8 a.m. 1,924 6-8 p.m. 5,284
8-10 a.m. 8,023 8-10 p.m. 8,921
10-12 a.m. 16,712 10-12 p.m. 2,613
Total number of Records Displayed 1,183,997
Peak hourly load of 60,355 records displayed occurred on 02/10/01 at 9 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 56,103 432,607 41.0% 43.4%
TEN 0 0 0.0% 0.0%
PE 5,338 57,436 4.1% 4.1%
ABI 823 1,397 0.7% 0.6%
BIOSIS 4,782 5,290 4.0% 3.7%
CC databases 11,131 125,430 9.2% 8.6%
CC 10,913 92,841 8.8% 8.4%
CCT 218 32,589 0.4% 0.2%
IAC databases 5,266 66,777 4.6% 4.1%
MAGS 4,691 61,024 4.0% 3.6%
NEWS 446 4,747 0.5% 0.3%
COMP 129 1,006 0.2% 0.1%
INS databases 4,517 34,539 4.7% 3.5%
INS 3,172 26,000 3.0% 2.5%
INS90 493 3,360 0.7% 0.4%
INS85 385 2,487 0.4% 0.3%
INS80 223 1,126 0.3% 0.2%
INS69 244 1,566 0.3% 0.2%
MED databases 21,465 201,512 18.4% 16.6%
MED 16,881 177,913 12.9% 13.1%
MED90 2,073 12,008 2.4% 1.6%
MED85 1,048 4,941 1.3% 0.8%
MED80 625 2,753 0.8% 0.5%
MED75 453 2,001 0.6% 0.4%
MED66 385 1,896 0.4% 0.3%
PSYC 5,985 8,209 3.5% 4.6%
OCLC 12,112 17,080 8.3% 9.4%
RLG 1,196 1,391 1.1% 0.9%
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) 16 71 87
GEOREF (Stanford) 33 204 237
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 122 228 350
Arizona State University 5 1 6
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 7 13
Cambridge University, England 1 1 2
CARL 0 0 0
CARL Uncover 1 14 15
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 2 0 2
Dartmouth College 0 3 3
DIALOG 2 32 34
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 2 6 8
Harvard 1 2 3
Library of Congress (LOCIS) 2 15 17
Los Angeles Public Library 0 0 0
National Agricultural Library 0 1 1
NLM AIDSDBS 0 3 3
NLM Databases (Medlars) 4 3 7
Northern Regional Lib Facility 91 20 111
New York Public Library 0 4 4
OCEAN Information Center 0 0 0
OCLC Catalog 2 56 58
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 4 4
Rensselaer Polytechnic Institute 0 0 0
RLIN 31 91 122
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 8 51 59
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 75 184 259
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 2 2 4
UCLA ORION 1 0 1
UCSC CRUZCAT 1 1 2
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 4 4
UCSF Catalog 13 0 13
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 1 1
Virginia Polytechnic Institute 0 0 0
Weather 2 9 11
WRLC 0 0 0
Yale 0 19 19
Other 1 0 1
_______ ______ _____
Total number of USE commands 424 1,039 1,463
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 2.8
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.4
1.5 Online Publications
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Current Cites 1
DLA Bulletin 1
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 250
SAVE SET 283
RECALL SET 5
DELETE/CLEAR SET 5
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 2,120
1.7.2 REQUEST Commands
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Number of REQUEST Commands 207
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 1 0 1
Irvine 0 0 0
Los Angeles 0 3 3
Riverside 0 0 0
San Diego 0 2 2
San Francisco 11 0 11
Santa Barbara 1 0 1
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 2 2
Los Alamos 0 0 0
Other - UC 0 1 1
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 0 0
Other - Non UC n/a 1 1
_______ ______ _____
13 9 22
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 3
CC 3
CCT 0
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 12
INS 0
PSYC 4
ABI 0
BIOSIS 1
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 38
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 2
Number of REDO UPDATE commands 0
Total number of UPDATEs on 02/16/01 3,819
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)