MELVYL SYSTEM TELNET STATISTICS
Time period: 03/10/01 through 03/16/01
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 2,183 6,871 9,054
Davis 4,715 562 5,277
Irvine 2,172 0 2,172
Los Angeles 525 2,509 3,034
Riverside 1,216 463 1,679
San Diego 940 1,655 2,595
San Francisco 2,188 0 2,188
Santa Barbara 571 545 1,116
Santa Cruz 584 770 1,354
NRLF 0 0 0
SRLF 4 0 4
LBL 0 378 378
LLL 0 207 207
Los Alamos 0 17 17
Other - UC 43 622 665
CSL 0 198 198
CSU n/a 358 358
Stanford n/a 409 409
Other - Non UC n/a 10,087 10,087
_______ ______ _____
15,141 25,651 40,792
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 9 12-2 p.m. 77
2-4 a.m. 9 2-4 p.m. 88
4-6 a.m. 9 4-6 p.m. 61
6-8 a.m. 13 6-8 p.m. 27
8-10 a.m. 50 8-10 p.m. 20
10-12 a.m. 82 10-12 p.m. 14
Maximum of active users in a 2 minute interval:
For MELVYL system on 03/14/01 at 11:48:44 total number of users: 149
For MELVYL MEDLINE on 03/12/01 at 10:48:34 total number of users: 23
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 686.80
For Non-UC users (hrs:mins) 33.57
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 6,409 19,670 26,079
Davis 14,709 1,709 16,418
Irvine 7,311 0 7,311
Los Angeles 1,479 7,117 8,596
Riverside 4,129 1,457 5,586
San Diego 2,810 4,210 7,020
San Francisco 6,453 0 6,453
Santa Barbara 1,330 1,556 2,886
Santa Cruz 2,465 3,455 5,920
NRLF 0 0 0
SRLF 5 0 5
LBL 0 842 842
LLL 0 771 771
Los Alamos 0 36 36
Other - UC 60 1,655 1,715
CSL 0 452 452
CSU n/a 1,637 1,637
Stanford n/a 1,098 1,098
Other - Non UC n/a 33,662 33,662
_______ ______ _____
47,160 79,327 126,487
Average number of FIND commands per hour:
12-2 a.m. 59 12-2 p.m. 713
2-4 a.m. 51 2-4 p.m. 868
4-6 a.m. 58 4-6 p.m. 614
6-8 a.m. 120 6-8 p.m. 277
8-10 a.m. 410 8-10 p.m. 204
10-12 a.m. 728 10-12 p.m. 132
Total number of FIND commands 126,487
Peak hourly load of 1,211 FIND commands occurred on 03/13/01 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 53,885 169,647 223,532
Davis 106,920 11,635 118,555
Irvine 51,330 0 51,330
Los Angeles 17,265 73,021 90,286
Riverside 32,585 11,872 44,457
San Diego 16,847 54,388 71,235
San Francisco 58,471 0 58,471
Santa Barbara 10,566 17,216 27,782
Santa Cruz 16,211 19,046 35,257
NRLF 0 0 0
SRLF 19 0 19
LBL 0 7,735 7,735
LLL 0 7,589 7,589
Los Alamos 0 183 183
Other - UC 320 15,531 15,851
CSL 0 3,523 3,523
CSU n/a 17,205 17,205
Stanford n/a 11,483 11,483
Other - Non UC n/a 258,157 258,157
_______ ______ _____
364,419 678,231 1,042,650
Average number of records displayed per hour:
12-2 a.m. 2,281 12-2 p.m. 13,245
2-4 a.m. 807 2-4 p.m. 14,400
4-6 a.m. 698 4-6 p.m. 10,426
6-8 a.m. 1,900 6-8 p.m. 5,138
8-10 a.m. 7,623 8-10 p.m. 4,588
10-12 a.m. 13,543 10-12 p.m. 2,494
Total number of Records Displayed 1,042,650
Peak hourly load of 22,641 records displayed occurred on 03/13/01 at 2 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 55,707 385,784 41.5% 44.0%
TEN 0 0 0.0% 0.0%
PE 5,848 45,986 4.2% 4.6%
ABI 873 1,914 0.7% 0.7%
BIOSIS 4,629 6,216 3.8% 3.7%
CC databases 10,819 98,680 9.4% 8.6%
CC 10,608 91,416 9.0% 8.4%
CCT 211 7,264 0.4% 0.2%
IAC databases 6,233 84,659 5.4% 4.9%
MAGS 5,665 61,174 4.7% 4.5%
NEWS 422 3,998 0.5% 0.3%
COMP 146 19,487 0.2% 0.1%
INS databases 3,921 26,764 4.2% 3.1%
INS 2,737 20,435 2.7% 2.2%
INS90 480 2,409 0.6% 0.4%
INS85 281 1,432 0.4% 0.2%
INS80 225 1,068 0.3% 0.2%
INS69 198 1,420 0.2% 0.2%
MED databases 19,181 178,763 17.1% 15.2%
MED 15,080 154,804 12.3% 11.9%
MED90 1,783 10,887 2.1% 1.4%
MED85 1,074 6,361 1.2% 0.8%
MED80 591 3,183 0.7% 0.5%
MED75 367 2,340 0.4% 0.3%
MED66 286 1,188 0.3% 0.2%
PSYC 5,001 7,167 3.4% 4.0%
OCLC 12,434 17,202 8.9% 9.8%
RLG 1,509 1,686 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) 24 47 71
GEOREF (Stanford) 27 115 142
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 64 101 165
Arizona State University 0 5 5
Boston University 0 0 0
California State Library 2 3 5
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 2 2
Cal State Univ., Hayward 9 17 26
Cambridge University, England 0 0 0
CARL 1 1 2
CARL Uncover 1 8 9
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 1 0 1
Dartmouth College 0 1 1
DIALOG 1 39 40
DRA LC 0 1 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 2 1 3
Harvard 0 3 3
Library of Congress (LOCIS) 4 8 12
Los Angeles Public Library 0 4 4
National Agricultural Library 4 3 7
NLM AIDSDBS 1 3 4
NLM Databases (Medlars) 3 0 3
Northern Regional Lib Facility 84 23 107
New York Public Library 0 2 2
OCEAN Information Center 0 0 0
OCLC Catalog 1 77 78
OCLC EPIC 0 0 0
Oxford University, England 0 1 1
Princeton 0 1 1
Rensselaer Polytechnic Institute 0 0 0
RLIN 55 108 163
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 3 50 53
SUNY Buffalo (BISON) 2 1 3
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 73 126 199
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 0 0 0
UCLA ORION 0 2 2
UCSC CRUZCAT 3 6 9
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 3 3
UCSF Catalog 8 1 9
Univ. of Hawaii 0 1 1
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 0 2 2
Virginia Polytechnic Institute 0 1 1
Weather 0 23 23
WRLC 0 0 0
Yale 10 6 16
Other 0 1 1
_______ ______ _____
Total number of USE commands 383 799 1,182
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 0.9
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 291
SAVE SET 309
RECALL SET 15
DELETE/CLEAR SET 10
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 2,249
1.7.2 REQUEST Commands
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Number of REQUEST Commands 197
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 0 1
Davis 0 0 0
Irvine 0 0 0
Los Angeles 0 5 5
Riverside 0 0 0
San Diego 0 0 0
San Francisco 1 0 1
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 1 1
Stanford n/a 0 0
Other - Non UC n/a 0 0
_______ ______ _____
2 6 8
1.7.4 Number of UPDATE commands by Database
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CAT 3
PE 0
TEN 0
CC databases 0
CC 0
CCT 0
IAC databases 4
MAGS 1
NEWS 0
COMP 3
MED 1
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 17
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 03/16/01 3,660
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)