MELVYL SYSTEM TELNET STATISTICS
Time period: 01/01/00 through 01/31/00
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 10,133 32,202 42,335
Davis 26,435 4,174 30,609
Irvine 16,144 0 16,144
Los Angeles 8,453 18,880 27,333
Riverside 6,637 2,704 9,341
San Diego 5,613 9,486 15,099
San Francisco 16,333 0 16,333
Santa Barbara 5,624 5,731 11,355
Santa Cruz 6,278 6,266 12,544
NRLF 0 0 0
SRLF 23 0 23
LBL 0 2,328 2,328
LLL 0 2,671 2,671
Los Alamos 0 131 131
Other - UC 812 2,801 3,613
CSL 0 823 823
CSU n/a 1,402 1,402
Stanford n/a 3,926 3,926
Other - Non UC n/a 47,471 47,471
_______ ______ _____
102,485 140,996 243,481
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. 106
2-4 a.m. 10 2-4 p.m. 124
4-6 a.m. 8 4-6 p.m. 85
6-8 a.m. 14 6-8 p.m. 35
8-10 a.m. 59 8-10 p.m. 24
10-12 a.m. 106 10-12 p.m. 18
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 5486.97
For Non-UC users (hrs:mins) 353.00
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 31,770 96,491 128,261
Davis 89,639 15,613 105,252
Irvine 49,133 0 49,133
Los Angeles 28,103 55,216 83,319
Riverside 23,509 7,563 31,072
San Diego 17,297 23,793 41,090
San Francisco 48,166 0 48,166
Santa Barbara 21,453 16,667 38,120
Santa Cruz 23,675 27,328 51,003
NRLF 0 0 0
SRLF 25 0 25
LBL 0 6,319 6,319
LLL 0 9,529 9,529
Los Alamos 0 312 312
Other - UC 870 23,481 24,351
CSL 0 1,930 1,930
CSU n/a 6,544 6,544
Stanford n/a 11,146 11,146
Other - Non UC n/a 172,194 172,194
_______ ______ _____
333,640 474,126 807,766
Average number of FIND commands per hour:
12-2 a.m. 144 12-2 p.m. 1,178
2-4 a.m. 100 2-4 p.m. 1,376
4-6 a.m. 77 4-6 p.m. 889
6-8 a.m. 161 6-8 p.m. 371
8-10 a.m. 669 8-10 p.m. 281
10-12 a.m. 1,189 10-12 p.m. 221
Total number of FIND commands 807,766
Peak hourly load of 2,377 FIND commands occurred on 01/18/00 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 290,595 947,030 1,237,625
Davis 889,132 97,344 986,476
Irvine 452,076 0 452,076
Los Angeles 243,848 618,915 862,763
Riverside 178,147 74,451 252,598
San Diego 116,288 234,804 351,092
San Francisco 463,988 0 463,988
Santa Barbara 196,766 190,165 386,931
Santa Cruz 149,169 183,273 332,442
NRLF 0 0 0
SRLF 113 0 113
LBL 0 68,316 68,316
LLL 0 88,460 88,460
Los Alamos 0 1,723 1,723
Other - UC 7,797 92,562 100,359
CSL 0 10,584 10,584
CSU n/a 59,205 59,205
Stanford n/a 110,507 110,507
Other - Non UC n/a 1,368,078 1,368,078
_______ ______ _____
2,987,919 4,145,417 7,133,336
Average number of records displayed per hour:
12-2 a.m. 1,880 12-2 p.m. 21,328
2-4 a.m. 1,773 2-4 p.m. 24,351
4-6 a.m. 1,181 4-6 p.m. 17,186
6-8 a.m. 3,100 6-8 p.m. 7,661
8-10 a.m. 12,195 8-10 p.m. 5,233
10-12 a.m. 21,022 10-12 p.m. 3,487
Total number of Records Displayed 7,133,336
Peak hourly load of 41,840 records displayed occurred on 01/27/00 at 11 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 361,800 2,664,615 40.4% 44.8%
TEN 0 0 0.0% 0.0%
PE 23,091 196,268 3.0% 2.9%
ABI 5,477 10,060 0.8% 0.7%
BIOSIS 29,218 35,575 3.6% 3.6%
CC databases 74,825 758,531 10.1% 9.3%
CC 73,243 703,653 9.6% 9.1%
CCT 1,582 54,878 0.5% 0.2%
IAC databases 43,397 470,965 5.8% 5.4%
MAGS 38,897 437,760 5.1% 4.8%
NEWS 3,022 19,809 0.5% 0.4%
COMP 1,478 13,396 0.2% 0.2%
INS databases 26,430 217,742 4.9% 3.3%
INS 18,495 157,852 3.1% 2.3%
INS90 2,913 19,962 0.7% 0.4%
INS85 2,011 16,116 0.5% 0.2%
INS80 1,446 11,400 0.3% 0.2%
INS69 1,565 12,412 0.3% 0.2%
MED databases 150,904 1,628,451 21.6% 18.7%
MED 118,174 1,356,517 15.1% 14.6%
MED90 15,823 142,754 3.0% 2.0%
MED85 7,536 72,688 1.6% 0.9%
MED80 4,426 27,767 1.0% 0.5%
MED75 2,658 15,904 0.6% 0.3%
MED66 2,287 12,821 0.4% 0.3%
PSYC 31,447 49,676 3.1% 3.9%
OCLC 50,713 58,559 5.3% 6.3%
RLG 7,847 8,273 0.9% 1.0%
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) 301 175 476
GEOREF (Stanford) 243 790 1,033
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 508 430 938
Arizona State University 4 9 13
Boston University 1 11 12
California State Library 7 18 25
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 2 2
Cal State Univ., Hayward 31 57 88
Cambridge University, England 2 11 13
CARL 3 12 15
CARL Uncover 29 104 133
Chicano/Latino Net Gopher 0 0 0
Claremont College 1 2 3
Cleveland Free-Net 10 3 13
Dartmouth College 5 6 11
DIALOG 12 134 146
DRA LC 51 3 54
Earthquake Engineering Abstracts 0 0 0
FS INFO 9 29 38
Harvard 15 67 82
Library of Congress (LOCIS) 31 128 159
Los Angeles Public Library 16 24 40
National Agricultural Library 19 24 43
NLM AIDSDBS 8 7 15
NLM Databases (Medlars) 28 90 118
Northern Regional Lib Facility 560 196 756
New York Public Library 1 36 37
OCEAN Information Center 0 0 0
OCLC Catalog 19 379 398
OCLC EPIC 0 0 0
Oxford University, England 2 61 63
Princeton 1 3 4
Rensselaer Polytechnic Institute 0 0 0
RLIN 317 295 612
San Francisco State University 7 1 8
San Jose State University 3 15 18
Santa Clara University (OSCAR) 1 3 4
Stanford University 41 486 527
SUNY Buffalo (BISON) 6 6 12
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 444 927 1,371
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 40 37 77
UCLA ORION 16 29 45
UCSC CRUZCAT 32 68 100
UCSC INFOSLUG 0 0 0
UCSD ROGER 39 52 91
UCSF Catalog 280 12 292
Univ. of Hawaii 1 3 4
Univ. of Tennessee 2 0 2
Univ. of Michigan 1 19 20
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 4 25 29
Virginia Polytechnic Institute 0 0 0
Weather 25 38 63
WRLC 0 1 1
Yale 54 13 67
Other 28 18 46
_______ ______ _____
Total number of USE commands 3,258 4,859 8,099
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 1.0
Standard deviation in seconds 4.7
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.8
1.5 Online Publications
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Current Cites 0
DLA Bulletin 4
Mynd of MELVYL 1
1.6 Search SET commands
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FIND SET 1,215
SAVE SET 1,556
RECALL SET 46
DELETE/CLEAR SET 58
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 15,235
1.7.2 REQUEST Commands
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Number of REQUEST Commands 1,859
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 25 26
Davis 30 0 30
Irvine 6 0 6
Los Angeles 1 2 3
Riverside 4 3 7
San Diego 1 0 1
San Francisco 8 0 8
Santa Barbara 4 1 5
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 11 11
Los Alamos 0 0 0
Other - UC 1 0 1
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 0 0
Other - Non UC n/a 12 12
_______ ______ _____
56 54 110
1.7.4 Number of UPDATE commands by Database
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CAT 16
PE 2
TEN 0
CC databases 23
CC 20
CCT 3
IAC databases 11
MAGS 8
NEWS 3
COMP 0
MED 21
INS 1
PSYC 0
ABI 7
BIOSIS 28
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 233
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 19
Number of REDO UPDATE commands 0
Total number of UPDATEs on 01/31/00 5,707
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)