MELVYL SYSTEM TELNET STATISTICS
Time period: 04/07/01 through 04/13/01
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 2,384 6,440 8,824
Davis 4,336 408 4,744
Irvine 1,913 0 1,913
Los Angeles 90 2,827 2,917
Riverside 854 431 1,285
San Diego 893 1,173 2,066
San Francisco 2,279 0 2,279
Santa Barbara 406 571 977
Santa Cruz 676 491 1,167
NRLF 0 0 0
SRLF 0 0 0
LBL 0 276 276
LLL 0 229 229
Los Alamos 0 4 4
Other - UC 153 729 882
CSL 0 159 159
CSU n/a 258 258
Stanford n/a 382 382
Other - Non UC n/a 8,875 8,875
_______ ______ _____
13,984 23,253 37,237
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. 73
2-4 a.m. 11 2-4 p.m. 82
4-6 a.m. 10 4-6 p.m. 60
6-8 a.m. 11 6-8 p.m. 26
8-10 a.m. 47 8-10 p.m. 17
10-12 a.m. 77 10-12 p.m. 14
Maximum of active users in a 2 minute interval:
For MELVYL system on 04/10/01 at 14:26:09 total number of users: 137
For MELVYL MEDLINE on 04/09/01 at 14:33:58 total number of users: 23
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 725.73
For Non-UC users (hrs:mins) 33.87
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 7,555 18,572 26,127
Davis 15,893 1,418 17,311
Irvine 5,635 0 5,635
Los Angeles 346 7,586 7,932
Riverside 3,229 1,136 4,365
San Diego 2,438 3,113 5,551
San Francisco 7,543 0 7,543
Santa Barbara 1,474 1,871 3,345
Santa Cruz 2,461 1,504 3,965
NRLF 0 0 0
SRLF 0 0 0
LBL 0 719 719
LLL 0 1,246 1,246
Los Alamos 0 11 11
Other - UC 264 2,120 2,384
CSL 0 278 278
CSU n/a 1,679 1,679
Stanford n/a 1,139 1,139
Other - Non UC n/a 29,607 29,607
_______ ______ _____
46,838 71,999 118,837
Average number of FIND commands per hour:
12-2 a.m. 64 12-2 p.m. 728
2-4 a.m. 42 2-4 p.m. 791
4-6 a.m. 76 4-6 p.m. 531
6-8 a.m. 115 6-8 p.m. 214
8-10 a.m. 431 8-10 p.m. 173
10-12 a.m. 730 10-12 p.m. 116
Total number of FIND commands 118,837
Peak hourly load of 1,289 FIND commands occurred on 04/10/01 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 67,042 170,724 237,766
Davis 119,486 7,511 126,997
Irvine 47,225 0 47,225
Los Angeles 3,086 73,329 76,415
Riverside 23,755 10,993 34,748
San Diego 16,664 27,228 43,892
San Francisco 79,103 0 79,103
Santa Barbara 11,833 23,712 35,545
Santa Cruz 13,133 12,183 25,316
NRLF 0 0 0
SRLF 0 0 0
LBL 0 7,998 7,998
LLL 0 11,366 11,366
Los Alamos 0 47 47
Other - UC 2,176 20,410 22,586
CSL 0 2,588 2,588
CSU n/a 15,144 15,144
Stanford n/a 10,620 10,620
Other - Non UC n/a 272,319 272,319
_______ ______ _____
383,503 666,172 1,049,675
Average number of records displayed per hour:
12-2 a.m. 1,020 12-2 p.m. 12,978
2-4 a.m. 901 2-4 p.m. 14,766
4-6 a.m. 1,037 4-6 p.m. 10,623
6-8 a.m. 2,240 6-8 p.m. 5,167
8-10 a.m. 7,510 8-10 p.m. 3,277
10-12 a.m. 13,211 10-12 p.m. 3,314
Total number of Records Displayed 1,049,675
Peak hourly load of 22,015 records displayed occurred on 04/10/01 at 1 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 53,117 419,235 41.5% 44.7%
TEN 0 0 0.0% 0.0%
PE 4,944 47,216 4.1% 4.2%
ABI 766 1,299 0.7% 0.6%
BIOSIS 4,103 5,780 3.6% 3.5%
CC databases 9,728 90,639 8.8% 8.2%
CC 9,560 85,412 8.5% 8.0%
CCT 168 5,227 0.4% 0.1%
IAC databases 5,114 58,472 4.9% 4.3%
MAGS 4,604 53,257 4.3% 3.9%
NEWS 376 3,172 0.5% 0.3%
COMP 134 2,043 0.2% 0.1%
INS databases 3,907 31,729 4.8% 3.3%
INS 2,504 24,148 2.8% 2.1%
INS90 544 3,526 0.8% 0.5%
INS85 264 1,043 0.4% 0.2%
INS80 281 1,492 0.4% 0.2%
INS69 314 1,520 0.3% 0.3%
MED databases 19,208 202,321 18.1% 16.2%
MED 15,532 177,515 13.4% 13.1%
MED90 1,682 12,435 2.0% 1.4%
MED85 848 4,977 1.1% 0.7%
MED80 523 3,041 0.8% 0.4%
MED75 326 2,156 0.5% 0.3%
MED66 297 2,197 0.4% 0.2%
PSYC 5,029 7,026 3.2% 4.2%
OCLC 11,141 14,849 8.7% 9.4%
RLG 1,430 1,549 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) 17 13 30
GEOREF (Stanford) 12 85 97
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 131 118 249
Arizona State University 0 2 2
Boston University 0 0 0
California State Library 1 0 1
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 5 12 17
Cambridge University, England 0 0 0
CARL 0 1 1
CARL Uncover 6 8 14
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 1 1
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 5 31 36
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 5 3 8
Harvard 1 2 3
Library of Congress (LOCIS) 1 6 7
Los Angeles Public Library 1 2 3
National Agricultural Library 3 0 3
NLM AIDSDBS 2 1 3
NLM Databases (Medlars) 1 1 2
Northern Regional Lib Facility 61 35 96
New York Public Library 0 1 1
OCEAN Information Center 0 0 0
OCLC Catalog 6 63 69
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 34 99 133
San Francisco State University 0 0 0
San Jose State University 0 2 2
Santa Clara University (OSCAR) 0 0 0
Stanford University 4 40 44
SUNY Buffalo (BISON) 3 4 7
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 87 161 248
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 0 1
UCLA ORION 1 0 1
UCSC CRUZCAT 1 1 2
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 1 1
UCSF Catalog 12 1 13
Univ. of Hawaii 0 0 0
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 0 2 2
Virginia Polytechnic Institute 0 0 0
Weather 1 0 1
WRLC 0 0 0
Yale 3 3 6
Other 2 0 2
_______ ______ _____
Total number of USE commands 407 700 1,105
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 4.0
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 3.8
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 182
SAVE SET 175
RECALL SET 17
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 1,891
1.7.2 REQUEST Commands
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Number of REQUEST Commands 132
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 2 2
Davis 0 0 0
Irvine 0 0 0
Los Angeles 0 1 1
Riverside 0 0 0
San Diego 0 0 0
San Francisco 0 0 0
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
_______ ______ _____
0 3 3
1.7.4 Number of UPDATE commands by Database
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CAT 0
PE 0
TEN 0
CC databases 2
CC 2
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
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 8
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 04/13/01 3,575
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)