MELVYL SYSTEM TELNET STATISTICS
Time period: 11/11/00 through 11/17/00
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 2,823 7,076 9,899
Davis 4,789 666 5,455
Irvine 2,333 0 2,333
Los Angeles 667 2,989 3,656
Riverside 1,141 412 1,553
San Diego 1,018 1,439 2,457
San Francisco 2,645 0 2,645
Santa Barbara 1,096 779 1,875
Santa Cruz 922 605 1,527
NRLF 0 0 0
SRLF 1 0 1
LBL 0 441 441
LLL 0 265 265
Los Alamos 0 5 5
Other - UC 60 792 852
CSL 0 213 213
CSU n/a 271 271
Stanford n/a 470 470
Other - Non UC n/a 9,001 9,001
_______ ______ _____
17,495 25,424 42,919
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 10 12-2 p.m. 88
2-4 a.m. 11 2-4 p.m. 101
4-6 a.m. 9 4-6 p.m. 68
6-8 a.m. 11 6-8 p.m. 29
8-10 a.m. 50 8-10 p.m. 20
10-12 a.m. 91 10-12 p.m. 15
Maximum of active users in a 2 minute interval:
For MELVYL system on 11/13/00 at 14:18:51 total number of users: 161
For MELVYL MEDLINE on 11/15/00 at 11:41:48 total number of users: 27
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 854.30
For Non-UC users (hrs:mins) 34.13
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 8,788 21,273 30,061
Davis 15,019 2,268 17,287
Irvine 7,030 0 7,030
Los Angeles 2,216 8,345 10,561
Riverside 3,662 1,106 4,768
San Diego 2,922 4,141 7,063
San Francisco 7,825 0 7,825
Santa Barbara 4,483 2,076 6,559
Santa Cruz 3,289 1,546 4,835
NRLF 0 0 0
SRLF 1 0 1
LBL 0 1,134 1,134
LLL 0 1,215 1,215
Los Alamos 0 7 7
Other - UC 92 2,777 2,869
CSL 0 284 284
CSU n/a 1,656 1,656
Stanford n/a 1,137 1,137
Other - Non UC n/a 29,341 29,341
_______ ______ _____
55,327 78,306 133,633
Average number of FIND commands per hour:
12-2 a.m. 80 12-2 p.m. 808
2-4 a.m. 46 2-4 p.m. 957
4-6 a.m. 42 4-6 p.m. 628
6-8 a.m. 111 6-8 p.m. 254
8-10 a.m. 443 8-10 p.m. 155
10-12 a.m. 870 10-12 p.m. 112
Total number of FIND commands 133,633
Peak hourly load of 1,409 FIND commands occurred on 11/14/00 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 83,147 197,476 280,623
Davis 122,703 12,964 135,667
Irvine 70,325 0 70,325
Los Angeles 32,735 76,256 108,991
Riverside 25,418 10,432 35,850
San Diego 18,526 43,034 61,560
San Francisco 88,627 0 88,627
Santa Barbara 35,983 22,168 58,151
Santa Cruz 21,289 13,541 34,830
NRLF 0 0 0
SRLF 10 0 10
LBL 0 13,115 13,115
LLL 0 9,789 9,789
Los Alamos 0 13 13
Other - UC 509 26,413 26,922
CSL 0 2,929 2,929
CSU n/a 18,739 18,739
Stanford n/a 12,591 12,591
Other - Non UC n/a 253,313 253,313
_______ ______ _____
499,272 712,773 1,212,045
Average number of records displayed per hour:
12-2 a.m. 1,184 12-2 p.m. 16,753
2-4 a.m. 933 2-4 p.m. 18,965
4-6 a.m. 629 4-6 p.m. 13,183
6-8 a.m. 1,847 6-8 p.m. 6,087
8-10 a.m. 8,206 8-10 p.m. 3,876
10-12 a.m. 15,966 10-12 p.m. 2,404
Total number of Records Displayed 1,212,045
Peak hourly load of 26,904 records displayed occurred on 11/15/00 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 57,366 445,764 41.0% 42.9%
TEN 0 0 0.0% 0.0%
PE 5,388 54,541 3.5% 4.0%
ABI 976 1,966 0.7% 0.7%
BIOSIS 5,510 6,635 4.0% 4.1%
CC databases 11,071 114,102 9.3% 8.3%
CC 10,840 105,773 8.8% 8.1%
CCT 231 8,329 0.5% 0.2%
IAC databases 8,575 101,811 6.6% 6.4%
MAGS 7,760 93,038 5.8% 5.8%
NEWS 657 7,336 0.6% 0.5%
COMP 158 1,437 0.2% 0.1%
INS databases 4,239 40,060 4.4% 3.2%
INS 2,961 29,334 2.8% 2.2%
INS90 554 4,020 0.6% 0.4%
INS85 275 2,434 0.4% 0.2%
INS80 196 1,752 0.3% 0.1%
INS69 253 2,520 0.2% 0.2%
MED databases 22,044 222,661 17.9% 16.5%
MED 17,660 200,379 12.8% 13.2%
MED90 1,972 11,100 2.2% 1.5%
MED85 1,002 4,535 1.2% 0.7%
MED80 669 2,998 0.8% 0.5%
MED75 407 1,761 0.5% 0.3%
MED66 334 1,888 0.4% 0.2%
PSYC 6,132 9,433 3.5% 4.6%
OCLC 10,459 14,262 7.5% 7.8%
RLG 1,478 1,589 1.2% 1.1%
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) 34 28 62
GEOREF (Stanford) 32 85 117
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 97 135 232
Arizona State University 0 0 0
Boston University 0 1 1
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 4 10 14
Cambridge University, England 1 1 2
CARL 0 1 1
CARL Uncover 7 13 20
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 1 0 1
Dartmouth College 0 4 4
DIALOG 1 30 31
DRA LC 0 1 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 1 9 10
Harvard 1 10 11
Library of Congress (LOCIS) 1 4 5
Los Angeles Public Library 0 0 0
National Agricultural Library 3 6 9
NLM AIDSDBS 3 6 9
NLM Databases (Medlars) 0 3 3
Northern Regional Lib Facility 180 34 214
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 7 87 94
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 1 4 5
Rensselaer Polytechnic Institute 0 0 0
RLIN 43 65 108
San Francisco State University 0 0 0
San Jose State University 1 0 1
Santa Clara University (OSCAR) 0 0 0
Stanford University 6 50 56
SUNY Buffalo (BISON) 1 1 2
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 107 165 272
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 7 1 8
UCLA ORION 0 2 2
UCSC CRUZCAT 0 2 2
UCSC INFOSLUG 0 0 0
UCSD ROGER 2 1 3
UCSF Catalog 10 4 14
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 5 5
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 0 0
Virginia Polytechnic Institute 0 0 0
Weather 0 0 0
WRLC 0 0 0
Yale 0 16 16
Other 0 2 2
_______ ______ _____
Total number of USE commands 551 786 1,336
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.8
Standard deviation in seconds 3.0
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.6
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 226
SAVE SET 309
RECALL SET 9
DELETE/CLEAR SET 2
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 2,351
1.7.2 REQUEST Commands
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Number of REQUEST Commands 188
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 1 1
Davis 3 0 3
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 1 1
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 2 2
LLL 0 3 3
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
_______ ______ _____
3 7 10
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 6
CC 3
CCT 3
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 0
INS 0
PSYC 0
ABI 0
BIOSIS 3
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 22
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 11/17/00 4,667
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)