MELVYL SYSTEM TELNET STATISTICS
Time period: 08/25/01 through 08/31/01
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 1,095 5,142 6,237
Davis 2,969 417 3,386
Irvine 1,369 0 1,369
Los Angeles 20 2,053 2,073
Riverside 597 219 816
San Diego 755 920 1,675
San Francisco 1,721 0 1,721
Santa Barbara 232 319 551
Santa Cruz 294 355 649
NRLF 0 0 0
SRLF 0 0 0
LBL 0 295 295
LLL 0 130 130
Los Alamos 0 1 1
Other - UC 106 459 565
CSL 0 126 126
CSU n/a 241 241
Stanford n/a 366 366
Other - Non UC n/a 9,532 9,532
_______ ______ _____
9,158 20,575 29,733
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 12 12-2 p.m. 57
2-4 a.m. 12 2-4 p.m. 66
4-6 a.m. 10 4-6 p.m. 44
6-8 a.m. 10 6-8 p.m. 16
8-10 a.m. 42 8-10 p.m. 11
10-12 a.m. 62 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 08/27/01 at 15:44:09 total number of users: 109
For MELVYL MEDLINE on 08/31/01 at 10:51:58 total number of users: 23
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 557.47
For Non-UC users (hrs:mins) 28.67
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2,975 15,652 18,627
Davis 10,001 1,537 11,538
Irvine 4,782 0 4,782
Los Angeles 70 5,486 5,556
Riverside 2,273 722 2,995
San Diego 3,085 2,313 5,398
San Francisco 5,537 0 5,537
Santa Barbara 623 902 1,525
Santa Cruz 1,885 854 2,739
NRLF 0 0 0
SRLF 0 0 0
LBL 0 712 712
LLL 0 867 867
Los Alamos 0 1 1
Other - UC 123 1,245 1,368
CSL 0 239 239
CSU n/a 805 805
Stanford n/a 1,016 1,016
Other - Non UC n/a 27,766 27,766
_______ ______ _____
31,354 60,117 91,471
Average number of FIND commands per hour:
12-2 a.m. 55 12-2 p.m. 511
2-4 a.m. 42 2-4 p.m. 620
4-6 a.m. 31 4-6 p.m. 411
6-8 a.m. 88 6-8 p.m. 127
8-10 a.m. 384 8-10 p.m. 75
10-12 a.m. 547 10-12 p.m. 86
Total number of FIND commands 91,471
Peak hourly load of 979 FIND commands occurred on 08/27/01 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 26,228 144,644 170,872
Davis 79,997 9,724 89,721
Irvine 33,677 0 33,677
Los Angeles 2,296 46,304 48,600
Riverside 15,696 7,085 22,781
San Diego 12,030 21,594 33,624
San Francisco 46,793 0 46,793
Santa Barbara 6,613 13,046 19,659
Santa Cruz 11,374 8,741 20,115
NRLF 0 0 0
SRLF 0 0 0
LBL 0 7,537 7,537
LLL 0 9,974 9,974
Los Alamos 0 2 2
Other - UC 767 9,927 10,694
CSL 0 1,938 1,938
CSU n/a 10,049 10,049
Stanford n/a 7,225 7,225
Other - Non UC n/a 197,042 197,042
_______ ______ _____
235,471 494,832 730,303
Average number of records displayed per hour:
12-2 a.m. 915 12-2 p.m. 9,503
2-4 a.m. 513 2-4 p.m. 10,974
4-6 a.m. 478 4-6 p.m. 7,026
6-8 a.m. 1,691 6-8 p.m. 3,072
8-10 a.m. 6,592 8-10 p.m. 1,529
10-12 a.m. 9,445 10-12 p.m. 1,512
Total number of Records Displayed 730,303
Peak hourly load of 18,369 records displayed occurred on 08/29/01 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 39,748 298,498 40.6% 43.5%
TEN 0 0 0.0% 0.0%
PE 3,818 29,449 4.7% 4.2%
ABI 619 1,034 0.7% 0.7%
BIOSIS 2,891 3,290 3.5% 3.2%
CC databases 7,977 68,134 9.0% 8.7%
CC 7,794 63,243 8.7% 8.5%
CCT 183 4,891 0.3% 0.2%
IAC databases 2,172 28,213 2.9% 2.4%
MAGS 1,881 25,750 2.4% 2.1%
NEWS 194 1,493 0.3% 0.2%
COMP 97 970 0.1% 0.1%
INS databases 3,554 19,657 5.7% 3.9%
INS 2,069 13,778 3.2% 2.3%
INS90 413 1,677 0.8% 0.5%
INS85 412 1,354 0.7% 0.5%
INS80 288 904 0.5% 0.3%
INS69 372 1,944 0.5% 0.4%
MED databases 15,231 136,872 18.1% 16.6%
MED 12,087 120,297 13.1% 13.2%
MED90 1,459 7,927 2.2% 1.6%
MED85 663 3,081 1.2% 0.7%
MED80 463 2,430 0.8% 0.5%
MED75 295 1,805 0.5% 0.3%
MED66 264 1,332 0.3% 0.3%
PSYC 3,370 4,269 2.7% 3.7%
OCLC 10,852 13,746 10.6% 11.9%
RLG 884 1,173 1.0% 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) 0 0 0
GEOREF (Stanford) 0 0 0
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 81 144 225
Arizona State University 0 0 0
Boston University 0 1 1
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 10 7 17
Cambridge University, England 0 1 1
CARL 0 0 0
CARL Uncover 0 2 2
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 1 0 1
Dartmouth College 0 0 0
DIALOG 0 49 49
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 3 4 7
Harvard 1 4 5
Library of Congress (LOCIS) 2 4 6
Los Angeles Public Library 0 0 0
National Agricultural Library 1 3 4
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 46 34 80
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 3 72 75
OCLC EPIC 0 0 0
Oxford University, England 1 0 1
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 62 57 119
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 2 56 58
SUNY Buffalo (BISON) 0 4 4
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 38 100 138
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 4 5
UCLA ORION 0 0 0
UCSC CRUZCAT 0 0 0
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 0 0
UCSF Catalog 5 1 6
Univ. of Hawaii 0 1 1
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 5 5
Virginia Polytechnic Institute 0 0 0
Weather 0 0 0
WRLC 0 0 0
Yale 4 1 5
Other 0 0 0
_______ ______ _____
Total number of USE commands 261 557 818
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 5.9
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 0
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 243
SAVE SET 212
RECALL SET 3
DELETE/CLEAR SET 12
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,103
1.7.2 REQUEST Commands
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Number of REQUEST Commands 90
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 0 0 0
Irvine 0 0 0
Los Angeles 0 2 2
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 0 0
LLL 0 1 1
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 2 2
_______ ______ _____
0 6 6
1.7.4 Number of UPDATE commands by Database
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CAT 2
PE 0
TEN 0
CC databases 1
CC 0
CCT 1
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 2
INS 0
PSYC 1
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 14
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 1
Number of REDO UPDATE commands 1
Total number of UPDATEs on 08/31/01 3,358
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)