MELVYL SYSTEM TELNET STATISTICS
Time period: 07/28/01 through 08/03/01
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 4,811 5,906
Davis 2,933 425 3,358
Irvine 1,406 0 1,406
Los Angeles 50 2,023 2,073
Riverside 614 288 902
San Diego 728 1,169 1,897
San Francisco 1,771 0 1,771
Santa Barbara 320 340 660
Santa Cruz 593 364 957
NRLF 0 0 0
SRLF 0 0 0
LBL 0 236 236
LLL 0 131 131
Los Alamos 0 16 16
Other - UC 26 541 567
CSL 0 116 116
CSU n/a 199 199
Stanford n/a 364 364
Other - Non UC n/a 9,235 9,235
_______ ______ _____
9,536 20,258 29,794
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. 58
2-4 a.m. 10 2-4 p.m. 68
4-6 a.m. 9 4-6 p.m. 45
6-8 a.m. 10 6-8 p.m. 17
8-10 a.m. 40 8-10 p.m. 11
10-12 a.m. 60 10-12 p.m. 11
Maximum of active users in a 2 minute interval:
For MELVYL system on 07/30/01 at 14:13:17 total number of users: 111
For MELVYL MEDLINE on 07/30/01 at 14:13:17 total number of users: 19
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 551.77
For Non-UC users (hrs:mins) 30.57
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,219 15,098 18,317
Davis 9,811 1,523 11,334
Irvine 4,629 0 4,629
Los Angeles 110 5,991 6,101
Riverside 2,691 763 3,454
San Diego 3,165 3,072 6,237
San Francisco 5,620 0 5,620
Santa Barbara 1,068 877 1,945
Santa Cruz 2,652 969 3,621
NRLF 0 0 0
SRLF 0 0 0
LBL 0 599 599
LLL 0 1,016 1,016
Los Alamos 0 38 38
Other - UC 89 1,286 1,375
CSL 0 127 127
CSU n/a 831 831
Stanford n/a 1,137 1,137
Other - Non UC n/a 28,488 28,488
_______ ______ _____
33,054 61,815 94,869
Average number of FIND commands per hour:
12-2 a.m. 76 12-2 p.m. 527
2-4 a.m. 59 2-4 p.m. 682
4-6 a.m. 59 4-6 p.m. 438
6-8 a.m. 109 6-8 p.m. 166
8-10 a.m. 413 8-10 p.m. 89
10-12 a.m. 573 10-12 p.m. 86
Total number of FIND commands 94,869
Peak hourly load of 1,030 FIND commands occurred on 08/01/01 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 24,523 123,934 148,457
Davis 74,235 9,353 83,588
Irvine 35,814 0 35,814
Los Angeles 2,032 57,556 59,588
Riverside 51,846 6,547 58,393
San Diego 18,753 29,701 48,454
San Francisco 50,828 0 50,828
Santa Barbara 9,930 8,042 17,972
Santa Cruz 12,243 10,282 22,525
NRLF 0 0 0
SRLF 0 0 0
LBL 0 5,687 5,687
LLL 0 11,788 11,788
Los Alamos 0 162 162
Other - UC 312 12,410 12,722
CSL 0 1,137 1,137
CSU n/a 8,955 8,955
Stanford n/a 9,956 9,956
Other - Non UC n/a 204,034 204,034
_______ ______ _____
280,516 499,544 780,060
Average number of records displayed per hour:
12-2 a.m. 1,099 12-2 p.m. 9,229
2-4 a.m. 468 2-4 p.m. 11,245
4-6 a.m. 638 4-6 p.m. 7,354
6-8 a.m. 2,007 6-8 p.m. 3,029
8-10 a.m. 6,753 8-10 p.m. 2,048
10-12 a.m. 9,242 10-12 p.m. 1,945
Total number of Records Displayed 780,060
Peak hourly load of 16,107 records displayed occurred on 07/30/01 at 3 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 42,398 290,547 41.2% 44.7%
TEN 0 0 0.0% 0.0%
PE 4,571 37,564 5.4% 4.8%
ABI 480 773 0.6% 0.5%
BIOSIS 2,794 3,179 3.4% 2.9%
CC databases 8,396 71,852 8.8% 8.9%
CC 8,269 66,362 8.5% 8.7%
CCT 127 5,490 0.3% 0.1%
IAC databases 2,716 27,459 3.2% 2.9%
MAGS 2,359 24,335 2.7% 2.5%
NEWS 213 1,142 0.3% 0.2%
COMP 144 1,982 0.2% 0.2%
INS databases 2,663 18,233 4.1% 2.8%
INS 1,947 14,753 2.8% 2.1%
INS90 263 901 0.5% 0.3%
INS85 190 943 0.4% 0.2%
INS80 139 682 0.2% 0.1%
INS69 124 954 0.2% 0.1%
MED databases 16,438 155,546 18.5% 17.3%
MED 13,147 137,790 13.3% 13.9%
MED90 1,625 8,896 2.4% 1.7%
MED85 689 3,380 1.2% 0.7%
MED80 370 2,856 0.7% 0.4%
MED75 306 1,230 0.5% 0.3%
MED66 301 1,394 0.4% 0.3%
PSYC 3,459 5,365 2.9% 3.6%
OCLC 9,958 12,708 10.4% 10.5%
RLG 698 911 1.0% 0.7%
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) 3 20 23
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 85 84 169
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 6 29 35
Cambridge University, England 0 0 0
CARL 0 0 0
CARL Uncover 0 9 9
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 1 34 35
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 0 0
Harvard 0 1 1
Library of Congress (LOCIS) 2 6 8
Los Angeles Public Library 0 1 1
National Agricultural Library 0 0 0
NLM AIDSDBS 0 1 1
NLM Databases (Medlars) 1 0 1
Northern Regional Lib Facility 73 24 97
New York Public Library 0 2 2
OCEAN Information Center 0 0 0
OCLC Catalog 0 79 79
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 43 58 101
San Francisco State University 0 0 0
San Jose State University 0 2 2
Santa Clara University (OSCAR) 0 0 0
Stanford University 4 37 41
SUNY Buffalo (BISON) 0 0 0
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 35 92 127
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 0 4 4
UCLA ORION 0 1 1
UCSC CRUZCAT 0 0 0
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 1 1
UCSF Catalog 0 1 1
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 0 0
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 4 4
WRLC 0 0 0
Yale 6 0 6
Other 1 0 1
_______ ______ _____
Total number of USE commands 260 493 751
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.6
Standard deviation in seconds 3.8
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.0
1.5 Online Publications
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Current Cites 0
DLA Bulletin 1
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 174
SAVE SET 174
RECALL SET 2
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 1,520
1.7.2 REQUEST Commands
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Number of REQUEST Commands 118
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 1 0 1
Irvine 0 0 0
Los Angeles 0 1 1
Riverside 0 0 0
San Diego 0 3 3
San Francisco 0 0 0
Santa Barbara 2 0 2
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
_______ ______ _____
3 5 8
1.7.4 Number of UPDATE commands by Database
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CAT 2
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 3
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 18
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 1
Number of REDO UPDATE commands 0
Total number of UPDATEs on 08/03/01 3,340
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)