MELVYL SYSTEM TELNET STATISTICS
Time period: 09/22/01 through 09/28/01
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 1,333 5,360 6,693
Davis 3,469 375 3,844
Irvine 1,669 0 1,669
Los Angeles 57 1,972 2,029
Riverside 685 296 981
San Diego 647 1,096 1,743
San Francisco 1,550 0 1,550
Santa Barbara 310 403 713
Santa Cruz 332 274 606
NRLF 0 0 0
SRLF 0 0 0
LBL 0 270 270
LLL 0 148 148
Los Alamos 0 15 15
Other - UC 79 490 569
CSL 0 146 146
CSU n/a 270 270
Stanford n/a 170 170
Other - Non UC n/a 9,163 9,163
_______ ______ _____
10,131 20,448 30,579
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. 62
2-4 a.m. 13 2-4 p.m. 73
4-6 a.m. 11 4-6 p.m. 49
6-8 a.m. 10 6-8 p.m. 18
8-10 a.m. 41 8-10 p.m. 12
10-12 a.m. 65 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 09/24/01 at 15:08:26 total number of users: 127
For MELVYL MEDLINE on 09/24/01 at 15:10:26 total number of users: 26
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 569.73
For Non-UC users (hrs:mins) 15.50
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,552 16,016 19,568
Davis 11,168 1,220 12,388
Irvine 4,839 0 4,839
Los Angeles 192 5,507 5,699
Riverside 2,558 945 3,503
San Diego 2,399 3,104 5,503
San Francisco 4,432 0 4,432
Santa Barbara 1,021 1,216 2,237
Santa Cruz 3,087 809 3,896
NRLF 0 0 0
SRLF 0 0 0
LBL 0 584 584
LLL 0 390 390
Los Alamos 0 45 45
Other - UC 100 1,547 1,647
CSL 0 191 191
CSU n/a 1,213 1,213
Stanford n/a 428 428
Other - Non UC n/a 27,591 27,591
_______ ______ _____
33,348 60,806 94,154
Average number of FIND commands per hour:
12-2 a.m. 58 12-2 p.m. 572
2-4 a.m. 45 2-4 p.m. 733
4-6 a.m. 39 4-6 p.m. 426
6-8 a.m. 96 6-8 p.m. 141
8-10 a.m. 378 8-10 p.m. 97
10-12 a.m. 617 10-12 p.m. 74
Total number of FIND commands 94,154
Peak hourly load of 1,122 FIND commands occurred on 09/24/01 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 30,905 133,553 164,458
Davis 70,128 5,193 75,321
Irvine 44,307 0 44,307
Los Angeles 1,936 46,933 48,869
Riverside 18,961 7,928 26,889
San Diego 10,287 34,396 44,683
San Francisco 47,571 0 47,571
Santa Barbara 8,486 10,394 18,880
Santa Cruz 9,878 8,431 18,309
NRLF 0 0 0
SRLF 0 0 0
LBL 0 6,089 6,089
LLL 0 4,619 4,619
Los Alamos 0 709 709
Other - UC 1,481 14,162 15,643
CSL 0 1,325 1,325
CSU n/a 11,293 11,293
Stanford n/a 2,553 2,553
Other - Non UC n/a 204,899 204,899
_______ ______ _____
243,940 492,477 736,417
Average number of records displayed per hour:
12-2 a.m. 1,002 12-2 p.m. 9,208
2-4 a.m. 671 2-4 p.m. 10,761
4-6 a.m. 1,070 4-6 p.m. 8,169
6-8 a.m. 1,544 6-8 p.m. 2,622
8-10 a.m. 5,759 8-10 p.m. 1,719
10-12 a.m. 9,723 10-12 p.m. 1,713
Total number of Records Displayed 736,417
Peak hourly load of 17,031 records displayed occurred on 09/24/01 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 44,370 305,183 43.0% 47.1%
TEN 0 0 0.0% 0.0%
PE 4,267 35,121 4.7% 4.5%
ABI 537 789 0.6% 0.6%
BIOSIS 3,291 3,607 3.7% 3.5%
CC databases 7,082 68,629 8.5% 7.5%
CC 6,965 64,727 8.1% 7.4%
CCT 117 3,902 0.4% 0.1%
IAC databases 2,548 29,022 3.1% 2.7%
MAGS 2,251 25,108 2.6% 2.4%
NEWS 216 1,453 0.3% 0.2%
COMP 81 2,461 0.1% 0.1%
INS databases 2,778 19,479 4.5% 3.0%
INS 1,862 15,840 2.8% 2.0%
INS90 321 1,196 0.6% 0.3%
INS85 212 902 0.4% 0.2%
INS80 169 548 0.4% 0.2%
INS69 214 993 0.3% 0.2%
MED databases 14,123 131,624 16.8% 15.0%
MED 11,246 111,780 12.1% 11.9%
MED90 1,245 7,824 1.9% 1.3%
MED85 713 3,969 1.1% 0.8%
MED80 411 2,640 0.8% 0.4%
MED75 295 2,424 0.5% 0.3%
MED66 213 2,987 0.4% 0.2%
PSYC 3,549 4,858 3.1% 3.8%
OCLC 10,247 13,323 10.6% 10.9%
RLG 1,063 1,243 1.0% 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) 0 0 0
GEOREF (Stanford) 0 0 0
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 76 110 186
Arizona State University 0 2 2
Boston University 0 0 0
California State Library 2 1 3
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 10 8 18
Cambridge University, England 0 3 3
CARL 0 0 0
CARL Uncover 0 2 2
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 18 19
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 1 1 2
Harvard 2 5 7
Library of Congress (LOCIS) 1 3 4
Los Angeles Public Library 2 0 2
National Agricultural Library 4 1 5
NLM AIDSDBS 0 2 2
NLM Databases (Medlars) 1 1 2
Northern Regional Lib Facility 57 30 87
New York Public Library 1 0 1
OCEAN Information Center 0 0 0
OCLC Catalog 1 66 67
OCLC EPIC 0 0 0
Oxford University, England 0 1 1
Princeton 0 1 1
Rensselaer Polytechnic Institute 0 0 0
RLIN 45 62 107
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 1 24 25
SUNY Buffalo (BISON) 2 0 2
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 31 111 142
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 2 1 3
UCLA ORION 0 1 1
UCSC CRUZCAT 0 3 3
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 2 3
UCSF Catalog 0 0 0
Univ. of Hawaii 0 1 1
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 2 2
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 7 1 8
Other 0 1 1
_______ ______ _____
Total number of USE commands 248 464 712
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 3.0
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.3
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 158
SAVE SET 115
RECALL SET 0
DELETE/CLEAR SET 1
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,312
1.7.2 REQUEST Commands
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Number of REQUEST Commands 129
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 0 0 0
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 1 1
San Francisco 2 0 2
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 3 3
_______ ______ _____
2 5 7
1.7.4 Number of UPDATE commands by Database
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CAT 3
PE 0
TEN 0
CC databases 0
CC 0
CCT 0
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 3
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 17
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 1
Total number of UPDATEs on 09/28/01 3,365
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)