MELVYL SYSTEM TELNET STATISTICS
Time period: 09/01/01 through 09/30/01
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 5,155 19,976 25,131
Davis 12,640 1,301 13,941
Irvine 5,764 0 5,764
Los Angeles 172 7,191 7,363
Riverside 2,401 994 3,395
San Diego 2,352 4,174 6,526
San Francisco 5,760 0 5,760
Santa Barbara 961 1,679 2,640
Santa Cruz 1,119 1,191 2,310
NRLF 0 0 0
SRLF 0 0 0
LBL 0 999 999
LLL 0 530 530
Los Alamos 0 32 32
Other - UC 208 2,049 2,257
CSL 0 502 502
CSU n/a 887 887
Stanford n/a 613 613
Other - Non UC n/a 36,558 36,558
_______ ______ _____
36,532 78,676 115,208
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 13 12-2 p.m. 53
2-4 a.m. 13 2-4 p.m. 63
4-6 a.m. 11 4-6 p.m. 42
6-8 a.m. 10 6-8 p.m. 16
8-10 a.m. 37 8-10 p.m. 11
10-12 a.m. 58 10-12 p.m. 13
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 2013.57
For Non-UC users (hrs:mins) 54.83
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 13,846 59,075 72,921
Davis 41,894 4,300 46,194
Irvine 18,878 0 18,878
Los Angeles 561 20,273 20,834
Riverside 8,611 2,782 11,393
San Diego 8,522 11,541 20,063
San Francisco 16,295 0 16,295
Santa Barbara 3,084 4,939 8,023
Santa Cruz 8,064 2,991 11,055
NRLF 0 0 0
SRLF 0 0 0
LBL 0 2,025 2,025
LLL 0 2,555 2,555
Los Alamos 0 82 82
Other - UC 282 6,292 6,574
CSL 0 736 736
CSU n/a 4,102 4,102
Stanford n/a 1,541 1,541
Other - Non UC n/a 110,234 110,234
_______ ______ _____
120,037 233,468 353,505
Average number of FIND commands per hour:
12-2 a.m. 62 12-2 p.m. 471
2-4 a.m. 47 2-4 p.m. 603
4-6 a.m. 48 4-6 p.m. 372
6-8 a.m. 88 6-8 p.m. 134
8-10 a.m. 330 8-10 p.m. 79
10-12 a.m. 510 10-12 p.m. 78
Total number of FIND commands 353,505
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 123,855 539,827 663,682
Davis 293,426 24,160 317,586
Irvine 156,179 0 156,179
Los Angeles 4,866 213,294 218,160
Riverside 64,161 26,411 90,572
San Diego 37,666 106,340 144,006
San Francisco 163,506 0 163,506
Santa Barbara 30,101 51,850 81,951
Santa Cruz 32,929 28,490 61,419
NRLF 0 0 0
SRLF 0 0 0
LBL 0 19,750 19,750
LLL 0 27,403 27,403
Los Alamos 0 961 961
Other - UC 3,349 54,917 58,266
CSL 0 5,872 5,872
CSU n/a 39,892 39,892
Stanford n/a 10,412 10,412
Other - Non UC n/a 848,792 848,792
_______ ______ _____
910,038 1,998,371 2,908,409
Average number of records displayed per hour:
12-2 a.m. 922 12-2 p.m. 8,623
2-4 a.m. 655 2-4 p.m. 10,133
4-6 a.m. 687 4-6 p.m. 6,876
6-8 a.m. 1,457 6-8 p.m. 2,737
8-10 a.m. 5,526 8-10 p.m. 1,869
10-12 a.m. 8,730 10-12 p.m. 1,504
Total number of Records Displayed 2,908,409
Peak hourly load of 29,959 records displayed occurred on 09/17/01 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 164,051 1,202,748 42.8% 46.4%
TEN 0 0 0.0% 0.0%
PE 15,374 124,917 4.7% 4.3%
ABI 2,251 3,520 0.7% 0.6%
BIOSIS 12,134 14,152 3.7% 3.4%
CC databases 29,131 278,475 8.7% 8.2%
CC 28,671 258,626 8.4% 8.1%
CCT 460 19,849 0.3% 0.1%
IAC databases 9,631 110,220 3.1% 2.7%
MAGS 8,601 100,832 2.7% 2.4%
NEWS 622 3,774 0.3% 0.2%
COMP 408 5,614 0.2% 0.1%
INS databases 11,076 76,245 4.6% 3.1%
INS 7,520 57,004 3.0% 2.1%
INS90 1,307 6,353 0.6% 0.4%
INS85 769 3,730 0.4% 0.2%
INS80 627 3,479 0.3% 0.2%
INS69 853 5,679 0.3% 0.2%
MED databases 52,034 510,624 16.7% 14.7%
MED 41,417 448,965 12.1% 11.7%
MED90 4,704 27,489 1.9% 1.3%
MED85 2,426 12,218 1.1% 0.7%
MED80 1,618 9,350 0.7% 0.5%
MED75 975 6,221 0.5% 0.3%
MED66 894 6,381 0.4% 0.3%
PSYC 12,928 17,379 2.9% 3.7%
OCLC 39,923 51,927 10.5% 11.3%
RLG 3,718 4,249 1.1% 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 328 407 735
Arizona State University 1 4 5
Boston University 1 1 2
California State Library 5 8 13
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 44 24 68
Cambridge University, England 0 9 9
CARL 0 6 6
CARL Uncover 6 16 22
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 3 84 87
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 1 9 10
Harvard 13 17 30
Library of Congress (LOCIS) 4 17 21
Los Angeles Public Library 3 1 4
National Agricultural Library 7 4 11
NLM AIDSDBS 2 7 9
NLM Databases (Medlars) 4 6 10
Northern Regional Lib Facility 218 143 361
New York Public Library 1 0 1
OCEAN Information Center 0 0 0
OCLC Catalog 2 217 219
OCLC EPIC 0 0 0
Oxford University, England 0 3 3
Princeton 0 1 1
Rensselaer Polytechnic Institute 0 0 0
RLIN 141 213 354
San Francisco State University 0 1 1
San Jose State University 0 2 2
Santa Clara University (OSCAR) 0 0 0
Stanford University 5 103 108
SUNY Buffalo (BISON) 4 6 10
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 113 457 570
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 6 7 13
UCLA ORION 0 4 4
UCSC CRUZCAT 2 4 6
UCSC INFOSLUG 0 0 0
UCSD ROGER 4 4 8
UCSF Catalog 2 1 3
Univ. of Hawaii 1 1 2
Univ. of Tennessee 0 1 1
Univ. of Michigan 1 3 4
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 3 3
Virginia Polytechnic Institute 0 0 0
Weather 1 2 3
WRLC 0 1 1
Yale 11 15 26
Other 4 1 5
_______ ______ _____
Total number of USE commands 938 1,813 2,749
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 3.1
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.2
1.5 Online Publications
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Current Cites 0
DLA Bulletin 2
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 604
SAVE SET 606
RECALL SET 17
DELETE/CLEAR SET 9
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 4,785
1.7.2 REQUEST Commands
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Number of REQUEST Commands 525
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 4 4
Davis 0 0 0
Irvine 2 0 2
Los Angeles 0 4 4
Riverside 0 0 0
San Diego 0 3 3
San Francisco 13 0 13
Santa Barbara 1 0 1
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 7 7
_______ ______ _____
16 18 34
1.7.4 Number of UPDATE commands by Database
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CAT 8
PE 0
TEN 0
CC databases 12
CC 9
CCT 3
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 12
INS 0
PSYC 0
ABI 1
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 56
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 3
Number of REDO UPDATE commands 1
Total number of UPDATEs on 09/30/01 3,362
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)