MELVYL SYSTEM TELNET STATISTICS
Time period: 08/01/00 through 08/31/00
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 6,926 24,133 31,059
Davis 17,599 3,062 20,661
Irvine 9,428 0 9,428
Los Angeles 4,478 13,254 17,732
Riverside 4,461 1,761 6,222
San Diego 4,820 7,464 12,284
San Francisco 13,421 0 13,421
Santa Barbara 2,857 3,948 6,805
Santa Cruz 2,910 2,437 5,347
NRLF 0 0 0
SRLF 15 0 15
LBL 0 2,082 2,082
LLL 0 1,401 1,401
Los Alamos 0 50 50
Other - UC 536 2,127 2,663
CSL 0 758 758
CSU n/a 1,108 1,108
Stanford n/a 2,344 2,344
Other - Non UC n/a 35,777 35,777
_______ ______ _____
67,451 101,706 169,157
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. 80
2-4 a.m. 11 2-4 p.m. 92
4-6 a.m. 9 4-6 p.m. 64
6-8 a.m. 11 6-8 p.m. 23
8-10 a.m. 50 8-10 p.m. 16
10-12 a.m. 84 10-12 p.m. 14
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 3933.30
For Non-UC users (hrs:mins) 204.30
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 21,344 71,176 92,520
Davis 61,875 10,593 72,468
Irvine 29,668 0 29,668
Los Angeles 13,241 38,078 51,319
Riverside 16,172 5,113 21,285
San Diego 16,774 18,788 35,562
San Francisco 39,546 0 39,546
Santa Barbara 8,940 11,929 20,869
Santa Cruz 12,498 6,364 18,862
NRLF 0 0 0
SRLF 26 0 26
LBL 0 5,164 5,164
LLL 0 5,347 5,347
Los Alamos 0 179 179
Other - UC 745 6,070 6,815
CSL 0 2,289 2,289
CSU n/a 3,987 3,987
Stanford n/a 6,282 6,282
Other - Non UC n/a 132,185 132,185
_______ ______ _____
220,829 323,544 544,373
Average number of FIND commands per hour:
12-2 a.m. 79 12-2 p.m. 791
2-4 a.m. 57 2-4 p.m. 921
4-6 a.m. 49 4-6 p.m. 602
6-8 a.m. 114 6-8 p.m. 202
8-10 a.m. 471 8-10 p.m. 135
10-12 a.m. 855 10-12 p.m. 101
Total number of FIND commands 544,373
Peak hourly load of 1,574 FIND commands occurred on 08/29/00 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 199,993 670,050 870,043
Davis 504,663 62,117 566,780
Irvine 236,594 0 236,594
Los Angeles 112,304 377,613 489,917
Riverside 132,457 50,454 182,911
San Diego 89,179 239,901 329,080
San Francisco 372,379 0 372,379
Santa Barbara 75,333 109,602 184,935
Santa Cruz 73,027 58,727 131,754
NRLF 0 0 0
SRLF 132 0 132
LBL 0 52,277 52,277
LLL 0 51,559 51,559
Los Alamos 0 1,008 1,008
Other - UC 5,087 62,160 67,247
CSL 0 9,736 9,736
CSU n/a 43,181 43,181
Stanford n/a 74,363 74,363
Other - Non UC n/a 1,085,650 1,085,650
_______ ______ _____
1,801,148 2,948,398 4,749,546
Average number of records displayed per hour:
12-2 a.m. 1,299 12-2 p.m. 13,510
2-4 a.m. 873 2-4 p.m. 17,006
4-6 a.m. 660 4-6 p.m. 11,566
6-8 a.m. 1,940 6-8 p.m. 4,205
8-10 a.m. 9,915 8-10 p.m. 2,780
10-12 a.m. 14,559 10-12 p.m. 2,373
Total number of Records Displayed 4,749,546
Peak hourly load of 95,651 records displayed occurred on 08/15/00 at 9 am
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 244,354 1,826,010 42.5% 44.9%
TEN 0 0 0.0% 0.0%
PE 17,763 161,851 3.3% 3.3%
ABI 4,005 6,893 0.7% 0.7%
BIOSIS 16,821 20,951 3.2% 3.1%
CC databases 48,724 434,605 9.3% 9.0%
CC 47,784 401,105 8.9% 8.8%
CCT 940 33,500 0.4% 0.2%
IAC databases 19,053 291,566 3.9% 3.5%
MAGS 16,716 239,486 3.4% 3.1%
NEWS 1,360 9,756 0.3% 0.2%
COMP 977 42,324 0.2% 0.2%
INS databases 19,367 176,890 5.0% 3.6%
INS 13,261 134,130 3.1% 2.4%
INS90 2,251 15,069 0.7% 0.4%
INS85 1,399 9,017 0.5% 0.3%
INS80 1,076 5,779 0.4% 0.2%
INS69 1,380 12,895 0.3% 0.3%
MED databases 106,293 1,059,838 21.7% 19.5%
MED 84,395 930,854 15.5% 15.5%
MED90 10,527 66,354 2.8% 1.9%
MED85 4,994 27,231 1.5% 0.9%
MED80 3,033 15,624 0.9% 0.6%
MED75 1,855 10,031 0.5% 0.3%
MED66 1,489 9,744 0.4% 0.3%
PSYC 19,256 31,102 3.1% 3.5%
OCLC 40,680 53,379 5.6% 7.5%
RLG 6,226 7,952 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) 77 97 174
GEOREF (Stanford) 69 390 459
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 329 592 921
Arizona State University 1 7 8
Boston University 2 2 4
California State Library 0 11 11
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 3 3
Cal State Univ., Hayward 24 34 58
Cambridge University, England 10 5 15
CARL 5 10 15
CARL Uncover 15 68 83
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 1 1
Cleveland Free-Net 1 0 1
Dartmouth College 0 6 6
DIALOG 15 113 128
DRA LC 39 1 40
Earthquake Engineering Abstracts 0 0 0
FS INFO 2 13 15
Harvard 34 28 62
Library of Congress (LOCIS) 15 33 48
Los Angeles Public Library 1 7 8
National Agricultural Library 10 19 29
NLM AIDSDBS 0 12 12
NLM Databases (Medlars) 5 12 17
Northern Regional Lib Facility 635 170 805
New York Public Library 1 8 9
OCEAN Information Center 0 0 0
OCLC Catalog 10 425 435
OCLC EPIC 0 0 0
Oxford University, England 2 4 6
Princeton 36 6 42
Rensselaer Polytechnic Institute 0 0 0
RLIN 174 330 504
San Francisco State University 1 1 2
San Jose State University 2 5 7
Santa Clara University (OSCAR) 1 4 5
Stanford University 33 362 395
SUNY Buffalo (BISON) 0 17 17
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 356 559 915
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 26 19 45
UCLA ORION 5 10 15
UCSC CRUZCAT 3 18 21
UCSC INFOSLUG 0 0 0
UCSD ROGER 9 16 25
UCSF Catalog 40 2 42
Univ. of Hawaii 0 1 1
Univ. of Tennessee 1 0 1
Univ. of Michigan 5 11 16
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 10 7 17
Virginia Polytechnic Institute 4 2 6
Weather 8 124 132
WRLC 1 0 1
Yale 57 11 68
Other 8 9 17
_______ ______ _____
Total number of USE commands 2,082 3,585 5,660
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 2.8
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.7
1.5 Online Publications
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Current Cites 0
DLA Bulletin 1
Mynd of MELVYL 1
1.6 Search SET commands
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FIND SET 1,097
SAVE SET 1,337
RECALL SET 22
DELETE/CLEAR SET 19
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 8,821
1.7.2 REQUEST Commands
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Number of REQUEST Commands 1,163
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 23 0 23
Irvine 3 0 3
Los Angeles 0 2 2
Riverside 0 0 0
San Diego 0 3 3
San Francisco 9 0 9
Santa Barbara 2 4 6
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 5 5
LLL 0 5 5
Los Alamos 0 0 0
Other - UC 0 1 1
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 0 0
Other - Non UC n/a 2 2
_______ ______ _____
37 26 63
1.7.4 Number of UPDATE commands by Database
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CAT 6
PE 0
TEN 0
CC databases 30
CC 15
CCT 15
IAC databases 1
MAGS 0
NEWS 0
COMP 1
MED 20
INS 0
PSYC 0
ABI 0
BIOSIS 6
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 143
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 2
Number of REDO UPDATE commands 1
Total number of UPDATEs on 08/31/00 5,082
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)