MELVYL SYSTEM TELNET STATISTICS
Time period: 11/01/00 through 11/30/00
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 10,565 28,131 38,696
Davis 18,581 2,877 21,458
Irvine 9,432 0 9,432
Los Angeles 3,031 11,460 14,491
Riverside 4,899 1,584 6,483
San Diego 3,877 6,068 9,945
San Francisco 10,159 0 10,159
Santa Barbara 3,771 3,299 7,070
Santa Cruz 3,261 3,171 6,432
NRLF 0 0 0
SRLF 17 0 17
LBL 0 1,876 1,876
LLL 0 1,062 1,062
Los Alamos 0 34 34
Other - UC 275 3,064 3,339
CSL 0 749 749
CSU n/a 1,249 1,249
Stanford n/a 1,870 1,870
Other - Non UC n/a 36,549 36,549
_______ ______ _____
67,868 103,043 170,911
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. 80
2-4 a.m. 9 2-4 p.m. 93
4-6 a.m. 8 4-6 p.m. 62
6-8 a.m. 11 6-8 p.m. 27
8-10 a.m. 48 8-10 p.m. 19
10-12 a.m. 83 10-12 p.m. 14
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 3398.93
For Non-UC users (hrs:mins) 138.97
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 32,726 82,562 115,288
Davis 60,838 9,445 70,283
Irvine 31,219 0 31,219
Los Angeles 9,271 32,454 41,725
Riverside 15,268 4,310 19,578
San Diego 11,740 16,124 27,864
San Francisco 29,557 0 29,557
Santa Barbara 13,472 8,363 21,835
Santa Cruz 10,724 8,786 19,510
NRLF 0 0 0
SRLF 31 0 31
LBL 0 4,350 4,350
LLL 0 4,806 4,806
Los Alamos 0 95 95
Other - UC 370 10,129 10,499
CSL 0 1,134 1,134
CSU n/a 6,720 6,720
Stanford n/a 5,233 5,233
Other - Non UC n/a 120,721 120,721
_______ ______ _____
215,216 315,232 530,448
Average number of FIND commands per hour:
12-2 a.m. 77 12-2 p.m. 756
2-4 a.m. 56 2-4 p.m. 857
4-6 a.m. 53 4-6 p.m. 555
6-8 a.m. 101 6-8 p.m. 238
8-10 a.m. 411 8-10 p.m. 160
10-12 a.m. 780 10-12 p.m. 121
Total number of FIND commands 530,448
Peak hourly load of 1,489 FIND commands occurred on 11/20/00 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 305,900 789,735 1,095,635
Davis 570,273 61,608 631,881
Irvine 269,557 0 269,557
Los Angeles 101,386 318,359 419,745
Riverside 118,391 40,621 159,012
San Diego 73,409 604,006 677,415
San Francisco 339,082 0 339,082
Santa Barbara 101,482 91,835 193,317
Santa Cruz 71,245 69,042 140,287
NRLF 0 0 0
SRLF 132 0 132
LBL 0 46,939 46,939
LLL 0 44,665 44,665
Los Alamos 0 579 579
Other - UC 2,520 98,636 101,156
CSL 0 8,383 8,383
CSU n/a 75,741 75,741
Stanford n/a 51,208 51,208
Other - Non UC n/a 1,064,789 1,064,789
_______ ______ _____
1,953,377 3,366,146 5,319,523
Average number of records displayed per hour:
12-2 a.m. 1,240 12-2 p.m. 15,394
2-4 a.m. 736 2-4 p.m. 17,390
4-6 a.m. 670 4-6 p.m. 11,739
6-8 a.m. 1,883 6-8 p.m. 5,635
8-10 a.m. 10,057 8-10 p.m. 3,976
10-12 a.m. 19,207 10-12 p.m. 2,573
Total number of Records Displayed 5,319,523
Peak hourly load of 119,588 records displayed occurred on 11/07/00 at 10 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 226,618 1,757,827 41.5% 42.7%
TEN 0 0 0.0% 0.0%
PE 19,431 198,430 3.5% 3.7%
ABI 3,650 7,582 0.7% 0.7%
BIOSIS 20,944 26,181 3.8% 3.9%
CC databases 45,094 509,793 9.2% 8.5%
CC 43,975 462,467 8.7% 8.3%
CCT 1,119 47,326 0.5% 0.2%
IAC databases 33,446 676,986 6.5% 6.3%
MAGS 30,075 629,129 5.7% 5.7%
NEWS 2,595 30,447 0.6% 0.5%
COMP 776 17,410 0.2% 0.1%
INS databases 17,550 142,877 4.6% 3.3%
INS 12,030 107,483 2.9% 2.3%
INS90 2,174 13,470 0.7% 0.4%
INS85 1,233 7,119 0.4% 0.2%
INS80 959 6,274 0.3% 0.2%
INS69 1,154 8,531 0.3% 0.2%
MED databases 85,976 1,057,519 17.6% 16.2%
MED 69,867 943,617 12.9% 13.2%
MED90 7,649 55,425 2.1% 1.4%
MED85 3,484 26,155 1.1% 0.7%
MED80 2,327 15,659 0.7% 0.4%
MED75 1,451 7,481 0.5% 0.3%
MED66 1,198 9,182 0.4% 0.2%
PSYC 24,489 38,018 3.6% 4.6%
OCLC 45,556 61,958 7.5% 8.6%
RLG 6,072 6,340 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) 118 151 269
GEOREF (Stanford) 112 459 571
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 439 521 960
Arizona State University 2 4 6
Boston University 1 4 5
California State Library 0 9 9
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 1 1
Cal State Univ., Hayward 22 40 62
Cambridge University, England 4 4 8
CARL 1 7 8
CARL Uncover 19 65 84
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 2 1 3
Dartmouth College 0 10 10
DIALOG 8 137 145
DRA LC 2 5 7
Earthquake Engineering Abstracts 0 0 0
FS INFO 11 23 34
Harvard 5 36 41
Library of Congress (LOCIS) 11 22 33
Los Angeles Public Library 0 7 7
National Agricultural Library 15 14 29
NLM AIDSDBS 13 6 19
NLM Databases (Medlars) 5 11 16
Northern Regional Lib Facility 576 115 691
New York Public Library 0 1 1
OCEAN Information Center 0 0 0
OCLC Catalog 9 339 348
OCLC EPIC 0 0 0
Oxford University, England 0 8 8
Princeton 1 19 20
Rensselaer Polytechnic Institute 0 1 1
RLIN 186 287 473
San Francisco State University 0 3 3
San Jose State University 3 3 6
Santa Clara University (OSCAR) 0 1 1
Stanford University 24 273 297
SUNY Buffalo (BISON) 2 2 4
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 374 631 1,005
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 13 21 34
UCLA ORION 3 10 13
UCSC CRUZCAT 4 19 23
UCSC INFOSLUG 0 0 0
UCSD ROGER 8 17 25
UCSF Catalog 42 8 50
Univ. of Hawaii 1 0 1
Univ. of Tennessee 0 1 1
Univ. of Michigan 0 8 8
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 1 3 4
Virginia Polytechnic Institute 0 1 1
Weather 3 70 73
WRLC 0 1 1
Yale 1 76 77
Other 6 4 10
_______ ______ _____
Total number of USE commands 2,047 3,459 5,500
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 4.9
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.0
1.5 Online Publications
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Current Cites 0
DLA Bulletin 3
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 1,122
SAVE SET 1,309
RECALL SET 15
DELETE/CLEAR SET 11
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 9,953
1.7.2 REQUEST Commands
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Number of REQUEST Commands 803
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 12 12
Davis 9 0 9
Irvine 0 0 0
Los Angeles 1 1 2
Riverside 1 0 1
San Diego 5 8 13
San Francisco 8 0 8
Santa Barbara 0 0 0
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 2 2
LLL 0 3 3
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 5 5
_______ ______ _____
24 31 55
1.7.4 Number of UPDATE commands by Database
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CAT 3
PE 0
TEN 0
CC databases 24
CC 21
CCT 3
IAC databases 3
MAGS 0
NEWS 1
COMP 2
MED 12
INS 1
PSYC 0
ABI 0
BIOSIS 12
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 93
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 12
Number of REDO UPDATE commands 0
Total number of UPDATEs on 11/30/00 4,030
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)