MELVYL SYSTEM TELNET STATISTICS
Time period: 01/20/01 through 01/26/01
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 1,710 6,291 8,001
Davis 4,822 510 5,332
Irvine 2,259 0 2,259
Los Angeles 347 2,528 2,875
Riverside 1,066 458 1,524
San Diego 1,072 1,529 2,601
San Francisco 2,446 0 2,446
Santa Barbara 929 902 1,831
Santa Cruz 712 596 1,308
NRLF 0 0 0
SRLF 2 0 2
LBL 0 368 368
LLL 0 212 212
Los Alamos 0 20 20
Other - UC 70 642 712
CSL 0 162 162
CSU n/a 237 237
Stanford n/a 516 516
Other - Non UC n/a 9,606 9,606
_______ ______ _____
15,435 24,577 40,012
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 9 12-2 p.m. 80
2-4 a.m. 10 2-4 p.m. 90
4-6 a.m. 9 4-6 p.m. 63
6-8 a.m. 12 6-8 p.m. 25
8-10 a.m. 51 8-10 p.m. 15
10-12 a.m. 85 10-12 p.m. 12
Maximum of active users in a 2 minute interval:
For MELVYL system on 01/23/01 at 15:19:37 total number of users: 176
For MELVYL MEDLINE on 01/22/01 at 16:23:53 total number of users: 29
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 793.03
For Non-UC users (hrs:mins) 42.40
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 5,145 17,159 22,304
Davis 14,997 2,004 17,001
Irvine 7,232 0 7,232
Los Angeles 1,109 7,154 8,263
Riverside 3,651 1,383 5,034
San Diego 3,106 4,285 7,391
San Francisco 7,141 0 7,141
Santa Barbara 2,878 2,393 5,271
Santa Cruz 2,959 2,233 5,192
NRLF 0 0 0
SRLF 3 0 3
LBL 0 851 851
LLL 0 1,182 1,182
Los Alamos 0 30 30
Other - UC 86 4,096 4,182
CSL 0 359 359
CSU n/a 1,201 1,201
Stanford n/a 1,292 1,292
Other - Non UC n/a 30,735 30,735
_______ ______ _____
48,307 76,357 124,664
Average number of FIND commands per hour:
12-2 a.m. 68 12-2 p.m. 739
2-4 a.m. 52 2-4 p.m. 902
4-6 a.m. 48 4-6 p.m. 610
6-8 a.m. 114 6-8 p.m. 236
8-10 a.m. 455 8-10 p.m. 172
10-12 a.m. 818 10-12 p.m. 122
Total number of FIND commands 124,664
Peak hourly load of 1,265 FIND commands occurred on 01/23/01 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 45,199 167,813 213,012
Davis 112,354 14,024 126,378
Irvine 56,585 0 56,585
Los Angeles 13,038 71,560 84,598
Riverside 26,265 13,118 39,383
San Diego 20,163 44,112 64,275
San Francisco 73,660 0 73,660
Santa Barbara 21,266 24,589 45,855
Santa Cruz 18,312 18,128 36,440
NRLF 0 0 0
SRLF 3 0 3
LBL 0 8,264 8,264
LLL 0 15,945 15,945
Los Alamos 0 276 276
Other - UC 500 27,951 28,451
CSL 0 2,359 2,359
CSU n/a 12,485 12,485
Stanford n/a 29,350 29,350
Other - Non UC n/a 294,159 294,159
_______ ______ _____
387,345 744,133 1,131,478
Average number of records displayed per hour:
12-2 a.m. 1,281 12-2 p.m. 14,452
2-4 a.m. 3,009 2-4 p.m. 15,760
4-6 a.m. 753 4-6 p.m. 11,718
6-8 a.m. 1,993 6-8 p.m. 4,739
8-10 a.m. 8,498 8-10 p.m. 3,362
10-12 a.m. 15,035 10-12 p.m. 2,536
Total number of Records Displayed 1,131,478
Peak hourly load of 26,026 records displayed occurred on 01/23/01 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 55,818 423,317 41.9% 44.8%
TEN 0 0 0.0% 0.0%
PE 4,961 49,860 3.6% 4.0%
ABI 728 1,118 0.6% 0.6%
BIOSIS 4,555 5,647 3.7% 3.7%
CC databases 11,045 104,958 9.2% 8.9%
CC 10,830 94,434 8.8% 8.7%
CCT 215 10,524 0.4% 0.2%
IAC databases 5,364 63,972 4.7% 4.3%
MAGS 4,777 53,483 4.1% 3.8%
NEWS 446 3,457 0.4% 0.4%
COMP 141 7,032 0.2% 0.1%
INS databases 4,115 31,928 4.3% 3.3%
INS 2,822 23,528 2.8% 2.3%
INS90 463 2,621 0.6% 0.4%
INS85 300 1,857 0.4% 0.2%
INS80 220 1,090 0.3% 0.2%
INS69 310 2,832 0.3% 0.2%
MED databases 21,611 243,412 19.0% 17.3%
MED 17,134 212,211 13.9% 13.7%
MED90 2,118 16,029 2.3% 1.7%
MED85 1,003 7,339 1.2% 0.8%
MED80 631 4,205 0.7% 0.5%
MED75 348 1,335 0.4% 0.3%
MED66 377 2,293 0.4% 0.3%
PSYC 4,896 7,580 3.3% 3.9%
OCLC 9,858 14,261 7.6% 7.9%
RLG 1,193 1,213 1.2% 1.0%
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) 22 27 49
GEOREF (Stanford) 26 102 128
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 127 128 255
Arizona State University 0 1 1
Boston University 0 0 0
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 4 6 10
Cambridge University, England 1 3 4
CARL 0 0 0
CARL Uncover 3 18 21
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 1 1
Dartmouth College 0 0 0
DIALOG 1 40 41
DRA LC 1 0 1
Earthquake Engineering Abstracts 0 3 3
FS INFO 1 5 6
Harvard 1 7 8
Library of Congress (LOCIS) 1 9 10
Los Angeles Public Library 0 4 4
National Agricultural Library 3 2 5
NLM AIDSDBS 3 2 5
NLM Databases (Medlars) 1 1 2
Northern Regional Lib Facility 145 41 186
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 5 82 87
OCLC EPIC 0 0 0
Oxford University, England 1 3 4
Princeton 1 6 7
Rensselaer Polytechnic Institute 0 0 0
RLIN 43 95 138
San Francisco State University 1 0 1
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 9 57 66
SUNY Buffalo (BISON) 2 1 3
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 78 119 197
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 4 5
UCLA ORION 0 3 3
UCSC CRUZCAT 1 1 2
UCSC INFOSLUG 0 0 0
UCSD ROGER 3 5 8
UCSF Catalog 14 1 15
Univ. of Hawaii 2 0 2
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 1 1 2
Virginia Polytechnic Institute 0 2 2
Weather 4 1 5
WRLC 1 0 1
Yale 0 16 16
Other 0 0 0
_______ ______ _____
Total number of USE commands 507 799 1,306
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 2.9
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.5
1.5 Online Publications
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Current Cites 0
DLA Bulletin 0
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 147
SAVE SET 238
RECALL SET 11
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 1,936
1.7.2 REQUEST Commands
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Number of REQUEST Commands 186
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 0 1
Davis 0 0 0
Irvine 0 0 0
Los Angeles 0 1 1
Riverside 0 0 0
San Diego 1 1 2
San Francisco 0 0 0
Santa Barbara 2 1 3
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 1 1
_______ ______ _____
4 4 8
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 2
MAGS 2
NEWS 0
COMP 0
MED 1
INS 1
PSYC 0
ABI 0
BIOSIS 1
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 16
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 3
Number of REDO UPDATE commands 0
Total number of UPDATEs on 01/26/01 3,843
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)