MELVYL SYSTEM TELNET STATISTICS
Time period: 06/30/01 through 07/06/01
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 915 3,988 4,903
Davis 2,534 357 2,891
Irvine 1,280 0 1,280
Los Angeles 36 1,737 1,773
Riverside 556 314 870
San Diego 600 885 1,485
San Francisco 1,724 0 1,724
Santa Barbara 207 498 705
Santa Cruz 447 294 741
NRLF 0 0 0
SRLF 0 0 0
LBL 0 327 327
LLL 0 174 174
Los Alamos 0 56 56
Other - UC 31 381 412
CSL 0 90 90
CSU n/a 149 149
Stanford n/a 354 354
Other - Non UC n/a 7,545 7,545
_______ ______ _____
8,330 17,149 25,479
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. 54
2-4 a.m. 13 2-4 p.m. 58
4-6 a.m. 10 4-6 p.m. 38
6-8 a.m. 12 6-8 p.m. 16
8-10 a.m. 37 8-10 p.m. 12
10-12 a.m. 57 10-12 p.m. 12
Maximum of active users in a 2 minute interval:
For MELVYL system on 07/02/01 at 11:38:17 total number of users: 110
For MELVYL MEDLINE on 07/03/01 at 13:28:32 total number of users: 25
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 519.50
For Non-UC users (hrs:mins) 25.63
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2,625 11,656 14,281
Davis 8,699 1,280 9,979
Irvine 4,529 0 4,529
Los Angeles 77 4,890 4,967
Riverside 2,419 689 3,108
San Diego 1,891 2,455 4,346
San Francisco 5,468 0 5,468
Santa Barbara 540 1,198 1,738
Santa Cruz 3,116 897 4,013
NRLF 0 0 0
SRLF 0 0 0
LBL 0 908 908
LLL 0 1,116 1,116
Los Alamos 0 49 49
Other - UC 32 1,122 1,154
CSL 0 307 307
CSU n/a 701 701
Stanford n/a 1,076 1,076
Other - Non UC n/a 24,463 24,463
_______ ______ _____
29,396 52,807 82,203
Average number of FIND commands per hour:
12-2 a.m. 74 12-2 p.m. 522
2-4 a.m. 59 2-4 p.m. 547
4-6 a.m. 44 4-6 p.m. 317
6-8 a.m. 108 6-8 p.m. 115
8-10 a.m. 326 8-10 p.m. 80
10-12 a.m. 513 10-12 p.m. 69
Total number of FIND commands 82,203
Peak hourly load of 1,060 FIND commands occurred on 07/05/01 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 19,814 98,477 118,291
Davis 60,726 7,040 67,766
Irvine 35,958 0 35,958
Los Angeles 890 42,798 43,688
Riverside 17,622 7,174 24,796
San Diego 10,575 46,393 56,968
San Francisco 45,571 0 45,571
Santa Barbara 4,448 11,743 16,191
Santa Cruz 10,342 9,115 19,457
NRLF 0 0 0
SRLF 0 0 0
LBL 0 8,295 8,295
LLL 0 12,557 12,557
Los Alamos 0 31,582 31,582
Other - UC 426 9,388 9,814
CSL 0 1,955 1,955
CSU n/a 6,667 6,667
Stanford n/a 9,210 9,210
Other - Non UC n/a 200,883 200,883
_______ ______ _____
206,372 503,277 709,649
Average number of records displayed per hour:
12-2 a.m. 1,093 12-2 p.m. 9,487
2-4 a.m. 786 2-4 p.m. 9,347
4-6 a.m. 743 4-6 p.m. 7,046
6-8 a.m. 1,619 6-8 p.m. 2,949
8-10 a.m. 4,895 8-10 p.m. 3,734
10-12 a.m. 8,197 10-12 p.m. 1,946
Total number of Records Displayed 709,649
Peak hourly load of 19,386 records displayed occurred on 07/06/01 at 8 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 34,913 240,628 40.8% 42.5%
TEN 0 0 0.0% 0.0%
PE 3,162 25,988 4.2% 3.8%
ABI 449 673 0.5% 0.5%
BIOSIS 2,556 3,058 3.3% 3.1%
CC databases 8,318 70,721 9.6% 10.1%
CC 8,145 63,522 9.3% 9.9%
CCT 173 7,199 0.3% 0.2%
IAC databases 2,330 46,315 3.1% 2.8%
MAGS 2,056 17,574 2.6% 2.5%
NEWS 107 418 0.3% 0.1%
COMP 167 28,323 0.2% 0.2%
INS databases 2,816 23,460 5.1% 3.4%
INS 1,852 15,037 3.0% 2.3%
INS90 372 3,290 0.8% 0.5%
INS85 232 1,835 0.6% 0.3%
INS80 174 1,631 0.4% 0.2%
INS69 186 1,667 0.3% 0.2%
MED databases 14,325 156,953 18.5% 17.4%
MED 11,117 139,783 13.5% 13.5%
MED90 1,399 9,142 2.2% 1.7%
MED85 710 3,056 1.2% 0.9%
MED80 575 2,699 0.9% 0.7%
MED75 255 978 0.4% 0.3%
MED66 269 1,295 0.4% 0.3%
PSYC 3,301 4,591 3.4% 4.0%
OCLC 9,222 11,907 10.2% 11.2%
RLG 590 616 0.8% 0.7%
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) 4 18 22
GEOREF (Stanford) 19 64 83
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 68 165 233
Arizona State University 0 2 2
Boston University 0 1 1
California State Library 0 1 1
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 1 1
Cal State Univ., Hayward 8 66 74
Cambridge University, England 0 1 1
CARL 0 0 0
CARL Uncover 8 6 14
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 1 1
Cleveland Free-Net 0 0 0
Dartmouth College 0 1 1
DIALOG 3 26 29
DRA LC 0 2 2
Earthquake Engineering Abstracts 1 0 1
FS INFO 0 1 1
Harvard 2 3 5
Library of Congress (LOCIS) 2 5 7
Los Angeles Public Library 0 0 0
National Agricultural Library 6 0 6
NLM AIDSDBS 0 2 2
NLM Databases (Medlars) 0 2 2
Northern Regional Lib Facility 40 17 57
New York Public Library 1 0 1
OCEAN Information Center 0 0 0
OCLC Catalog 7 44 51
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 22 78 100
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 4 37 41
SUNY Buffalo (BISON) 1 1 2
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 19 109 128
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 7 1 8
UCLA ORION 0 0 0
UCSC CRUZCAT 0 2 2
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 0 0
UCSF Catalog 1 2 3
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 1 1
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 1 1
Virginia Polytechnic Institute 0 0 0
Weather 0 4 4
WRLC 0 0 0
Yale 0 0 0
Other 0 0 0
_______ ______ _____
Total number of USE commands 223 665 888
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 0.1
Standard deviation in seconds 0.3
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 183
SAVE SET 232
RECALL SET 2
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 1,418
1.7.2 REQUEST Commands
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Number of REQUEST Commands 114
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 0 0
San Francisco 0 0 0
Santa Barbara 0 1 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 1 1
Other - Non UC n/a 4 4
_______ ______ _____
0 7 7
1.7.4 Number of UPDATE commands by Database
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CAT 0
PE 0
TEN 0
CC databases 1
CC 1
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 5
INS 0
PSYC 0
ABI 0
BIOSIS 1
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 19
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 07/06/01 3,362
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)