MELVYL SYSTEM TELNET STATISTICS
Time period: 09/08/01 through 09/14/01
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 1,247 4,854 6,101
Davis 2,918 377 3,295
Irvine 1,322 0 1,322
Los Angeles 51 1,814 1,865
Riverside 610 232 842
San Diego 540 1,003 1,543
San Francisco 1,378 0 1,378
Santa Barbara 224 363 587
Santa Cruz 214 294 508
NRLF 0 0 0
SRLF 0 0 0
LBL 0 256 256
LLL 0 117 117
Los Alamos 0 3 3
Other - UC 28 512 540
CSL 0 138 138
CSU n/a 227 227
Stanford n/a 151 151
Other - Non UC n/a 8,988 8,988
_______ ______ _____
8,532 19,329 27,861
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 12 12-2 p.m. 56
2-4 a.m. 10 2-4 p.m. 68
4-6 a.m. 10 4-6 p.m. 42
6-8 a.m. 10 6-8 p.m. 16
8-10 a.m. 39 8-10 p.m. 12
10-12 a.m. 63 10-12 p.m. 14
Maximum of active users in a 2 minute interval:
For MELVYL system on 09/10/01 at 11:43:50 total number of users: 112
For MELVYL MEDLINE on 09/14/01 at 10:09:07 total number of users: 20
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 472.30
For Non-UC users (hrs:mins) 13.33
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,271 14,670 17,941
Davis 9,830 1,242 11,072
Irvine 5,357 0 5,357
Los Angeles 154 4,890 5,044
Riverside 2,164 623 2,787
San Diego 2,069 2,521 4,590
San Francisco 3,703 0 3,703
Santa Barbara 606 1,070 1,676
Santa Cruz 960 682 1,642
NRLF 0 0 0
SRLF 0 0 0
LBL 0 470 470
LLL 0 894 894
Los Alamos 0 4 4
Other - UC 42 1,649 1,691
CSL 0 154 154
CSU n/a 1,023 1,023
Stanford n/a 380 380
Other - Non UC n/a 27,693 27,693
_______ ______ _____
28,156 57,965 86,121
Average number of FIND commands per hour:
12-2 a.m. 77 12-2 p.m. 510
2-4 a.m. 64 2-4 p.m. 620
4-6 a.m. 66 4-6 p.m. 379
6-8 a.m. 79 6-8 p.m. 123
8-10 a.m. 361 8-10 p.m. 70
10-12 a.m. 513 10-12 p.m. 81
Total number of FIND commands 86,121
Peak hourly load of 962 FIND commands occurred on 09/10/01 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 28,560 134,595 163,155
Davis 74,192 7,781 81,973
Irvine 40,021 0 40,021
Los Angeles 1,078 61,497 62,575
Riverside 15,957 5,815 21,772
San Diego 10,333 23,168 33,501
San Francisco 33,516 0 33,516
Santa Barbara 5,954 12,611 18,565
Santa Cruz 6,173 5,812 11,985
NRLF 0 0 0
SRLF 0 0 0
LBL 0 5,149 5,149
LLL 0 11,685 11,685
Los Alamos 0 5 5
Other - UC 477 13,452 13,929
CSL 0 2,231 2,231
CSU n/a 10,290 10,290
Stanford n/a 2,298 2,298
Other - Non UC n/a 210,654 210,654
_______ ______ _____
216,261 507,043 723,304
Average number of records displayed per hour:
12-2 a.m. 861 12-2 p.m. 8,978
2-4 a.m. 793 2-4 p.m. 10,547
4-6 a.m. 709 4-6 p.m. 6,478
6-8 a.m. 1,662 6-8 p.m. 2,904
8-10 a.m. 6,369 8-10 p.m. 2,354
10-12 a.m. 9,682 10-12 p.m. 1,508
Total number of Records Displayed 723,304
Peak hourly load of 20,292 records displayed occurred on 09/14/01 at 11 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 40,351 297,488 43.3% 46.9%
TEN 0 0 0.0% 0.0%
PE 3,530 28,114 4.8% 4.1%
ABI 606 1,017 0.7% 0.7%
BIOSIS 2,828 3,601 3.7% 3.3%
CC databases 7,323 71,190 8.5% 8.5%
CC 7,208 65,699 8.2% 8.4%
CCT 115 5,491 0.3% 0.1%
IAC databases 2,519 25,394 3.2% 2.9%
MAGS 2,330 23,522 2.8% 2.7%
NEWS 90 713 0.2% 0.1%
COMP 99 1,159 0.2% 0.1%
INS databases 2,656 20,465 4.5% 3.1%
INS 1,797 14,099 2.8% 2.1%
INS90 317 1,998 0.7% 0.4%
INS85 165 1,377 0.3% 0.2%
INS80 148 1,499 0.3% 0.2%
INS69 229 1,492 0.3% 0.3%
MED databases 12,045 121,588 16.5% 14.0%
MED 9,465 108,177 11.8% 11.0%
MED90 1,162 6,603 2.0% 1.3%
MED85 563 2,417 1.1% 0.7%
MED80 365 1,817 0.7% 0.4%
MED75 254 1,038 0.5% 0.3%
MED66 236 1,536 0.4% 0.3%
PSYC 3,254 4,443 3.1% 3.8%
OCLC 9,970 13,077 10.3% 11.6%
RLG 721 935 1.0% 0.8%
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 90 98 188
Arizona State University 0 0 0
Boston University 0 1 1
California State Library 3 1 4
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 10 1 11
Cambridge University, England 0 0 0
CARL 0 4 4
CARL Uncover 2 6 8
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 1 31 32
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 1 1
Harvard 0 4 4
Library of Congress (LOCIS) 1 2 3
Los Angeles Public Library 0 0 0
National Agricultural Library 1 0 1
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 2 4 6
Northern Regional Lib Facility 63 49 112
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 1 63 64
OCLC EPIC 0 0 0
Oxford University, England 0 1 1
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 23 44 67
San Francisco State University 0 0 0
San Jose State University 0 1 1
Santa Clara University (OSCAR) 0 0 0
Stanford University 1 24 25
SUNY Buffalo (BISON) 0 0 0
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 31 107 138
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 2 2 4
UCLA ORION 0 2 2
UCSC CRUZCAT 0 0 0
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 1 2
UCSF Catalog 0 0 0
Univ. of Hawaii 0 0 0
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 0 0 0
Virginia Polytechnic Institute 0 0 0
Weather 0 0 0
WRLC 0 0 0
Yale 0 8 8
Other 1 0 1
_______ ______ _____
Total number of USE commands 233 455 687
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 2.7
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.8
1.5 Online Publications
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Current Cites 0
DLA Bulletin 1
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 89
SAVE SET 137
RECALL SET 2
DELETE/CLEAR SET 4
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,091
1.7.2 REQUEST Commands
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Number of REQUEST Commands 92
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 0 0
Davis 0 0 0
Irvine 1 0 1
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
San Francisco 3 0 3
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 2 2
_______ ______ _____
5 2 7
1.7.4 Number of UPDATE commands by Database
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CAT 2
PE 0
TEN 0
CC databases 2
CC 2
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 2
INS 0
PSYC 0
ABI 1
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 14
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 09/14/01 3,374
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)