MELVYL SYSTEM TELNET STATISTICS
Time period: 08/04/01 through 08/10/01
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 1,063 4,587 5,650
Davis 2,999 456 3,455
Irvine 1,449 0 1,449
Los Angeles 51 1,673 1,724
Riverside 650 283 933
San Diego 686 947 1,633
San Francisco 2,016 0 2,016
Santa Barbara 279 390 669
Santa Cruz 427 413 840
NRLF 0 0 0
SRLF 0 0 0
LBL 0 304 304
LLL 0 131 131
Los Alamos 0 2 2
Other - UC 44 408 452
CSL 0 145 145
CSU n/a 164 164
Stanford n/a 381 381
Other - Non UC n/a 9,489 9,489
_______ ______ _____
9,664 19,773 29,437
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. 14 2-4 p.m. 67
4-6 a.m. 12 4-6 p.m. 45
6-8 a.m. 11 6-8 p.m. 18
8-10 a.m. 39 8-10 p.m. 12
10-12 a.m. 61 10-12 p.m. 14
Maximum of active users in a 2 minute interval:
For MELVYL system on 08/08/01 at 11:21:00 total number of users: 112
For MELVYL MEDLINE on 08/06/01 at 14:30:38 total number of users: 24
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 541.87
For Non-UC users (hrs:mins) 34.27
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,131 13,804 16,935
Davis 10,260 1,367 11,627
Irvine 4,556 0 4,556
Los Angeles 84 5,090 5,174
Riverside 2,498 712 3,210
San Diego 3,291 2,623 5,914
San Francisco 5,973 0 5,973
Santa Barbara 985 1,064 2,049
Santa Cruz 3,097 1,194 4,291
NRLF 0 0 0
SRLF 0 0 0
LBL 0 654 654
LLL 0 962 962
Los Alamos 0 22 22
Other - UC 76 1,175 1,251
CSL 0 181 181
CSU n/a 546 546
Stanford n/a 1,154 1,154
Other - Non UC n/a 29,720 29,720
_______ ______ _____
33,951 60,268 94,219
Average number of FIND commands per hour:
12-2 a.m. 79 12-2 p.m. 609
2-4 a.m. 57 2-4 p.m. 652
4-6 a.m. 58 4-6 p.m. 444
6-8 a.m. 110 6-8 p.m. 135
8-10 a.m. 342 8-10 p.m. 110
10-12 a.m. 544 10-12 p.m. 87
Total number of FIND commands 94,219
Peak hourly load of 1,080 FIND commands occurred on 08/07/01 at Noon
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 26,774 120,254 147,028
Davis 71,454 7,064 78,518
Irvine 37,857 0 37,857
Los Angeles 1,105 49,611 50,716
Riverside 16,017 7,524 23,541
San Diego 12,993 108,615 121,608
San Francisco 62,316 0 62,316
Santa Barbara 7,078 9,391 16,469
Santa Cruz 9,113 11,860 20,973
NRLF 0 0 0
SRLF 0 0 0
LBL 0 9,018 9,018
LLL 0 9,887 9,887
Los Alamos 0 210 210
Other - UC 560 10,628 11,188
CSL 0 1,489 1,489
CSU n/a 4,845 4,845
Stanford n/a 11,083 11,083
Other - Non UC n/a 906,582 906,582
_______ ______ _____
245,267 1,268,061 1,513,328
Average number of records displayed per hour:
12-2 a.m. 1,140 12-2 p.m. 23,331
2-4 a.m. 1,077 2-4 p.m. 20,823
4-6 a.m. 755 4-6 p.m. 28,920
6-8 a.m. 9,453 6-8 p.m. 37,639
8-10 a.m. 11,431 8-10 p.m. 11,740
10-12 a.m. 17,269 10-12 p.m. 1,883
Total number of Records Displayed 1,513,328
Peak hourly load of 284,697 records displayed occurred on 08/07/01 at 7 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 42,507 982,066 40.8% 45.1%
TEN 0 0 0.0% 0.0%
PE 4,208 29,731 4.6% 4.5%
ABI 474 735 0.6% 0.5%
BIOSIS 3,383 4,346 3.6% 3.6%
CC databases 7,900 65,958 8.4% 8.4%
CC 7,756 61,765 8.1% 8.2%
CCT 144 4,193 0.2% 0.2%
IAC databases 2,244 93,489 2.9% 2.4%
MAGS 1,921 87,859 2.5% 2.0%
NEWS 240 2,155 0.4% 0.3%
COMP 83 3,475 0.1% 0.1%
INS databases 2,885 18,083 4.6% 3.1%
INS 1,923 13,296 2.9% 2.0%
INS90 344 1,659 0.6% 0.4%
INS85 220 1,040 0.4% 0.2%
INS80 183 761 0.4% 0.2%
INS69 215 1,327 0.3% 0.2%
MED databases 15,228 167,334 18.7% 16.2%
MED 11,843 148,869 13.1% 12.6%
MED90 1,485 8,423 2.3% 1.6%
MED85 791 3,437 1.4% 0.8%
MED80 609 3,575 1.0% 0.6%
MED75 266 1,746 0.5% 0.3%
MED66 234 1,284 0.4% 0.2%
PSYC 3,163 4,366 2.7% 3.4%
OCLC 11,190 13,620 11.6% 11.9%
RLG 716 901 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 67 127 194
Arizona State University 0 2 2
Boston University 0 1 1
California State Library 0 0 0
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 2 6 8
Cambridge University, England 0 0 0
CARL 0 1 1
CARL Uncover 2 10 12
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 25 26
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 6 6
Harvard 4 0 4
Library of Congress (LOCIS) 0 8 8
Los Angeles Public Library 0 0 0
National Agricultural Library 1 2 3
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 3 3
Northern Regional Lib Facility 82 31 113
New York Public Library 0 1 1
OCEAN Information Center 0 0 0
OCLC Catalog 0 78 78
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 1 1
RLIN 63 73 136
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 3 59 62
SUNY Buffalo (BISON) 1 0 1
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 41 120 161
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 1 2
UCLA ORION 0 0 0
UCSC CRUZCAT 0 3 3
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 1 2
UCSF Catalog 1 0 1
Univ. of Hawaii 1 1 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 0 0 0
Virginia Polytechnic Institute 0 1 1
Weather 1 6 7
WRLC 0 0 0
Yale 10 1 11
Other 0 2 2
_______ ______ _____
Total number of USE commands 282 571 853
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 2.9
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 8.3
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 124
SAVE SET 177
RECALL SET 3
DELETE/CLEAR SET 0
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,372
1.7.2 REQUEST Commands
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Number of REQUEST Commands 111
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 4 0 4
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 0 0
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 1 5
1.7.4 Number of UPDATE commands by Database
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CAT 2
PE 0
TEN 0
CC databases 3
CC 3
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 0
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 10
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 08/10/01 3,341
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)