MELVYL SYSTEM TELNET STATISTICS
Time period: 06/09/01 through 06/15/01
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 937 4,449 5,386
Davis 3,183 361 3,544
Irvine 1,692 0 1,692
Los Angeles 229 2,802 3,031
Riverside 753 270 1,023
San Diego 718 1,254 1,972
San Francisco 1,907 0 1,907
Santa Barbara 290 482 772
Santa Cruz 344 336 680
NRLF 0 0 0
SRLF 0 0 0
LBL 0 322 322
LLL 0 237 237
Los Alamos 0 9 9
Other - UC 59 375 434
CSL 0 131 131
CSU n/a 252 252
Stanford n/a 408 408
Other - Non UC n/a 8,877 8,877
_______ ______ _____
10,112 20,565 30,677
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. 58
2-4 a.m. 10 2-4 p.m. 65
4-6 a.m. 10 4-6 p.m. 43
6-8 a.m. 11 6-8 p.m. 16
8-10 a.m. 43 8-10 p.m. 12
10-12 a.m. 62 10-12 p.m. 12
Maximum of active users in a 2 minute interval:
For MELVYL system on 06/13/01 at 11:07:27 total number of users: 112
For MELVYL MEDLINE on 06/11/01 at 15:32:08 total number of users: 23
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 622.47
For Non-UC users (hrs:mins) 35.37
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2,896 13,430 16,326
Davis 10,640 1,122 11,762
Irvine 5,713 0 5,713
Los Angeles 417 6,627 7,044
Riverside 2,867 663 3,530
San Diego 2,113 3,333 5,446
San Francisco 6,298 0 6,298
Santa Barbara 757 1,189 1,946
Santa Cruz 1,467 931 2,398
NRLF 0 0 0
SRLF 0 0 0
LBL 0 732 732
LLL 0 1,508 1,508
Los Alamos 0 58 58
Other - UC 119 1,216 1,335
CSL 0 368 368
CSU n/a 928 928
Stanford n/a 1,119 1,119
Other - Non UC n/a 26,251 26,251
_______ ______ _____
33,287 59,475 92,762
Average number of FIND commands per hour:
12-2 a.m. 75 12-2 p.m. 558
2-4 a.m. 44 2-4 p.m. 612
4-6 a.m. 39 4-6 p.m. 379
6-8 a.m. 92 6-8 p.m. 149
8-10 a.m. 375 8-10 p.m. 82
10-12 a.m. 577 10-12 p.m. 83
Total number of FIND commands 92,762
Peak hourly load of 1,088 FIND commands occurred on 06/12/01 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 24,443 129,884 154,327
Davis 82,637 7,006 89,643
Irvine 39,620 0 39,620
Los Angeles 1,715 63,166 64,881
Riverside 19,201 7,448 26,649
San Diego 11,554 28,484 40,038
San Francisco 68,637 0 68,637
Santa Barbara 8,667 9,014 17,681
Santa Cruz 10,503 11,151 21,654
NRLF 0 0 0
SRLF 0 0 0
LBL 0 7,664 7,664
LLL 0 15,411 15,411
Los Alamos 0 513 513
Other - UC 1,039 10,910 11,949
CSL 0 2,862 2,862
CSU n/a 10,382 10,382
Stanford n/a 14,674 14,674
Other - Non UC n/a 198,838 198,838
_______ ______ _____
268,016 517,407 785,423
Average number of records displayed per hour:
12-2 a.m. 1,005 12-2 p.m. 10,482
2-4 a.m. 623 2-4 p.m. 11,253
4-6 a.m. 652 4-6 p.m. 6,921
6-8 a.m. 1,689 6-8 p.m. 2,956
8-10 a.m. 6,693 8-10 p.m. 2,342
10-12 a.m. 11,298 10-12 p.m. 1,902
Total number of Records Displayed 785,423
Peak hourly load of 24,917 records displayed occurred on 06/12/01 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 37,985 295,168 39.9% 40.9%
TEN 0 0 0.0% 0.0%
PE 3,095 25,141 3.7% 3.3%
ABI 524 1,084 0.6% 0.6%
BIOSIS 3,106 3,808 3.2% 3.3%
CC databases 9,212 94,137 8.8% 9.9%
CC 9,050 79,459 8.6% 9.8%
CCT 162 14,678 0.3% 0.2%
IAC databases 2,616 29,886 3.3% 2.8%
MAGS 2,288 28,405 2.8% 2.5%
NEWS 210 640 0.3% 0.2%
COMP 118 841 0.1% 0.1%
INS databases 2,964 20,821 4.3% 3.2%
INS 2,052 15,701 2.7% 2.2%
INS90 345 2,057 0.6% 0.4%
INS85 227 1,062 0.4% 0.2%
INS80 171 782 0.3% 0.2%
INS69 169 1,219 0.3% 0.2%
MED databases 17,815 159,065 21.2% 19.2%
MED 13,781 138,706 13.9% 14.9%
MED90 1,756 10,282 2.8% 1.9%
MED85 1,009 4,719 1.7% 1.1%
MED80 515 2,312 1.1% 0.6%
MED75 368 1,028 0.9% 0.4%
MED66 386 2,018 0.8% 0.4%
PSYC 3,913 5,366 2.9% 4.2%
OCLC 10,290 13,124 10.6% 11.1%
RLG 933 1,081 1.1% 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) 10 9 19
GEOREF (Stanford) 10 66 76
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 75 137 212
Arizona State University 0 0 0
Boston University 0 1 1
California State Library 0 1 1
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 6 31 37
Cambridge University, England 0 0 0
CARL 0 0 0
CARL Uncover 1 7 8
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 1 1
DIALOG 0 30 30
DRA LC 0 8 8
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 1 1
Harvard 1 5 6
Library of Congress (LOCIS) 0 5 5
Los Angeles Public Library 0 1 1
National Agricultural Library 1 4 5
NLM AIDSDBS 1 3 4
NLM Databases (Medlars) 0 1 1
Northern Regional Lib Facility 64 22 86
New York Public Library 0 1 1
OCEAN Information Center 0 0 0
OCLC Catalog 2 99 101
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 1 1
Rensselaer Polytechnic Institute 0 0 0
RLIN 18 78 96
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 3 45 48
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 51 95 146
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 3 2 5
UCLA ORION 1 5 6
UCSC CRUZCAT 0 1 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 1 2
UCSF Catalog 4 0 4
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 1 1
Univ. of Michigan 0 3 3
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 1 1 2
Weather 0 1 1
WRLC 0 0 0
Yale 2 11 13
Other 1 0 1
_______ ______ _____
Total number of USE commands 257 679 936
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 2.6
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.4
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 611
SAVE SET 625
RECALL SET 14
DELETE/CLEAR SET 58
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,574
1.7.2 REQUEST Commands
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Number of REQUEST Commands 135
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 3 0 3
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
San Francisco 3 0 3
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 0 0
_______ ______ _____
6 1 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 6
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 18
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 06/15/01 3,349
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)