MELVYL SYSTEM TELNET STATISTICS
Time period: 08/01/01 through 08/31/01
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 4,466 20,938 25,404
Davis 12,926 1,954 14,880
Irvine 6,048 0 6,048
Los Angeles 140 8,310 8,450
Riverside 2,896 1,073 3,969
San Diego 3,166 4,204 7,370
San Francisco 7,967 0 7,967
Santa Barbara 1,233 1,593 2,826
Santa Cruz 2,058 1,720 3,778
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1,227 1,227
LLL 0 678 678
Los Alamos 0 33 33
Other - UC 313 1,848 2,161
CSL 0 583 583
CSU n/a 798 798
Stanford n/a 1,530 1,530
Other - Non UC n/a 41,133 41,133
_______ ______ _____
41,213 87,622 128,835
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 11 12-2 p.m. 56
2-4 a.m. 11 2-4 p.m. 65
4-6 a.m. 10 4-6 p.m. 44
6-8 a.m. 11 6-8 p.m. 16
8-10 a.m. 41 8-10 p.m. 11
10-12 a.m. 60 10-12 p.m. 12
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 2331.10
For Non-UC users (hrs:mins) 127.20
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 12,709 62,636 75,345
Davis 45,624 6,840 52,464
Irvine 19,648 0 19,648
Los Angeles 299 24,565 24,864
Riverside 11,080 2,885 13,965
San Diego 16,544 11,111 27,655
San Francisco 23,923 0 23,923
Santa Barbara 3,818 4,397 8,215
Santa Cruz 11,939 4,708 16,647
NRLF 0 0 0
SRLF 0 0 0
LBL 0 2,726 2,726
LLL 0 4,147 4,147
Los Alamos 0 111 111
Other - UC 447 5,632 6,079
CSL 0 872 872
CSU n/a 2,989 2,989
Stanford n/a 4,552 4,552
Other - Non UC n/a 124,696 124,696
_______ ______ _____
146,031 262,867 408,898
Average number of FIND commands per hour:
12-2 a.m. 66 12-2 p.m. 550
2-4 a.m. 43 2-4 p.m. 654
4-6 a.m. 45 4-6 p.m. 425
6-8 a.m. 94 6-8 p.m. 135
8-10 a.m. 390 8-10 p.m. 85
10-12 a.m. 565 10-12 p.m. 83
Total number of FIND commands 408,898
Peak hourly load of 1,205 FIND commands occurred on 08/21/01 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 106,370 548,027 654,397
Davis 329,971 40,616 370,587
Irvine 149,863 0 149,863
Los Angeles 5,765 228,082 233,847
Riverside 73,832 29,774 103,606
San Diego 67,483 320,564 388,047
San Francisco 251,112 0 251,112
Santa Barbara 34,434 54,906 89,340
Santa Cruz 48,368 44,757 93,125
NRLF 0 0 0
SRLF 0 0 0
LBL 0 34,788 34,788
LLL 0 40,319 40,319
Los Alamos 0 658 658
Other - UC 3,077 50,090 53,167
CSL 0 6,609 6,609
CSU n/a 31,227 31,227
Stanford n/a 38,425 38,425
Other - Non UC n/a 1,660,432 1,660,432
_______ ______ _____
1,070,275 3,129,274 4,199,549
Average number of records displayed per hour:
12-2 a.m. 1,009 12-2 p.m. 12,683
2-4 a.m. 664 2-4 p.m. 14,444
4-6 a.m. 622 4-6 p.m. 12,339
6-8 a.m. 3,768 6-8 p.m. 10,992
8-10 a.m. 7,658 8-10 p.m. 3,952
10-12 a.m. 11,679 10-12 p.m. 1,665
Total number of Records Displayed 4,199,549
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 185,902 2,024,652 41.3% 45.5%
TEN 0 0 0.0% 0.0%
PE 17,831 135,782 5.0% 4.4%
ABI 2,289 3,420 0.6% 0.6%
BIOSIS 13,436 15,852 3.5% 3.3%
CC databases 34,553 292,401 8.7% 8.5%
CC 33,970 272,370 8.4% 8.3%
CCT 583 20,031 0.3% 0.1%
IAC databases 10,384 318,839 2.9% 2.5%
MAGS 8,980 172,735 2.5% 2.2%
NEWS 918 132,386 0.3% 0.2%
COMP 486 13,718 0.1% 0.1%
INS databases 12,964 85,335 4.7% 3.2%
INS 8,517 63,586 2.9% 2.1%
INS90 1,500 7,158 0.6% 0.4%
INS85 1,140 5,569 0.5% 0.3%
INS80 842 3,296 0.4% 0.2%
INS69 965 5,726 0.3% 0.2%
MED databases 67,229 682,154 18.3% 16.4%
MED 52,848 593,041 12.9% 12.9%
MED90 6,511 36,421 2.3% 1.6%
MED85 3,272 16,435 1.3% 0.8%
MED80 2,177 13,303 0.9% 0.5%
MED75 1,251 6,698 0.5% 0.3%
MED66 1,170 16,256 0.4% 0.3%
PSYC 14,688 20,760 2.8% 3.6%
OCLC 44,280 55,525 10.8% 10.8%
RLG 3,781 4,802 1.0% 0.9%
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) 1 9 10
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 375 544 919
Arizona State University 0 8 8
Boston University 0 3 3
California State Library 1 4 5
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 1 1
Cal State Univ., Hayward 32 29 61
Cambridge University, England 0 3 3
CARL 0 5 5
CARL Uncover 3 31 34
Chicano/Latino Net Gopher 0 0 0
Claremont College 1 0 1
Cleveland Free-Net 3 1 4
Dartmouth College 0 0 0
DIALOG 4 183 187
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 3 16 19
Harvard 6 19 25
Library of Congress (LOCIS) 6 18 24
Los Angeles Public Library 0 5 5
National Agricultural Library 5 9 14
NLM AIDSDBS 1 3 4
NLM Databases (Medlars) 1 6 7
Northern Regional Lib Facility 254 159 413
New York Public Library 0 3 3
OCEAN Information Center 0 0 0
OCLC Catalog 4 328 332
OCLC EPIC 0 0 0
Oxford University, England 1 2 3
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 1 1
RLIN 244 299 543
San Francisco State University 1 1 2
San Jose State University 0 2 2
Santa Clara University (OSCAR) 0 1 1
Stanford University 18 264 282
SUNY Buffalo (BISON) 3 8 11
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 159 496 655
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 4 6 10
UCLA ORION 0 1 1
UCSC CRUZCAT 1 5 6
UCSC INFOSLUG 0 0 0
UCSD ROGER 3 5 8
UCSF Catalog 10 3 13
Univ. of Hawaii 1 2 3
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 8 8
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 1 8 9
Virginia Polytechnic Institute 0 3 3
Weather 1 17 18
WRLC 0 0 0
Yale 26 4 30
Other 0 2 2
_______ ______ _____
Total number of USE commands 1,173 2,525 3,696
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 3.9
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 4.0
1.5 Online Publications
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Current Cites 1
DLA Bulletin 0
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 811
SAVE SET 852
RECALL SET 65
DELETE/CLEAR SET 22
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 5,405
1.7.2 REQUEST Commands
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Number of REQUEST Commands 471
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 2 2
Davis 5 0 5
Irvine 0 0 0
Los Angeles 0 3 3
Riverside 0 0 0
San Diego 0 4 4
San Francisco 6 0 6
Santa Barbara 1 0 1
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 1 1
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
_______ ______ _____
12 12 24
1.7.4 Number of UPDATE commands by Database
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CAT 5
PE 0
TEN 0
CC databases 7
CC 5
CCT 2
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 6
INS 0
PSYC 3
ABI 0
BIOSIS 3
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 51
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 4
Number of REDO UPDATE commands 1
Total number of UPDATEs on 08/31/01 3,358
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)