MELVYL SYSTEM TELNET STATISTICS
Time period: 02/01/01 through 02/28/01
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 8,132 26,555 34,687
Davis 17,933 1,902 19,835
Irvine 9,101 0 9,101
Los Angeles 1,701 10,849 12,550
Riverside 4,323 1,443 5,766
San Diego 4,135 6,292 10,427
San Francisco 9,474 0 9,474
Santa Barbara 3,297 3,092 6,389
Santa Cruz 2,935 2,654 5,589
NRLF 0 0 0
SRLF 29 0 29
LBL 0 1,784 1,784
LLL 0 1,068 1,068
Los Alamos 0 30 30
Other - UC 176 2,505 2,681
CSL 0 669 669
CSU n/a 1,408 1,408
Stanford n/a 1,920 1,920
Other - Non UC n/a 39,694 39,694
_______ ______ _____
61,236 101,865 163,101
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 9 12-2 p.m. 78
2-4 a.m. 10 2-4 p.m. 88
4-6 a.m. 8 4-6 p.m. 63
6-8 a.m. 11 6-8 p.m. 26
8-10 a.m. 48 8-10 p.m. 18
10-12 a.m. 80 10-12 p.m. 13
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 3013.53
For Non-UC users (hrs:mins) 159.17
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 24,992 73,703 98,695
Davis 59,990 6,198 66,188
Irvine 33,304 0 33,304
Los Angeles 5,149 30,914 36,063
Riverside 14,186 4,406 18,592
San Diego 12,790 17,681 30,471
San Francisco 27,320 0 27,320
Santa Barbara 9,955 8,089 18,044
Santa Cruz 11,652 8,490 20,142
NRLF 0 0 0
SRLF 71 0 71
LBL 0 3,911 3,911
LLL 0 5,687 5,687
Los Alamos 0 72 72
Other - UC 226 7,555 7,781
CSL 0 1,720 1,720
CSU n/a 7,193 7,193
Stanford n/a 5,852 5,852
Other - Non UC n/a 127,481 127,481
_______ ______ _____
199,635 308,952 508,587
Average number of FIND commands per hour:
12-2 a.m. 67 12-2 p.m. 781
2-4 a.m. 45 2-4 p.m. 905
4-6 a.m. 46 4-6 p.m. 608
6-8 a.m. 99 6-8 p.m. 231
8-10 a.m. 441 8-10 p.m. 151
10-12 a.m. 793 10-12 p.m. 113
Total number of FIND commands 508,587
Peak hourly load of 1,481 FIND commands occurred on 02/22/01 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 226,573 777,771 1,004,344
Davis 485,116 35,067 520,183
Irvine 235,597 0 235,597
Los Angeles 50,965 326,814 377,779
Riverside 126,150 49,842 175,992
San Diego 71,401 159,886 231,287
San Francisco 299,889 0 299,889
Santa Barbara 83,529 89,580 173,109
Santa Cruz 70,756 64,676 135,432
NRLF 0 0 0
SRLF 765 0 765
LBL 0 47,193 47,193
LLL 0 58,408 58,408
Los Alamos 0 514 514
Other - UC 2,399 75,782 78,181
CSL 0 14,346 14,346
CSU n/a 73,945 73,945
Stanford n/a 62,342 62,342
Other - Non UC n/a 1,022,622 1,022,622
_______ ______ _____
1,653,140 2,858,788 4,511,928
Average number of records displayed per hour:
12-2 a.m. 1,305 12-2 p.m. 13,854
2-4 a.m. 967 2-4 p.m. 16,387
4-6 a.m. 793 4-6 p.m. 12,054
6-8 a.m. 2,061 6-8 p.m. 5,403
8-10 a.m. 8,441 8-10 p.m. 5,086
10-12 a.m. 14,655 10-12 p.m. 2,274
Total number of Records Displayed 4,511,928
Peak hourly load of 60,355 records displayed occurred on 02/10/01 at 9 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 218,443 1,657,102 40.6% 42.9%
TEN 0 0 0.0% 0.0%
PE 21,109 207,865 3.9% 4.2%
ABI 3,173 4,787 0.7% 0.6%
BIOSIS 18,877 23,003 3.8% 3.7%
CC databases 44,930 476,729 9.4% 8.8%
CC 43,928 395,697 9.0% 8.6%
CCT 1,002 81,032 0.4% 0.2%
IAC databases 20,958 257,743 4.8% 4.1%
MAGS 18,628 227,406 4.2% 3.7%
NEWS 1,776 14,263 0.4% 0.3%
COMP 554 16,074 0.2% 0.1%
INS databases 17,321 135,768 4.9% 3.4%
INS 11,677 103,187 3.0% 2.3%
INS90 2,024 12,130 0.7% 0.4%
INS85 1,501 8,133 0.5% 0.3%
INS80 1,029 4,995 0.4% 0.2%
INS69 1,090 7,323 0.3% 0.2%
MED databases 86,180 858,817 18.7% 16.9%
MED 67,661 753,217 13.1% 13.3%
MED90 8,119 51,457 2.3% 1.6%
MED85 4,191 23,065 1.3% 0.8%
MED80 2,661 13,030 0.9% 0.5%
MED75 1,870 7,989 0.6% 0.4%
MED66 1,678 10,059 0.5% 0.3%
PSYC 22,432 30,907 3.4% 4.4%
OCLC 48,117 66,026 8.3% 9.5%
RLG 5,237 5,705 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) 81 164 245
GEOREF (Stanford) 150 581 731
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 493 818 1,311
Arizona State University 10 6 16
Boston University 1 2 3
California State Library 7 7 14
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 22 32 54
Cambridge University, England 2 3 5
CARL 0 3 3
CARL Uncover 17 54 71
Chicano/Latino Net Gopher 0 0 0
Claremont College 2 3 5
Cleveland Free-Net 4 1 5
Dartmouth College 0 5 5
DIALOG 6 127 133
DRA LC 3 1 4
Earthquake Engineering Abstracts 0 0 0
FS INFO 10 17 27
Harvard 5 14 19
Library of Congress (LOCIS) 10 35 45
Los Angeles Public Library 0 0 0
National Agricultural Library 5 9 14
NLM AIDSDBS 2 5 7
NLM Databases (Medlars) 8 9 17
Northern Regional Lib Facility 356 105 461
New York Public Library 3 15 18
OCEAN Information Center 0 0 0
OCLC Catalog 4 249 253
OCLC EPIC 0 0 0
Oxford University, England 4 6 10
Princeton 0 10 10
Rensselaer Polytechnic Institute 0 0 0
RLIN 178 430 608
San Francisco State University 1 0 1
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 39 218 257
SUNY Buffalo (BISON) 6 11 17
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 328 659 987
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 12 7 19
UCLA ORION 12 6 18
UCSC CRUZCAT 3 4 7
UCSC INFOSLUG 0 0 0
UCSD ROGER 3 9 12
UCSF Catalog 47 1 48
Univ. of Hawaii 1 2 3
Univ. of Tennessee 0 1 1
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 1 9 10
Virginia Polytechnic Institute 0 1 1
Weather 6 55 61
WRLC 1 0 1
Yale 6 49 55
Other 5 2 7
_______ ______ _____
Total number of USE commands 1,854 3,746 5,600
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 4.0
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.0
1.5 Online Publications
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Current Cites 1
DLA Bulletin 5
Mynd of MELVYL 2
1.6 Search SET commands
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FIND SET 860
SAVE SET 1,030
RECALL SET 20
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 8,246
1.7.2 REQUEST Commands
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Number of REQUEST Commands 816
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 14 14
Davis 2 0 2
Irvine 0 0 0
Los Angeles 1 4 5
Riverside 0 0 0
San Diego 0 3 3
San Francisco 12 0 12
Santa Barbara 4 0 4
Santa Cruz 1 0 1
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 3 3
Los Alamos 0 0 0
Other - UC 0 1 1
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 1 1
Other - Non UC n/a 7 7
_______ ______ _____
20 33 53
1.7.4 Number of UPDATE commands by Database
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CAT 6
PE 0
TEN 0
CC databases 22
CC 20
CCT 2
IAC databases 2
MAGS 2
NEWS 0
COMP 0
MED 14
INS 3
PSYC 5
ABI 0
BIOSIS 1
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 105
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 9
Number of REDO UPDATE commands 0
Total number of UPDATEs on 02/28/01 3,750
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)