MELVYL SYSTEM TELNET STATISTICS
Time period: 06/01/00 through 06/30/00
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 7,566 27,200 34,766
Davis 18,021 3,208 21,229
Irvine 10,244 0 10,244
Los Angeles 5,659 13,364 19,023
Riverside 5,177 2,047 7,224
San Diego 4,603 7,788 12,391
San Francisco 12,786 0 12,786
Santa Barbara 3,683 4,827 8,510
Santa Cruz 3,212 2,435 5,647
NRLF 0 0 0
SRLF 11 0 11
LBL 0 2,371 2,371
LLL 0 1,303 1,303
Los Alamos 0 30 30
Other - UC 334 2,203 2,537
CSL 0 785 785
CSU n/a 1,174 1,174
Stanford n/a 2,514 2,514
Other - Non UC n/a 41,484 41,484
_______ ______ _____
71,296 112,733 184,029
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. 85
2-4 a.m. 11 2-4 p.m. 98
4-6 a.m. 9 4-6 p.m. 66
6-8 a.m. 12 6-8 p.m. 27
8-10 a.m. 53 8-10 p.m. 18
10-12 a.m. 93 10-12 p.m. 16
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 4158.53
For Non-UC users (hrs:mins) 251.57
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 24,753 79,108 103,861
Davis 56,915 10,967 67,882
Irvine 31,937 0 31,937
Los Angeles 17,147 38,258 55,405
Riverside 18,086 5,394 23,480
San Diego 13,509 20,326 33,835
San Francisco 37,093 0 37,093
Santa Barbara 11,740 14,827 26,567
Santa Cruz 12,101 7,183 19,284
NRLF 0 0 0
SRLF 20 0 20
LBL 0 6,336 6,336
LLL 0 6,090 6,090
Los Alamos 0 103 103
Other - UC 498 6,342 6,840
CSL 0 2,517 2,517
CSU n/a 4,998 4,998
Stanford n/a 7,708 7,708
Other - Non UC n/a 148,739 148,739
_______ ______ _____
223,799 358,896 582,695
Average number of FIND commands per hour:
12-2 a.m. 93 12-2 p.m. 822
2-4 a.m. 75 2-4 p.m. 966
4-6 a.m. 64 4-6 p.m. 626
6-8 a.m. 116 6-8 p.m. 227
8-10 a.m. 519 8-10 p.m. 150
10-12 a.m. 897 10-12 p.m. 126
Total number of FIND commands 582,695
Peak hourly load of 1,757 FIND commands occurred on 06/05/00 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 213,955 738,684 952,639
Davis 517,957 65,758 583,715
Irvine 257,294 0 257,294
Los Angeles 142,944 408,712 551,656
Riverside 144,083 55,909 199,992
San Diego 86,654 182,591 269,245
San Francisco 382,823 0 382,823
Santa Barbara 122,095 147,520 269,615
Santa Cruz 92,112 62,766 154,878
NRLF 0 0 0
SRLF 239 0 239
LBL 0 65,293 65,293
LLL 0 61,206 61,206
Los Alamos 0 770 770
Other - UC 4,712 63,262 67,974
CSL 0 14,528 14,528
CSU n/a 49,065 49,065
Stanford n/a 65,123 65,123
Other - Non UC n/a 1,143,854 1,143,854
_______ ______ _____
1,964,868 3,125,041 5,089,909
Average number of records displayed per hour:
12-2 a.m. 1,660 12-2 p.m. 15,792
2-4 a.m. 1,092 2-4 p.m. 17,929
4-6 a.m. 943 4-6 p.m. 12,185
6-8 a.m. 2,233 6-8 p.m. 5,087
8-10 a.m. 9,146 8-10 p.m. 3,503
10-12 a.m. 15,722 10-12 p.m. 2,608
Total number of Records Displayed 5,089,909
Peak hourly load of 31,047 records displayed occurred on 06/05/00 at 1 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 244,876 1,915,527 40.1% 42.0%
TEN 0 0 0.0% 0.0%
PE 17,723 158,521 3.1% 3.0%
ABI 3,779 7,148 0.7% 0.6%
BIOSIS 19,467 24,641 3.5% 3.3%
CC databases 52,652 478,396 9.4% 9.0%
CC 51,797 447,553 9.0% 8.9%
CCT 855 30,843 0.4% 0.1%
IAC databases 26,722 307,699 4.7% 4.6%
MAGS 23,483 278,308 4.0% 4.0%
NEWS 2,284 17,352 0.5% 0.4%
COMP 955 12,039 0.2% 0.2%
INS databases 21,783 181,810 5.2% 3.7%
INS 14,391 133,709 3.1% 2.5%
INS90 2,596 17,945 0.8% 0.4%
INS85 1,903 10,974 0.6% 0.3%
INS80 1,337 6,649 0.4% 0.2%
INS69 1,556 12,533 0.4% 0.3%
MED databases 115,014 1,166,130 21.6% 19.7%
MED 89,271 994,201 15.1% 15.3%
MED90 12,601 85,011 3.0% 2.2%
MED85 5,968 39,404 1.6% 1.0%
MED80 3,365 22,763 0.9% 0.6%
MED75 2,117 14,514 0.6% 0.4%
MED66 1,692 10,237 0.4% 0.3%
PSYC 21,398 33,366 3.0% 3.7%
OCLC 50,667 63,131 7.0% 8.7%
RLG 6,284 7,308 1.0% 1.1%
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) 89 117 206
GEOREF (Stanford) 115 454 569
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 315 584 899
Arizona State University 1 8 9
Boston University 1 6 7
California State Library 2 26 28
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 2 1 3
Cal State Univ., Hayward 24 75 99
Cambridge University, England 2 9 11
CARL 2 11 13
CARL Uncover 17 63 80
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 3 3
Cleveland Free-Net 1 5 6
Dartmouth College 1 8 9
DIALOG 21 147 168
DRA LC 44 8 52
Earthquake Engineering Abstracts 0 0 0
FS INFO 2 30 32
Harvard 29 40 69
Library of Congress (LOCIS) 15 34 49
Los Angeles Public Library 0 7 7
National Agricultural Library 17 15 32
NLM AIDSDBS 7 6 13
NLM Databases (Medlars) 78 17 95
Northern Regional Lib Facility 504 126 630
New York Public Library 4 7 11
OCEAN Information Center 0 0 0
OCLC Catalog 4 384 388
OCLC EPIC 0 5 5
Oxford University, England 3 12 15
Princeton 14 2 16
Rensselaer Polytechnic Institute 0 0 0
RLIN 251 488 739
San Francisco State University 0 3 3
San Jose State University 1 3 4
Santa Clara University (OSCAR) 0 1 1
Stanford University 25 417 442
SUNY Buffalo (BISON) 3 16 19
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 293 551 844
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 17 14 31
UCLA ORION 3 17 20
UCSC CRUZCAT 8 17 25
UCSC INFOSLUG 0 0 0
UCSD ROGER 4 24 28
UCSF Catalog 28 6 34
Univ. of Hawaii 2 3 5
Univ. of Tennessee 0 2 2
Univ. of Michigan 1 12 13
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 1 7 8
Virginia Polytechnic Institute 1 3 4
Weather 8 10 18
WRLC 0 2 2
Yale 57 17 74
Other 10 14 24
_______ ______ _____
Total number of USE commands 2,027 3,837 5,860
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.9
Standard deviation in seconds 4.4
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.7
1.5 Online Publications
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Current Cites 0
DLA Bulletin 3
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 1,134
SAVE SET 1,320
RECALL SET 20
DELETE/CLEAR SET 24
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 10,602
1.7.2 REQUEST Commands
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Number of REQUEST Commands 1,081
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2 2 4
Davis 2 0 2
Irvine 1 0 1
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
San Francisco 6 0 6
Santa Barbara 1 1 2
Santa Cruz 0 1 1
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 0 0
Los Alamos 0 0 0
Other - UC 0 2 2
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 0 0
Other - Non UC n/a 4 4
_______ ______ _____
12 10 22
1.7.4 Number of UPDATE commands by Database
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CAT 6
PE 0
TEN 0
CC databases 6
CC 4
CCT 2
IAC databases 2
MAGS 1
NEWS 1
COMP 0
MED 7
INS 1
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 131
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 3
Number of REDO UPDATE commands 0
Total number of UPDATEs on 06/30/00 5,020
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)