MELVYL SYSTEM TELNET STATISTICS
Time period: 12/01/01 through 12/07/01
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 1,341 4,965 6,306
Davis 3,383 391 3,774
Irvine 1,006 0 1,006
Los Angeles 28 1,715 1,743
Riverside 565 321 886
San Diego 726 858 1,584
San Francisco 1,253 0 1,253
Santa Barbara 261 438 699
Santa Cruz 205 348 553
NRLF 0 0 0
SRLF 0 0 0
LBL 0 254 254
LLL 0 200 200
Los Alamos 0 10 10
Other - UC 64 545 609
CSL 0 121 121
CSU n/a 196 196
Stanford n/a 124 124
Other - Non UC n/a 6,954 6,954
_______ ______ _____
8,832 17,440 26,272
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 8 12-2 p.m. 57
2-4 a.m. 10 2-4 p.m. 63
4-6 a.m. 8 4-6 p.m. 43
6-8 a.m. 10 6-8 p.m. 18
8-10 a.m. 39 8-10 p.m. 12
10-12 a.m. 61 10-12 p.m. 9
Maximum of active users in a 2 minute interval:
For MELVYL system on 12/05/01 at 10:59:19 total number of users: 109
For MELVYL MEDLINE on 12/04/01 at 12:55:45 total number of users: 17
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 418.80
For Non-UC users (hrs:mins) 11.70
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,777 14,566 18,343
Davis 12,059 1,277 13,336
Irvine 3,449 0 3,449
Los Angeles 90 4,977 5,067
Riverside 1,992 981 2,973
San Diego 2,354 2,225 4,579
San Francisco 3,914 0 3,914
Santa Barbara 1,037 1,108 2,145
Santa Cruz 929 912 1,841
NRLF 0 0 0
SRLF 0 0 0
LBL 0 456 456
LLL 0 520 520
Los Alamos 0 18 18
Other - UC 31 1,350 1,381
CSL 0 144 144
CSU n/a 738 738
Stanford n/a 378 378
Other - Non UC n/a 23,491 23,491
_______ ______ _____
29,632 53,141 82,773
Average number of FIND commands per hour:
12-2 a.m. 49 12-2 p.m. 510
2-4 a.m. 44 2-4 p.m. 539
4-6 a.m. 38 4-6 p.m. 369
6-8 a.m. 67 6-8 p.m. 138
8-10 a.m. 347 8-10 p.m. 102
10-12 a.m. 579 10-12 p.m. 72
Total number of FIND commands 82,773
Peak hourly load of 953 FIND commands occurred on 12/04/01 at 10 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 30,938 125,004 155,942
Davis 110,801 8,024 118,825
Irvine 34,252 0 34,252
Los Angeles 1,354 50,696 52,050
Riverside 17,336 8,554 25,890
San Diego 11,811 31,812 43,623
San Francisco 34,714 0 34,714
Santa Barbara 9,588 13,612 23,200
Santa Cruz 5,231 8,878 14,109
NRLF 0 0 0
SRLF 0 0 0
LBL 0 4,654 4,654
LLL 0 4,389 4,389
Los Alamos 0 101 101
Other - UC 202 12,818 13,020
CSL 0 753 753
CSU n/a 7,777 7,777
Stanford n/a 3,086 3,086
Other - Non UC n/a 185,537 185,537
_______ ______ _____
256,227 465,695 721,922
Average number of records displayed per hour:
12-2 a.m. 983 12-2 p.m. 9,089
2-4 a.m. 1,120 2-4 p.m. 9,683
4-6 a.m. 443 4-6 p.m. 7,835
6-8 a.m. 1,095 6-8 p.m. 3,883
8-10 a.m. 5,744 8-10 p.m. 1,806
10-12 a.m. 8,875 10-12 p.m. 1,405
Total number of Records Displayed 721,922
Peak hourly load of 16,123 records displayed occurred on 12/03/01 at 2 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 40,886 307,096 46.0% 49.4%
TEN 0 0 0.0% 0.0%
PE 3,758 32,654 4.7% 4.5%
ABI 522 1,002 0.7% 0.6%
BIOSIS 3,088 4,166 3.9% 3.7%
CC databases 6,514 65,582 9.5% 7.9%
CC 6,355 60,940 9.2% 7.7%
CCT 159 4,642 0.4% 0.2%
IAC databases 2,661 28,602 3.8% 3.2%
MAGS 2,409 25,661 3.4% 2.9%
NEWS 164 1,920 0.3% 0.2%
COMP 88 1,021 0.1% 0.1%
INS databases 2,341 19,209 4.2% 2.8%
INS 1,652 15,558 2.7% 2.0%
INS90 267 1,523 0.6% 0.3%
INS85 147 600 0.4% 0.2%
INS80 117 471 0.2% 0.1%
INS69 158 1,057 0.3% 0.2%
MED databases 11,570 136,648 15.7% 14.0%
MED 8,716 95,952 11.1% 10.5%
MED90 1,180 11,329 1.9% 1.4%
MED85 661 6,062 1.1% 0.8%
MED80 450 15,588 0.7% 0.5%
MED75 310 4,181 0.4% 0.4%
MED66 253 3,536 0.4% 0.3%
PSYC 3,448 4,268 3.1% 4.2%
OCLC 6,232 8,966 5.9% 7.5%
RLG 1,429 2,006 1.8% 1.7%
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 105 150 255
Arizona State University 0 1 1
Boston University 0 0 0
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 8 11 19
Cambridge University, England 0 1 1
CARL 0 2 2
CARL Uncover 2 6 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 34 34
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 3 3 6
Harvard 0 2 2
Library of Congress (LOCIS) 3 4 7
Los Angeles Public Library 0 0 0
National Agricultural Library 0 2 2
NLM AIDSDBS 0 1 1
NLM Databases (Medlars) 1 2 3
Northern Regional Lib Facility 69 27 96
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 97 97
OCLC EPIC 0 0 0
Oxford University, England 0 2 2
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 35 95 130
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 1 4 5
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 33 105 138
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 3 0 3
UCLA ORION 1 6 7
UCSC CRUZCAT 1 0 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 0 1
UCSF Catalog 0 1 1
Univ. of Hawaii 0 1 1
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 0 0
Weather 0 5 5
WRLC 0 0 0
Yale 5 5 10
Other 0 1 1
_______ ______ _____
Total number of USE commands 272 571 843
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 1.2
1.5 Online Publications
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Current Cites 0
DLA Bulletin 1
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 108
SAVE SET 173
RECALL SET 2
DELETE/CLEAR SET 3
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,114
1.7.2 REQUEST Commands
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Number of REQUEST Commands 107
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 5 0 5
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
San Francisco 5 0 5
Santa Barbara 3 0 3
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 2 2
_______ ______ _____
13 3 16
1.7.4 Number of UPDATE commands by Database
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CAT 4
PE 0
TEN 0
CC databases 3
CC 3
CCT 0
IAC databases 5
MAGS 0
NEWS 5
COMP 0
MED 1
INS 1
PSYC 0
ABI 0
BIOSIS 1
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 12
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 1
Number of REDO UPDATE commands 0
Total number of UPDATEs on 12/07/01 1,912
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)