MELVYL SYSTEM TELNET STATISTICS
Time period: 02/17/01 through 02/23/01
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 1,728 5,885 7,613
Davis 4,128 472 4,600
Irvine 2,190 0 2,190
Los Angeles 456 3,063 3,519
Riverside 950 334 1,284
San Diego 913 1,530 2,443
San Francisco 2,316 0 2,316
Santa Barbara 768 748 1,516
Santa Cruz 594 701 1,295
NRLF 0 0 0
SRLF 15 0 15
LBL 0 432 432
LLL 0 286 286
Los Alamos 0 10 10
Other - UC 37 631 668
CSL 0 148 148
CSU n/a 389 389
Stanford n/a 484 484
Other - Non UC n/a 9,950 9,950
_______ ______ _____
14,095 25,063 39,158
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. 74
2-4 a.m. 11 2-4 p.m. 84
4-6 a.m. 9 4-6 p.m. 59
6-8 a.m. 11 6-8 p.m. 24
8-10 a.m. 43 8-10 p.m. 19
10-12 a.m. 76 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 02/22/01 at 11:14:26 total number of users: 157
For MELVYL MEDLINE on 02/20/01 at 16:28:59 total number of users: 24
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 728.60
For Non-UC users (hrs:mins) 40.93
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 5,089 16,520 21,609
Davis 13,821 1,634 15,455
Irvine 7,673 0 7,673
Los Angeles 1,246 8,816 10,062
Riverside 2,918 1,004 3,922
San Diego 2,814 4,712 7,526
San Francisco 6,603 0 6,603
Santa Barbara 2,405 1,983 4,388
Santa Cruz 2,992 2,261 5,253
NRLF 0 0 0
SRLF 33 0 33
LBL 0 1,015 1,015
LLL 0 1,653 1,653
Los Alamos 0 14 14
Other - UC 41 1,888 1,929
CSL 0 391 391
CSU n/a 1,890 1,890
Stanford n/a 1,640 1,640
Other - Non UC n/a 33,281 33,281
_______ ______ _____
45,635 78,702 124,337
Average number of FIND commands per hour:
12-2 a.m. 70 12-2 p.m. 753
2-4 a.m. 49 2-4 p.m. 865
4-6 a.m. 47 4-6 p.m. 561
6-8 a.m. 107 6-8 p.m. 262
8-10 a.m. 415 8-10 p.m. 165
10-12 a.m. 762 10-12 p.m. 114
Total number of FIND commands 124,337
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 43,362 162,070 205,432
Davis 122,090 8,594 130,684
Irvine 52,310 0 52,310
Los Angeles 13,423 82,676 96,099
Riverside 26,791 13,138 39,929
San Diego 16,613 39,522 56,135
San Francisco 70,500 0 70,500
Santa Barbara 18,897 28,250 47,147
Santa Cruz 15,758 14,832 30,590
NRLF 0 0 0
SRLF 497 0 497
LBL 0 11,219 11,219
LLL 0 14,514 14,514
Los Alamos 0 154 154
Other - UC 606 18,392 18,998
CSL 0 3,021 3,021
CSU n/a 19,686 19,686
Stanford n/a 12,768 12,768
Other - Non UC n/a 252,057 252,057
_______ ______ _____
380,847 680,893 1,061,740
Average number of records displayed per hour:
12-2 a.m. 1,308 12-2 p.m. 13,008
2-4 a.m. 833 2-4 p.m. 15,927
4-6 a.m. 844 4-6 p.m. 11,260
6-8 a.m. 2,284 6-8 p.m. 5,468
8-10 a.m. 7,096 8-10 p.m. 4,062
10-12 a.m. 13,238 10-12 p.m. 1,891
Total number of Records Displayed 1,061,740
Peak hourly load of 24,895 records displayed occurred on 02/20/01 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 52,610 383,313 39.3% 42.3%
TEN 0 0 0.0% 0.0%
PE 4,834 52,078 3.8% 3.9%
ABI 820 1,363 0.7% 0.7%
BIOSIS 4,643 5,806 3.9% 3.7%
CC databases 10,942 101,268 9.4% 8.8%
CC 10,732 91,520 9.0% 8.6%
CCT 210 9,748 0.4% 0.2%
IAC databases 5,417 65,257 5.1% 4.4%
MAGS 4,948 58,366 4.6% 4.0%
NEWS 361 3,802 0.4% 0.3%
COMP 108 3,089 0.1% 0.1%
INS databases 4,199 30,474 4.7% 3.4%
INS 2,897 23,115 3.0% 2.3%
INS90 474 2,721 0.7% 0.4%
INS85 328 1,779 0.5% 0.3%
INS80 239 1,182 0.3% 0.2%
INS69 261 1,677 0.3% 0.2%
MED databases 21,804 214,414 19.9% 17.5%
MED 16,616 187,849 13.2% 13.4%
MED90 2,102 12,317 2.6% 1.7%
MED85 1,139 4,959 1.5% 0.9%
MED80 809 3,307 1.1% 0.7%
MED75 610 2,547 0.8% 0.5%
MED66 528 3,435 0.7% 0.4%
PSYC 5,533 7,850 3.5% 4.4%
OCLC 11,854 16,000 8.4% 9.5%
RLG 1,277 1,301 1.0% 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) 24 32 56
GEOREF (Stanford) 34 120 154
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 106 225 331
Arizona State University 0 0 0
Boston University 0 0 0
California State Library 1 2 3
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 5 7 12
Cambridge University, England 1 1 2
CARL 0 0 0
CARL Uncover 8 17 25
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 1 0 1
Dartmouth College 0 0 0
DIALOG 2 30 32
DRA LC 2 0 2
Earthquake Engineering Abstracts 0 0 0
FS INFO 2 1 3
Harvard 1 1 2
Library of Congress (LOCIS) 3 6 9
Los Angeles Public Library 0 0 0
National Agricultural Library 1 2 3
NLM AIDSDBS 1 1 2
NLM Databases (Medlars) 2 1 3
Northern Regional Lib Facility 73 32 105
New York Public Library 0 6 6
OCEAN Information Center 0 0 0
OCLC Catalog 1 60 61
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 40 89 129
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 4 48 52
SUNY Buffalo (BISON) 2 4 6
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 57 144 201
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 2 3
UCLA ORION 0 0 0
UCSC CRUZCAT 1 0 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 1 1
UCSF Catalog 16 1 17
Univ. of Hawaii 0 0 0
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 1 1
Virginia Polytechnic Institute 0 0 0
Weather 1 35 36
WRLC 0 0 0
Yale 4 4 8
Other 2 0 2
_______ ______ _____
Total number of USE commands 396 873 1,269
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.8
Standard deviation in seconds 4.3
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.9
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 250
SAVE SET 290
RECALL SET 4
DELETE/CLEAR SET 9
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 2,218
1.7.2 REQUEST Commands
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Number of REQUEST Commands 195
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 9 9
Davis 1 0 1
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 1 1
San Francisco 1 0 1
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 0 0
_______ ______ _____
3 11 14
1.7.4 Number of UPDATE commands by Database
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CAT 2
PE 0
TEN 0
CC databases 11
CC 10
CCT 1
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 0
INS 1
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 25
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 02/23/01 3,789
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)