MELVYL SYSTEM TELNET STATISTICS
Time period: 06/23/01 through 06/29/01
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 1,084 4,821 5,905
Davis 3,298 397 3,695
Irvine 1,473 0 1,473
Los Angeles 30 2,082 2,112
Riverside 695 308 1,003
San Diego 702 1,054 1,756
San Francisco 1,655 0 1,655
Santa Barbara 304 493 797
Santa Cruz 385 269 654
NRLF 0 0 0
SRLF 0 0 0
LBL 0 291 291
LLL 0 233 233
Los Alamos 0 5 5
Other - UC 37 451 488
CSL 0 141 141
CSU n/a 212 212
Stanford n/a 354 354
Other - Non UC n/a 9,859 9,859
_______ ______ _____
9,663 20,970 30,633
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 12 12-2 p.m. 58
2-4 a.m. 14 2-4 p.m. 70
4-6 a.m. 11 4-6 p.m. 46
6-8 a.m. 12 6-8 p.m. 20
8-10 a.m. 42 8-10 p.m. 13
10-12 a.m. 67 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 06/27/01 at 11:12:30 total number of users: 116
For MELVYL MEDLINE on 06/26/01 at 12:06:10 total number of users: 23
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 580.13
For Non-UC users (hrs:mins) 33.33
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,257 13,787 17,044
Davis 11,347 1,252 12,599
Irvine 4,755 0 4,755
Los Angeles 107 5,590 5,697
Riverside 2,260 798 3,058
San Diego 2,101 2,775 4,876
San Francisco 4,929 0 4,929
Santa Barbara 748 1,408 2,156
Santa Cruz 1,784 701 2,485
NRLF 0 0 0
SRLF 0 0 0
LBL 0 695 695
LLL 0 1,358 1,358
Los Alamos 0 7 7
Other - UC 42 1,343 1,385
CSL 0 254 254
CSU n/a 995 995
Stanford n/a 1,015 1,015
Other - Non UC n/a 31,579 31,579
_______ ______ _____
31,330 63,557 94,887
Average number of FIND commands per hour:
12-2 a.m. 59 12-2 p.m. 553
2-4 a.m. 53 2-4 p.m. 649
4-6 a.m. 42 4-6 p.m. 372
6-8 a.m. 103 6-8 p.m. 167
8-10 a.m. 366 8-10 p.m. 85
10-12 a.m. 628 10-12 p.m. 59
Total number of FIND commands 94,887
Peak hourly load of 991 FIND commands occurred on 06/25/01 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 28,664 116,742 145,406
Davis 143,702 7,615 151,317
Irvine 34,372 0 34,372
Los Angeles 1,605 55,031 56,636
Riverside 17,906 5,243 23,149
San Diego 14,722 50,472 65,194
San Francisco 44,801 0 44,801
Santa Barbara 6,720 11,013 17,733
Santa Cruz 6,308 7,601 13,909
NRLF 0 0 0
SRLF 0 0 0
LBL 0 8,834 8,834
LLL 0 11,969 11,969
Los Alamos 0 125 125
Other - UC 346 10,728 11,074
CSL 0 2,170 2,170
CSU n/a 9,777 9,777
Stanford n/a 10,097 10,097
Other - Non UC n/a 244,059 244,059
_______ ______ _____
299,146 551,476 850,622
Average number of records displayed per hour:
12-2 a.m. 987 12-2 p.m. 9,559
2-4 a.m. 841 2-4 p.m. 14,846
4-6 a.m. 789 4-6 p.m. 8,477
6-8 a.m. 2,139 6-8 p.m. 3,753
8-10 a.m. 5,579 8-10 p.m. 2,633
10-12 a.m. 11,012 10-12 p.m. 1,410
Total number of Records Displayed 850,622
Peak hourly load of 50,278 records displayed occurred on 06/23/01 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 41,873 324,997 41.1% 44.1%
TEN 0 0 0.0% 0.0%
PE 3,862 29,951 4.5% 4.1%
ABI 506 827 0.6% 0.5%
BIOSIS 2,887 3,930 3.4% 3.0%
CC databases 8,594 74,606 8.9% 9.1%
CC 8,465 66,835 8.6% 8.9%
CCT 129 7,771 0.3% 0.1%
IAC databases 2,390 55,714 2.9% 2.5%
MAGS 2,146 42,413 2.5% 2.3%
NEWS 103 1,093 0.2% 0.1%
COMP 141 12,208 0.2% 0.1%
INS databases 3,636 26,082 5.2% 3.8%
INS 2,379 19,665 3.2% 2.5%
INS90 532 2,106 0.8% 0.6%
INS85 257 1,082 0.5% 0.3%
INS80 224 992 0.4% 0.2%
INS69 244 2,237 0.3% 0.3%
MED databases 15,526 186,390 18.0% 16.4%
MED 12,142 165,383 13.1% 12.8%
MED90 1,587 8,729 2.2% 1.7%
MED85 712 3,214 1.1% 0.8%
MED80 526 3,595 0.8% 0.6%
MED75 298 1,791 0.5% 0.3%
MED66 261 3,678 0.3% 0.3%
PSYC 3,424 4,629 2.8% 3.6%
OCLC 10,916 13,414 11.2% 11.5%
RLG 787 806 0.9% 0.8%
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) 12 27 39
GEOREF (Stanford) 5 83 88
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 62 150 212
Arizona State University 0 1 1
Boston University 0 0 0
California State Library 0 2 2
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 3 55 58
Cambridge University, England 0 1 1
CARL 1 0 1
CARL Uncover 2 11 13
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 0 37 37
DRA LC 0 1 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 2 2
Harvard 0 5 5
Library of Congress (LOCIS) 0 7 7
Los Angeles Public Library 0 1 1
National Agricultural Library 5 4 9
NLM AIDSDBS 0 1 1
NLM Databases (Medlars) 0 2 2
Northern Regional Lib Facility 66 38 104
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 4 81 85
OCLC EPIC 0 0 0
Oxford University, England 0 4 4
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 24 90 114
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 3 48 51
SUNY Buffalo (BISON) 1 0 1
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 34 97 131
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 3 4
UCLA ORION 0 3 3
UCSC CRUZCAT 0 2 2
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 0 0
UCSF Catalog 0 2 2
Univ. of Hawaii 1 1 2
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 3 3
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 1 4 5
WRLC 0 2 2
Yale 3 1 4
Other 0 3 3
_______ ______ _____
Total number of USE commands 228 772 1,000
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.6
Standard deviation in seconds 2.9
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.6
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 229
SAVE SET 219
RECALL SET 5
DELETE/CLEAR SET 10
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,191
1.7.2 REQUEST Commands
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Number of REQUEST Commands 99
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 3 3
Davis 1 0 1
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 2 2
San Francisco 3 0 3
Santa Barbara 0 0 0
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 0 0
_______ ______ _____
4 5 9
1.7.4 Number of UPDATE commands by Database
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CAT 0
PE 0
TEN 0
CC databases 0
CC 0
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 8
INS 0
PSYC 0
ABI 0
BIOSIS 1
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 11
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 06/29/01 3,357
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)