MELVYL SYSTEM TELNET STATISTICS
Time period: 02/02/02 through 02/08/02
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 1,123 4,131 5,254
Davis 2,527 261 2,788
Irvine 703 0 703
Los Angeles 34 944 978
Riverside 524 194 718
San Diego 445 795 1,240
San Francisco 392 0 392
Santa Barbara 420 255 675
Santa Cruz 232 364 596
NRLF 0 0 0
SRLF 0 0 0
LBL 0 337 337
LLL 0 129 129
Los Alamos 0 1 1
Other - UC 37 368 405
CSL 0 190 190
CSU n/a 220 220
Stanford n/a 37 37
Other - Non UC n/a 6,601 6,601
_______ ______ _____
6,437 14,827 21,264
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. 47
2-4 a.m. 14 2-4 p.m. 57
4-6 a.m. 12 4-6 p.m. 34
6-8 a.m. 11 6-8 p.m. 13
8-10 a.m. 34 8-10 p.m. 8
10-12 a.m. 54 10-12 p.m. 11
Maximum of active users in a 2 minute interval:
For MELVYL system on 02/05/02 at 14:55:44 total number of users: 122
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,406 12,752 16,158
Davis 9,952 1,158 11,110
Irvine 2,841 0 2,841
Los Angeles 365 2,695 3,060
Riverside 2,130 589 2,719
San Diego 1,251 1,871 3,122
San Francisco 1,402 0 1,402
Santa Barbara 1,721 674 2,395
Santa Cruz 2,002 866 2,868
NRLF 0 0 0
SRLF 0 0 0
LBL 0 558 558
LLL 0 340 340
Los Alamos 0 3 3
Other - UC 68 1,090 1,158
CSL 0 173 173
CSU n/a 1,148 1,148
Stanford n/a 77 77
Other - Non UC n/a 22,632 22,632
_______ ______ _____
25,138 46,626 71,764
Average number of FIND commands per hour:
12-2 a.m. 48 12-2 p.m. 390
2-4 a.m. 47 2-4 p.m. 520
4-6 a.m. 37 4-6 p.m. 319
6-8 a.m. 62 6-8 p.m. 104
8-10 a.m. 314 8-10 p.m. 58
10-12 a.m. 440 10-12 p.m. 69
Total number of FIND commands 71,764
Peak hourly load of 883 FIND commands occurred on 02/05/02 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 29,810 106,315 136,125
Davis 70,070 8,448 78,518
Irvine 31,065 0 31,065
Los Angeles 943 26,032 26,975
Riverside 17,732 7,565 25,297
San Diego 8,281 18,402 26,683
San Francisco 8,818 0 8,818
Santa Barbara 16,582 7,543 24,125
Santa Cruz 6,792 9,318 16,110
NRLF 0 0 0
SRLF 0 0 0
LBL 0 5,752 5,752
LLL 0 4,425 4,425
Los Alamos 0 2 2
Other - UC 1,010 10,218 11,228
CSL 0 1,314 1,314
CSU n/a 9,274 9,274
Stanford n/a 523 523
Other - Non UC n/a 167,154 167,154
_______ ______ _____
191,103 382,285 573,388
Average number of records displayed per hour:
12-2 a.m. 850 12-2 p.m. 7,343
2-4 a.m. 1,245 2-4 p.m. 8,871
4-6 a.m. 463 4-6 p.m. 5,524
6-8 a.m. 1,191 6-8 p.m. 2,442
8-10 a.m. 4,949 8-10 p.m. 1,204
10-12 a.m. 7,293 10-12 p.m. 1,190
Total number of Records Displayed 573,388
Peak hourly load of 15,330 records displayed occurred on 02/05/02 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 45,908 346,619 56.8% 64.0%
TEN 0 0 0.0% 0.0%
PE 4,327 33,459 6.7% 6.0%
ABI 447 580 0.6% 0.6%
BIOSIS 3,855 4,545 5.7% 5.4%
CC databases 7,477 70,410 11.9% 10.4%
CC 7,305 65,520 11.5% 10.2%
CCT 172 4,890 0.4% 0.2%
IAC databases 2,066 21,977 3.9% 2.9%
MAGS 1,845 19,819 3.5% 2.6%
NEWS 139 983 0.3% 0.2%
COMP 82 1,175 0.1% 0.1%
INS databases 2,552 20,920 5.9% 3.6%
INS 1,767 16,785 3.7% 2.5%
INS90 292 1,608 0.9% 0.4%
INS85 164 782 0.5% 0.2%
INS80 191 1,115 0.5% 0.3%
INS69 138 630 0.3% 0.2%
MED databases 0 0 0.0% 0.0%
MED 0 0 0.0% 0.0%
MED90 0 0 0.0% 0.0%
MED85 0 0 0.0% 0.0%
MED80 0 0 0.0% 0.0%
MED75 0 0 0.0% 0.0%
MED66 0 0 0.0% 0.0%
PSYC 2,581 3,421 3.3% 3.6%
OCLC 74 63 0.1% 0.1%
RLG 2,154 2,817 4.4% 3.0%
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) 0 0 0
GEOREF (Stanford) 0 0 0
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 99 126 225
Arizona State University 0 1 1
Boston University 0 0 0
California State Library 1 3 4
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 6 2 8
Cambridge University, England 0 1 1
CARL 0 0 0
CARL Uncover 1 1 2
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 1 1
Dartmouth College 0 0 0
DIALOG 1 21 22
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 1 1
Harvard 2 2 4
Library of Congress (LOCIS) 3 7 10
Los Angeles Public Library 0 2 2
National Agricultural Library 0 0 0
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 82 38 120
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 121 121
OCLC EPIC 0 0 0
Oxford University, England 0 2 2
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 24 114 138
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 7 10 17
SUNY Buffalo (BISON) 0 0 0
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 56 111 167
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 2 0 2
UCLA ORION 0 0 0
UCSC CRUZCAT 1 2 3
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 0 0
UCSF Catalog 1 0 1
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
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 0 2 2
Virginia Polytechnic Institute 0 0 0
Weather 0 2 2
WRLC 0 0 0
Yale 7 1 8
Other 0 0 0
_______ ______ _____
Total number of USE commands 293 572 865
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 5.8
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.3
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 28
SAVE SET 59
RECALL SET 3
DELETE/CLEAR SET 0
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 901
1.7.2 REQUEST Commands
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Number of REQUEST Commands 79
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 0 0 0
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 3 3
San Francisco 0 0 0
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 2 2
_______ ______ _____
0 6 6
1.7.4 Number of UPDATE commands by Database
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CAT 2
PE 0
TEN 0
CC databases 3
CC 3
CCT 0
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 0
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 13
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 02/08/02 1,749
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)