MELVYL SYSTEM TELNET STATISTICS
Time period: 06/08/02 through 06/14/02
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 580 2,611 3,191
Davis 1,428 174 1,602
Irvine 502 0 502
Los Angeles 2 900 902
Riverside 335 170 505
San Diego 389 427 816
San Francisco 303 0 303
Santa Barbara 205 210 415
Santa Cruz 129 215 344
NRLF 0 0 0
SRLF 0 0 0
LBL 0 196 196
LLL 0 76 76
Los Alamos 0 1 1
Other - UC 26 380 406
CSL 0 84 84
CSU n/a 172 172
Stanford n/a 44 44
Other - Non UC n/a 4,059 4,059
_______ ______ _____
3,899 9,719 13,618
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. 36
2-4 a.m. 13 2-4 p.m. 41
4-6 a.m. 11 4-6 p.m. 25
6-8 a.m. 11 6-8 p.m. 10
8-10 a.m. 26 8-10 p.m. 9
10-12 a.m. 40 10-12 p.m. 10
Maximum of active users in a 2 minute interval:
For MELVYL system on 06/12/02 at 15:25:00 total number of users: 73
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1,419 9,194 10,613
Davis 5,053 676 5,729
Irvine 2,056 0 2,056
Los Angeles 27 2,160 2,187
Riverside 1,587 466 2,053
San Diego 1,042 1,181 2,223
San Francisco 946 0 946
Santa Barbara 661 513 1,174
Santa Cruz 1,529 764 2,293
NRLF 0 0 0
SRLF 0 0 0
LBL 0 354 354
LLL 0 179 179
Los Alamos 0 1 1
Other - UC 47 1,584 1,631
CSL 0 165 165
CSU n/a 782 782
Stanford n/a 115 115
Other - Non UC n/a 15,680 15,680
_______ ______ _____
14,367 33,814 48,181
Average number of FIND commands per hour:
12-2 a.m. 46 12-2 p.m. 269
2-4 a.m. 35 2-4 p.m. 314
4-6 a.m. 30 4-6 p.m. 168
6-8 a.m. 57 6-8 p.m. 54
8-10 a.m. 189 8-10 p.m. 47
10-12 a.m. 309 10-12 p.m. 49
Total number of FIND commands 48,181
Peak hourly load of 620 FIND commands occurred on 06/13/02 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 11,020 75,212 86,232
Davis 48,604 4,190 52,794
Irvine 16,201 0 16,201
Los Angeles 909 24,330 25,239
Riverside 9,670 3,668 13,338
San Diego 9,413 11,523 20,936
San Francisco 5,628 0 5,628
Santa Barbara 7,699 5,330 13,029
Santa Cruz 3,738 8,507 12,245
NRLF 0 0 0
SRLF 0 0 0
LBL 0 3,941 3,941
LLL 0 2,187 2,187
Los Alamos 0 24 24
Other - UC 395 10,194 10,589
CSL 0 1,927 1,927
CSU n/a 6,658 6,658
Stanford n/a 520 520
Other - Non UC n/a 119,979 119,979
_______ ______ _____
113,277 278,190 391,467
Average number of records displayed per hour:
12-2 a.m. 719 12-2 p.m. 5,076
2-4 a.m. 504 2-4 p.m. 5,486
4-6 a.m. 264 4-6 p.m. 4,253
6-8 a.m. 898 6-8 p.m. 1,180
8-10 a.m. 3,317 8-10 p.m. 920
10-12 a.m. 5,288 10-12 p.m. 890
Total number of Records Displayed 391,467
Peak hourly load of 15,988 records displayed occurred on 06/11/02 at 4 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 31,188 235,685 60.0% 64.7%
TEN 0 0 0.0% 0.0%
PE 3,441 24,185 6.1% 7.1%
ABI 335 420 0.7% 0.7%
BIOSIS 2,008 2,599 5.4% 4.2%
CC databases 4,685 42,625 11.5% 9.7%
CC 4,628 39,995 11.2% 9.6%
CCT 57 2,630 0.3% 0.1%
IAC databases 1,250 13,213 3.3% 2.6%
MAGS 1,159 12,709 2.9% 2.4%
NEWS 67 192 0.3% 0.1%
COMP 24 312 0.1% 0.0%
INS databases 1,458 12,823 5.3% 3.0%
INS 966 9,478 3.1% 2.0%
INS90 174 1,105 0.8% 0.4%
INS85 93 1,086 0.5% 0.2%
INS80 80 424 0.4% 0.2%
INS69 145 730 0.5% 0.3%
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 2,220 3,060 4.1% 4.6%
OCLC 217 175 0.4% 0.5%
RLG 1,161 1,412 2.5% 2.4%
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 62 88 150
Arizona State University 0 1 1
Boston University 0 0 0
California State Library 0 0 0
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 3 11 14
Cambridge University, England 0 1 1
CARL 0 2 2
CARL Uncover 1 2 3
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 20 20
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 0 0
Harvard 0 1 1
Library of Congress (LOCIS) 1 2 3
Los Angeles Public Library 0 1 1
National Agricultural Library 2 0 2
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 57 23 80
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 39 39
OCLC EPIC 0 0 0
Oxford University, England 0 1 1
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 1 1
RLIN 16 72 88
San Francisco State University 2 0 2
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 1 2 3
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 10 58 68
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 2 1 3
UCLA ORION 0 0 0
UCSC CRUZCAT 0 0 0
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 0 0
UCSF Catalog 0 0 0
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 0 0 0
WRLC 0 0 0
Yale 7 5 12
Other 0 0 0
_______ ______ _____
Total number of USE commands 164 333 497
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 3.1
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.5
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 187
SAVE SET 151
RECALL SET 2
DELETE/CLEAR SET 8
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 465
1.7.2 REQUEST Commands
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Number of REQUEST Commands 42
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 4 4
Davis 1 0 1
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
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 0 0
_______ ______ _____
1 4 5
1.7.4 Number of UPDATE commands by Database
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CAT 0
PE 0
TEN 0
CC databases 4
CC 4
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 7
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 06/14/02 1,675
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)