MELVYL SYSTEM TELNET STATISTICS
Time period: 04/20/02 through 04/26/02
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 1,241 3,541 4,782
Davis 2,065 235 2,300
Irvine 762 0 762
Los Angeles 13 916 929
Riverside 483 282 765
San Diego 538 435 973
San Francisco 373 0 373
Santa Barbara 326 289 615
Santa Cruz 221 270 491
NRLF 0 0 0
SRLF 0 0 0
LBL 0 175 175
LLL 0 158 158
Los Alamos 0 3 3
Other - UC 24 475 499
CSL 0 120 120
CSU n/a 209 209
Stanford n/a 70 70
Other - Non UC n/a 5,306 5,306
_______ ______ _____
6,046 12,484 18,530
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. 44
2-4 a.m. 13 2-4 p.m. 50
4-6 a.m. 11 4-6 p.m. 31
6-8 a.m. 10 6-8 p.m. 10
8-10 a.m. 33 8-10 p.m. 9
10-12 a.m. 52 10-12 p.m. 10
Maximum of active users in a 2 minute interval:
For MELVYL system on 04/22/02 at 11:41:55 total number of users: 94
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,532 10,780 14,312
Davis 8,525 984 9,509
Irvine 2,907 0 2,907
Los Angeles 58 2,413 2,471
Riverside 2,914 964 3,878
San Diego 1,412 1,442 2,854
San Francisco 1,418 0 1,418
Santa Barbara 1,450 820 2,270
Santa Cruz 1,109 1,211 2,320
NRLF 0 0 0
SRLF 0 0 0
LBL 0 362 362
LLL 0 422 422
Los Alamos 0 6 6
Other - UC 34 1,338 1,372
CSL 0 115 115
CSU n/a 1,064 1,064
Stanford n/a 179 179
Other - Non UC n/a 18,312 18,312
_______ ______ _____
23,359 40,412 63,771
Average number of FIND commands per hour:
12-2 a.m. 52 12-2 p.m. 398
2-4 a.m. 37 2-4 p.m. 419
4-6 a.m. 37 4-6 p.m. 275
6-8 a.m. 74 6-8 p.m. 91
8-10 a.m. 245 8-10 p.m. 47
10-12 a.m. 394 10-12 p.m. 58
Total number of FIND commands 63,771
Peak hourly load of 692 FIND commands occurred on 04/22/02 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 35,086 96,397 131,483
Davis 56,054 5,245 61,299
Irvine 19,405 0 19,405
Los Angeles 567 26,553 27,120
Riverside 14,642 6,529 21,171
San Diego 7,494 11,162 18,656
San Francisco 14,124 0 14,124
Santa Barbara 15,246 7,124 22,370
Santa Cruz 3,903 6,479 10,382
NRLF 0 0 0
SRLF 0 0 0
LBL 0 5,021 5,021
LLL 0 9,306 9,306
Los Alamos 0 52 52
Other - UC 321 15,152 15,473
CSL 0 813 813
CSU n/a 8,962 8,962
Stanford n/a 832 832
Other - Non UC n/a 144,108 144,108
_______ ______ _____
166,842 343,735 510,577
Average number of records displayed per hour:
12-2 a.m. 639 12-2 p.m. 6,236
2-4 a.m. 515 2-4 p.m. 7,503
4-6 a.m. 385 4-6 p.m. 5,199
6-8 a.m. 913 6-8 p.m. 2,026
8-10 a.m. 4,243 8-10 p.m. 1,408
10-12 a.m. 7,601 10-12 p.m. 1,149
Total number of Records Displayed 510,577
Peak hourly load of 12,816 records displayed occurred on 04/23/02 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 40,385 310,339 56.8% 63.3%
TEN 0 0 0.0% 0.0%
PE 3,889 31,235 6.8% 6.1%
ABI 372 418 0.6% 0.6%
BIOSIS 2,757 3,256 5.0% 4.3%
CC databases 6,013 55,601 11.0% 9.4%
CC 5,938 52,574 10.5% 9.3%
CCT 75 3,027 0.4% 0.1%
IAC databases 2,216 26,742 4.6% 3.5%
MAGS 1,947 20,094 4.0% 3.1%
NEWS 196 2,106 0.5% 0.3%
COMP 73 4,542 0.2% 0.1%
INS databases 2,450 15,451 5.8% 3.8%
INS 1,452 10,831 3.4% 2.3%
INS90 392 1,579 0.8% 0.6%
INS85 174 873 0.5% 0.3%
INS80 207 769 0.5% 0.3%
INS69 225 1,399 0.5% 0.4%
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 3,076 4,118 4.1% 4.8%
OCLC 352 238 0.7% 0.6%
RLG 2,021 2,710 3.9% 3.2%
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 70 132 202
Arizona State University 0 0 0
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 5 8 13
Cambridge University, England 0 1 1
CARL 0 1 1
CARL Uncover 3 2 5
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 30 30
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 0 0
Harvard 2 0 2
Library of Congress (LOCIS) 1 3 4
Los Angeles Public Library 0 1 1
National Agricultural Library 0 0 0
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 80 22 102
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 75 75
OCLC EPIC 0 0 0
Oxford University, England 2 1 3
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 12 37 49
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 0 2 2
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 30 98 128
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 3 1 4
UCLA ORION 0 0 0
UCSC CRUZCAT 1 1 2
UCSC INFOSLUG 0 0 0
UCSD ROGER 3 1 4
UCSF Catalog 0 1 1
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 0 0
Virginia Polytechnic Institute 0 1 1
Weather 0 0 0
WRLC 0 0 0
Yale 7 0 7
Other 0 0 0
_______ ______ _____
Total number of USE commands 219 419 638
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 3.5
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 0
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 81
SAVE SET 63
RECALL SET 0
DELETE/CLEAR SET 1
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 832
1.7.2 REQUEST Commands
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Number of REQUEST Commands 46
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 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 1 1
_______ ______ _____
0 2 2
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 1
CC 1
CCT 0
IAC databases 0
MAGS 0
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 9
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 04/26/02 1,683
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)