MELVYL SYSTEM TELNET STATISTICS
Time period: 01/01/02 through 01/31/02
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 3,350 15,576 18,926
Davis 10,696 1,051 11,747
Irvine 3,442 0 3,442
Los Angeles 93 4,676 4,769
Riverside 1,925 980 2,905
San Diego 2,185 3,074 5,259
San Francisco 1,776 0 1,776
Santa Barbara 1,437 1,349 2,786
Santa Cruz 913 1,478 2,391
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1,145 1,145
LLL 0 559 559
Los Alamos 0 19 19
Other - UC 355 1,357 1,712
CSL 0 647 647
CSU n/a 704 704
Stanford n/a 261 261
Other - Non UC n/a 30,279 30,279
_______ ______ _____
26,172 63,155 89,327
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 14 12-2 p.m. 48
2-4 a.m. 14 2-4 p.m. 56
4-6 a.m. 12 4-6 p.m. 36
6-8 a.m. 10 6-8 p.m. 14
8-10 a.m. 34 8-10 p.m. 11
10-12 a.m. 53 10-12 p.m. 13
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 8,589 45,843 54,432
Davis 37,942 5,101 43,043
Irvine 14,072 0 14,072
Los Angeles 382 12,233 12,615
Riverside 7,306 2,955 10,261
San Diego 6,027 7,868 13,895
San Francisco 6,518 0 6,518
Santa Barbara 5,705 3,725 9,430
Santa Cruz 6,413 4,533 10,946
NRLF 0 0 0
SRLF 0 0 0
LBL 0 2,332 2,332
LLL 0 1,752 1,752
Los Alamos 0 62 62
Other - UC 270 4,321 4,591
CSL 0 727 727
CSU n/a 3,024 3,024
Stanford n/a 480 480
Other - Non UC n/a 94,787 94,787
_______ ______ _____
93,224 189,743 282,967
Average number of FIND commands per hour:
12-2 a.m. 49 12-2 p.m. 368
2-4 a.m. 35 2-4 p.m. 414
4-6 a.m. 33 4-6 p.m. 264
6-8 a.m. 58 6-8 p.m. 93
8-10 a.m. 229 8-10 p.m. 55
10-12 a.m. 392 10-12 p.m. 59
Total number of FIND commands 282,967
Peak hourly load of 786 FIND commands occurred on 01/23/02 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 81,302 430,481 511,783
Davis 261,844 34,669 296,513
Irvine 143,166 0 143,166
Los Angeles 4,540 113,362 117,902
Riverside 59,640 30,141 89,781
San Diego 40,224 74,078 114,302
San Francisco 48,221 0 48,221
Santa Barbara 55,110 37,050 92,160
Santa Cruz 26,979 39,553 66,532
NRLF 0 0 0
SRLF 0 0 0
LBL 0 22,489 22,489
LLL 0 19,745 19,745
Los Alamos 0 305 305
Other - UC 2,146 39,097 41,243
CSL 0 6,511 6,511
CSU n/a 25,917 25,917
Stanford n/a 2,938 2,938
Other - Non UC n/a 743,529 743,529
_______ ______ _____
723,172 1,619,865 2,343,037
Average number of records displayed per hour:
12-2 a.m. 758 12-2 p.m. 6,529
2-4 a.m. 1,159 2-4 p.m. 7,543
4-6 a.m. 448 4-6 p.m. 5,099
6-8 a.m. 1,106 6-8 p.m. 2,072
8-10 a.m. 4,565 8-10 p.m. 1,444
10-12 a.m. 7,256 10-12 p.m. 998
Total number of Records Displayed 2,343,037
Peak hourly load of 16,285 records displayed occurred on 01/28/02 at 9 am
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 171,807 1,340,069 56.3% 60.7%
TEN 0 0 0.0% 0.0%
PE 18,621 143,124 6.7% 6.6%
ABI 1,723 2,064 0.6% 0.6%
BIOSIS 16,272 19,775 5.9% 5.8%
CC databases 30,367 316,838 11.8% 10.7%
CC 29,802 289,142 11.4% 10.5%
CCT 565 27,696 0.4% 0.2%
IAC databases 8,451 99,432 3.8% 3.0%
MAGS 7,689 92,957 3.4% 2.7%
NEWS 547 3,402 0.3% 0.2%
COMP 215 3,073 0.1% 0.1%
INS databases 11,637 88,462 6.2% 4.1%
INS 7,793 67,440 3.8% 2.8%
INS90 1,552 8,671 0.9% 0.5%
INS85 884 3,994 0.6% 0.3%
INS80 667 2,832 0.4% 0.2%
INS69 741 5,525 0.4% 0.3%
MED databases 502 4,117 0.2% 0.2%
MED 425 3,660 0.1% 0.2%
MED90 40 349 0.0% 0.0%
MED85 19 38 0.0% 0.0%
MED80 11 21 0.0% 0.0%
MED75 5 11 0.0% 0.0%
MED66 2 38 0.0% 0.0%
PSYC 12,654 18,247 3.5% 4.5%
OCLC 1,166 1,130 0.5% 0.4%
RLG 8,054 10,391 3.7% 2.8%
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) 0 0 0
GEOREF (Stanford) 0 0 0
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 480 710 1,190
Arizona State University 1 1 2
Boston University 0 1 1
California State Library 1 9 10
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 1 1 2
Cal State Univ., Hayward 30 48 78
Cambridge University, England 0 3 3
CARL 1 1 2
CARL Uncover 4 15 19
Chicano/Latino Net Gopher 0 0 0
Claremont College 1 0 1
Cleveland Free-Net 2 1 3
Dartmouth College 0 7 7
DIALOG 7 165 172
DRA LC 1 1 2
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 4 4
Harvard 2 9 11
Library of Congress (LOCIS) 4 22 26
Los Angeles Public Library 0 2 2
National Agricultural Library 0 1 1
NLM AIDSDBS 0 2 2
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 319 114 433
New York Public Library 1 1 2
OCEAN Information Center 0 0 0
OCLC Catalog 5 446 451
OCLC EPIC 0 0 0
Oxford University, England 0 5 5
Princeton 1 2 3
Rensselaer Polytechnic Institute 0 0 0
RLIN 94 327 421
San Francisco State University 0 2 2
San Jose State University 2 0 2
Santa Clara University (OSCAR) 3 0 3
Stanford University 3 45 48
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 171 415 586
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 9 8 17
UCLA ORION 0 3 3
UCSC CRUZCAT 3 6 9
UCSC INFOSLUG 0 0 0
UCSD ROGER 2 8 10
UCSF Catalog 1 4 5
Univ. of Hawaii 0 0 0
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 6 4 10
Virginia Polytechnic Institute 0 1 1
Weather 1 6 7
WRLC 0 0 0
Yale 18 4 22
Other 2 3 5
_______ ______ _____
Total number of USE commands 1,176 2,410 3,584
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.7
Standard deviation in seconds 4.6
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.9
1.5 Online Publications
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Current Cites 0
DLA Bulletin 2
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 241
SAVE SET 334
RECALL SET 18
DELETE/CLEAR SET 3
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 3,553
1.7.2 REQUEST Commands
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Number of REQUEST Commands 364
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 5 5
Davis 6 0 6
Irvine 1 0 1
Los Angeles 0 1 1
Riverside 0 0 0
San Diego 0 9 9
San Francisco 0 0 0
Santa Barbara 3 0 3
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
_______ ______ _____
10 16 26
1.7.4 Number of UPDATE commands by Database
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CAT 3
PE 0
TEN 0
CC databases 9
CC 6
CCT 3
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 0
INS 5
PSYC 1
ABI 0
BIOSIS 7
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 48
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 1
Number of REDO UPDATE commands 0
Total number of UPDATEs on 01/31/02 1,789
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)