MELVYL SYSTEM TELNET STATISTICS
Time period: 04/27/02 through 05/03/02
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 1,091 3,685 4,776
Davis 2,138 202 2,340
Irvine 806 0 806
Los Angeles 12 878 890
Riverside 444 164 608
San Diego 429 585 1,014
San Francisco 358 0 358
Santa Barbara 257 233 490
Santa Cruz 201 287 488
NRLF 0 0 0
SRLF 0 0 0
LBL 0 205 205
LLL 0 132 132
Los Alamos 0 1 1
Other - UC 26 513 539
CSL 0 145 145
CSU n/a 155 155
Stanford n/a 69 69
Other - Non UC n/a 4,587 4,587
_______ ______ _____
5,762 11,841 17,603
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. 41
2-4 a.m. 15 2-4 p.m. 46
4-6 a.m. 12 4-6 p.m. 33
6-8 a.m. 9 6-8 p.m. 12
8-10 a.m. 27 8-10 p.m. 9
10-12 a.m. 44 10-12 p.m. 10
Maximum of active users in a 2 minute interval:
For MELVYL system on 04/29/02 at 14:48:13 total number of users: 80
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,109 11,885 14,994
Davis 7,579 1,031 8,610
Irvine 2,886 0 2,886
Los Angeles 43 2,531 2,574
Riverside 2,644 526 3,170
San Diego 1,150 1,488 2,638
San Francisco 1,373 0 1,373
Santa Barbara 1,349 502 1,851
Santa Cruz 2,185 1,486 3,671
NRLF 0 0 0
SRLF 0 0 0
LBL 0 381 381
LLL 0 343 343
Los Alamos 0 5 5
Other - UC 24 1,219 1,243
CSL 0 205 205
CSU n/a 841 841
Stanford n/a 174 174
Other - Non UC n/a 17,332 17,332
_______ ______ _____
22,342 39,949 62,291
Average number of FIND commands per hour:
12-2 a.m. 25 12-2 p.m. 352
2-4 a.m. 32 2-4 p.m. 411
4-6 a.m. 26 4-6 p.m. 297
6-8 a.m. 60 6-8 p.m. 110
8-10 a.m. 248 8-10 p.m. 87
10-12 a.m. 400 10-12 p.m. 43
Total number of FIND commands 62,291
Peak hourly load of 747 FIND commands occurred on 04/30/02 at 10 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 25,611 107,393 133,004
Davis 51,708 6,427 58,135
Irvine 16,943 0 16,943
Los Angeles 748 20,935 21,683
Riverside 11,219 5,580 16,799
San Diego 6,513 14,398 20,911
San Francisco 12,269 0 12,269
Santa Barbara 11,195 5,021 16,216
Santa Cruz 6,728 7,308 14,036
NRLF 0 0 0
SRLF 0 0 0
LBL 0 6,187 6,187
LLL 0 3,298 3,298
Los Alamos 0 3 3
Other - UC 113 11,805 11,918
CSL 0 1,820 1,820
CSU n/a 8,121 8,121
Stanford n/a 964 964
Other - Non UC n/a 147,647 147,647
_______ ______ _____
143,047 346,907 489,954
Average number of records displayed per hour:
12-2 a.m. 453 12-2 p.m. 6,168
2-4 a.m. 527 2-4 p.m. 6,795
4-6 a.m. 385 4-6 p.m. 5,329
6-8 a.m. 882 6-8 p.m. 2,036
8-10 a.m. 4,038 8-10 p.m. 1,513
10-12 a.m. 6,520 10-12 p.m. 1,574
Total number of Records Displayed 489,954
Peak hourly load of 10,794 records displayed occurred on 04/30/02 at Noon
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 39,842 292,601 57.4% 64.0%
TEN 0 0 0.0% 0.0%
PE 3,948 29,800 6.3% 6.3%
ABI 369 612 0.6% 0.6%
BIOSIS 2,727 3,320 5.2% 4.4%
CC databases 6,275 51,154 11.3% 10.1%
CC 6,137 47,489 10.8% 9.9%
CCT 138 3,665 0.5% 0.2%
IAC databases 2,402 25,912 5.2% 3.9%
MAGS 2,072 22,222 4.4% 3.3%
NEWS 277 3,194 0.6% 0.4%
COMP 53 496 0.1% 0.1%
INS databases 1,866 21,960 5.2% 3.0%
INS 1,316 19,364 3.4% 2.1%
INS90 190 1,012 0.6% 0.3%
INS85 109 319 0.4% 0.2%
INS80 112 556 0.4% 0.2%
INS69 139 709 0.4% 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 2,776 3,366 4.1% 4.5%
OCLC 422 302 0.8% 0.7%
RLG 1,472 1,923 3.4% 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 63 117 180
Arizona State University 0 1 1
Boston University 0 2 2
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 1 7 8
Cambridge University, England 0 0 0
CARL 0 0 0
CARL Uncover 0 8 8
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 27 27
DRA LC 0 1 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 1 1
Harvard 0 2 2
Library of Congress (LOCIS) 0 4 4
Los Angeles Public Library 0 3 3
National Agricultural Library 0 3 3
NLM AIDSDBS 0 2 2
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 78 39 117
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 1 83 84
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 10 46 56
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 4 13 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 37 104 141
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 2 0 2
UCLA ORION 0 0 0
UCSC CRUZCAT 1 0 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 1 2
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 0 0
Weather 1 1 2
WRLC 0 0 0
Yale 4 0 4
Other 0 0 0
_______ ______ _____
Total number of USE commands 203 468 671
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 3.6
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.2
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 72
SAVE SET 80
RECALL SET 0
DELETE/CLEAR SET 2
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 645
1.7.2 REQUEST Commands
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Number of REQUEST Commands 56
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 0 1
Davis 1 0 1
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
San Francisco 2 0 2
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 3 3
_______ ______ _____
4 3 7
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 2
CC 2
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 0
INS 0
PSYC 1
ABI 3
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 05/03/02 1,672
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)