MELVYL SYSTEM TELNET STATISTICS
Time period: 03/01/02 through 03/31/02
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 4,169 15,687 19,856
Davis 9,231 850 10,081
Irvine 2,854 0 2,854
Los Angeles 63 4,231 4,294
Riverside 1,904 806 2,710
San Diego 1,968 2,340 4,308
San Francisco 1,621 0 1,621
Santa Barbara 1,308 1,258 2,566
Santa Cruz 1,008 1,305 2,313
NRLF 0 0 0
SRLF 0 0 0
LBL 0 848 848
LLL 0 496 496
Los Alamos 0 15 15
Other - UC 146 1,583 1,729
CSL 0 606 606
CSU n/a 833 833
Stanford n/a 245 245
Other - Non UC n/a 25,062 25,062
_______ ______ _____
24,272 56,165 80,437
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. 42
2-4 a.m. 13 2-4 p.m. 48
4-6 a.m. 10 4-6 p.m. 31
6-8 a.m. 9 6-8 p.m. 12
8-10 a.m. 31 8-10 p.m. 10
10-12 a.m. 47 10-12 p.m. 10
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 11,755 49,436 61,191
Davis 34,996 4,387 39,383
Irvine 10,637 0 10,637
Los Angeles 304 11,982 12,286
Riverside 10,519 2,668 13,187
San Diego 6,673 6,038 12,711
San Francisco 6,261 0 6,261
Santa Barbara 4,919 3,392 8,311
Santa Cruz 6,309 4,352 10,661
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1,892 1,892
LLL 0 1,449 1,449
Los Alamos 0 53 53
Other - UC 198 4,309 4,507
CSL 0 1,023 1,023
CSU n/a 3,938 3,938
Stanford n/a 581 581
Other - Non UC n/a 86,625 86,625
_______ ______ _____
92,571 182,125 274,696
Average number of FIND commands per hour:
12-2 a.m. 52 12-2 p.m. 356
2-4 a.m. 49 2-4 p.m. 412
4-6 a.m. 41 4-6 p.m. 269
6-8 a.m. 67 6-8 p.m. 92
8-10 a.m. 243 8-10 p.m. 54
10-12 a.m. 371 10-12 p.m. 57
Total number of FIND commands 274,696
Peak hourly load of 818 FIND commands occurred on 03/11/02 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 99,915 467,158 567,073
Davis 253,138 24,163 277,301
Irvine 117,236 0 117,236
Los Angeles 3,886 120,790 124,676
Riverside 55,969 24,892 80,861
San Diego 50,899 56,388 107,287
San Francisco 96,897 0 96,897
Santa Barbara 49,796 36,912 86,708
Santa Cruz 39,378 41,427 80,805
NRLF 0 0 0
SRLF 0 0 0
LBL 0 26,249 26,249
LLL 0 11,438 11,438
Los Alamos 0 431 431
Other - UC 7,853 49,169 57,022
CSL 0 7,571 7,571
CSU n/a 39,304 39,304
Stanford n/a 4,788 4,788
Other - Non UC n/a 672,065 672,065
_______ ______ _____
774,967 1,582,745 2,357,712
Average number of records displayed per hour:
12-2 a.m. 747 12-2 p.m. 6,974
2-4 a.m. 1,211 2-4 p.m. 7,569
4-6 a.m. 470 4-6 p.m. 5,639
6-8 a.m. 1,069 6-8 p.m. 2,115
8-10 a.m. 4,412 8-10 p.m. 1,301
10-12 a.m. 6,942 10-12 p.m. 1,038
Total number of Records Displayed 2,357,712
Peak hourly load of 21,439 records displayed occurred on 03/27/02 at 1 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 174,886 1,363,374 57.4% 63.7%
TEN 0 0 0.0% 0.0%
PE 15,280 135,419 6.2% 5.6%
ABI 1,761 2,434 0.7% 0.6%
BIOSIS 15,489 19,262 5.9% 5.6%
CC databases 26,606 325,594 11.3% 9.7%
CC 26,013 250,333 10.9% 9.5%
CCT 593 75,261 0.5% 0.2%
IAC databases 9,115 112,420 4.4% 3.3%
MAGS 8,241 104,919 3.9% 3.0%
NEWS 683 5,209 0.4% 0.2%
COMP 191 2,292 0.1% 0.1%
INS databases 9,051 77,058 5.1% 3.3%
INS 6,289 58,519 3.3% 2.3%
INS90 969 5,848 0.7% 0.4%
INS85 617 4,981 0.4% 0.2%
INS80 565 3,076 0.4% 0.2%
INS69 611 4,634 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 11,689 16,358 3.7% 4.3%
OCLC 1,115 865 0.6% 0.4%
RLG 8,085 10,988 3.9% 2.9%
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 368 493 861
Arizona State University 1 2 3
Boston University 1 3 4
California State Library 0 5 5
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 1 1
Cal State Univ., Hayward 56 47 103
Cambridge University, England 2 1 3
CARL 1 5 6
CARL Uncover 10 16 26
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 1 0 1
Dartmouth College 0 1 1
DIALOG 1 99 100
DRA LC 0 1 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 2 1 3
Harvard 5 11 16
Library of Congress (LOCIS) 8 14 22
Los Angeles Public Library 1 4 5
National Agricultural Library 0 2 2
NLM AIDSDBS 0 2 2
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 281 129 410
New York Public Library 0 1 1
OCEAN Information Center 0 0 0
OCLC Catalog 3 330 333
OCLC EPIC 0 0 0
Oxford University, England 4 3 7
Princeton 1 1 2
Rensselaer Polytechnic Institute 0 0 0
RLIN 76 256 332
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 1 1
Stanford University 15 35 50
SUNY Buffalo (BISON) 0 1 1
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 148 435 583
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 8 3 11
UCLA ORION 0 6 6
UCSC CRUZCAT 1 5 6
UCSC INFOSLUG 0 0 0
UCSD ROGER 2 6 8
UCSF Catalog 7 5 12
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 0 0 0
Virginia Polytechnic Institute 0 0 0
Weather 3 6 9
WRLC 0 0 0
Yale 22 7 29
Other 0 3 3
_______ ______ _____
Total number of USE commands 1,028 1,944 2,972
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 4.4
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.3
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 291
SAVE SET 341
RECALL SET 1
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 3,385
1.7.2 REQUEST Commands
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Number of REQUEST Commands 422
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 9 0 9
Irvine 1 0 1
Los Angeles 0 3 3
Riverside 0 0 0
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 0 1 1
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 1 1
Los Alamos 0 0 0
Other - UC 0 1 1
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 0 0
Other - Non UC n/a 0 0
_______ ______ _____
10 11 21
1.7.4 Number of UPDATE commands by Database
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CAT 5
PE 0
TEN 0
CC databases 12
CC 9
CCT 3
IAC databases 1
MAGS 0
NEWS 0
COMP 1
MED 0
INS 0
PSYC 0
ABI 0
BIOSIS 3
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 39
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 1
Number of REDO UPDATE commands 0
Total number of UPDATEs on 03/31/02 1,714
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)