MELVYL SYSTEM TELNET STATISTICS
Time period: 05/01/02 through 05/31/02
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 3,183 13,151 16,334
Davis 8,062 768 8,830
Irvine 2,841 0 2,841
Los Angeles 52 4,074 4,126
Riverside 1,832 692 2,524
San Diego 1,985 2,088 4,073
San Francisco 1,371 0 1,371
Santa Barbara 1,292 950 2,242
Santa Cruz 1,024 1,345 2,369
NRLF 0 0 0
SRLF 0 0 0
LBL 0 899 899
LLL 0 574 574
Los Alamos 0 12 12
Other - UC 119 1,631 1,750
CSL 0 518 518
CSU n/a 612 612
Stanford n/a 238 238
Other - Non UC n/a 17,865 17,865
_______ ______ _____
21,761 45,417 67,178
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 10 12-2 p.m. 38
2-4 a.m. 11 2-4 p.m. 43
4-6 a.m. 9 4-6 p.m. 30
6-8 a.m. 8 6-8 p.m. 12
8-10 a.m. 26 8-10 p.m. 9
10-12 a.m. 42 10-12 p.m. 9
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 9,044 42,050 51,094
Davis 28,789 3,648 32,437
Irvine 10,970 0 10,970
Los Angeles 214 11,636 11,850
Riverside 9,503 2,145 11,648
San Diego 6,465 5,334 11,799
San Francisco 5,461 0 5,461
Santa Barbara 5,878 2,722 8,600
Santa Cruz 10,941 9,893 20,834
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1,842 1,842
LLL 0 1,185 1,185
Los Alamos 0 33 33
Other - UC 211 6,142 6,353
CSL 0 735 735
CSU n/a 2,578 2,578
Stanford n/a 667 667
Other - Non UC n/a 73,030 73,030
_______ ______ _____
87,476 163,640 251,116
Average number of FIND commands per hour:
12-2 a.m. 49 12-2 p.m. 353
2-4 a.m. 37 2-4 p.m. 402
4-6 a.m. 39 4-6 p.m. 265
6-8 a.m. 68 6-8 p.m. 104
8-10 a.m. 220 8-10 p.m. 84
10-12 a.m. 350 10-12 p.m. 78
Total number of FIND commands 251,116
Peak hourly load of 875 FIND commands occurred on 05/13/02 at 1 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 83,757 368,695 452,452
Davis 251,975 23,563 275,538
Irvine 87,134 0 87,134
Los Angeles 2,323 113,958 116,281
Riverside 51,565 19,335 70,900
San Diego 39,014 53,776 92,790
San Francisco 35,454 0 35,454
Santa Barbara 52,494 26,253 78,747
Santa Cruz 47,571 50,332 97,903
NRLF 0 0 0
SRLF 0 0 0
LBL 0 19,958 19,958
LLL 0 12,218 12,218
Los Alamos 0 498 498
Other - UC 957 41,093 42,050
CSL 0 5,903 5,903
CSU n/a 28,829 28,829
Stanford n/a 3,516 3,516
Other - Non UC n/a 529,023 529,023
_______ ______ _____
652,244 1,296,950 1,949,194
Average number of records displayed per hour:
12-2 a.m. 522 12-2 p.m. 5,982
2-4 a.m. 442 2-4 p.m. 6,509
4-6 a.m. 369 4-6 p.m. 4,475
6-8 a.m. 858 6-8 p.m. 1,784
8-10 a.m. 3,569 8-10 p.m. 1,202
10-12 a.m. 5,700 10-12 p.m. 968
Total number of Records Displayed 1,949,194
Peak hourly load of 14,263 records displayed occurred on 05/11/02 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 168,020 1,163,607 60.6% 66.9%
TEN 0 0 0.0% 0.0%
PE 14,980 111,028 5.8% 6.0%
ABI 1,561 2,261 0.6% 0.6%
BIOSIS 10,177 12,937 4.9% 4.1%
CC databases 22,603 218,214 11.0% 9.0%
CC 22,072 198,175 10.5% 8.8%
CCT 531 20,039 0.5% 0.2%
IAC databases 7,296 85,202 4.3% 2.9%
MAGS 6,532 79,231 3.7% 2.6%
NEWS 538 4,706 0.4% 0.2%
COMP 226 1,265 0.1% 0.1%
INS databases 7,117 70,415 5.0% 2.8%
INS 5,135 58,603 3.3% 2.0%
INS90 718 4,084 0.6% 0.3%
INS85 512 2,536 0.4% 0.2%
INS80 347 1,756 0.3% 0.1%
INS69 405 3,436 0.3% 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 11,138 16,263 4.2% 4.4%
OCLC 1,352 1,028 0.6% 0.5%
RLG 6,097 8,125 2.6% 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 292 535 827
Arizona State University 0 2 2
Boston University 1 2 3
California State Library 1 3 4
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 5 26 31
Cambridge University, England 0 3 3
CARL 0 0 0
CARL Uncover 9 14 23
Chicano/Latino Net Gopher 0 0 0
Claremont College 1 0 1
Cleveland Free-Net 0 0 0
Dartmouth College 2 3 5
DIALOG 4 95 99
DRA LC 0 1 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 1 1
Harvard 5 11 16
Library of Congress (LOCIS) 7 24 31
Los Angeles Public Library 2 3 5
National Agricultural Library 0 1 1
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 221 139 360
New York Public Library 0 2 2
OCEAN Information Center 0 0 0
OCLC Catalog 0 307 307
OCLC EPIC 0 0 0
Oxford University, England 0 3 3
Princeton 0 3 3
Rensselaer Polytechnic Institute 0 0 0
RLIN 77 261 338
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 10 23 33
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 144 381 525
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 2 5 7
UCLA ORION 0 3 3
UCSC CRUZCAT 3 2 5
UCSC INFOSLUG 0 0 0
UCSD ROGER 4 2 6
UCSF Catalog 6 1 7
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 1 1 2
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 2 2
Virginia Polytechnic Institute 0 0 0
Weather 1 2 3
WRLC 1 0 1
Yale 23 5 28
Other 0 1 1
_______ ______ _____
Total number of USE commands 822 1,868 2,690
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 0.8
1.5 Online Publications
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Current Cites 0
DLA Bulletin 1
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 297
SAVE SET 306
RECALL SET 1
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 3,281
1.7.2 REQUEST Commands
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Number of REQUEST Commands 312
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 22 23
Davis 1 0 1
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 1 0 1
San Francisco 6 0 6
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
_______ ______ _____
9 22 31
1.7.4 Number of UPDATE commands by Database
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CAT 6
PE 0
TEN 0
CC databases 21
CC 20
CCT 1
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 0
INS 0
PSYC 0
ABI 1
BIOSIS 2
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 36
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 1
Number of REDO UPDATE commands 0
Total number of UPDATEs on 05/31/02 1,677
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)