MELVYL SYSTEM TELNET STATISTICS
Time period: 01/26/02 through 02/01/02
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 940 3,992 4,932
Davis 2,567 231 2,798
Irvine 741 0 741
Los Angeles 21 921 942
Riverside 365 259 624
San Diego 474 562 1,036
San Francisco 332 0 332
Santa Barbara 412 324 736
Santa Cruz 218 394 612
NRLF 0 0 0
SRLF 0 0 0
LBL 0 256 256
LLL 0 130 130
Los Alamos 0 5 5
Other - UC 70 385 455
CSL 0 152 152
CSU n/a 185 185
Stanford n/a 67 67
Other - Non UC n/a 6,527 6,527
_______ ______ _____
6,140 14,390 20,530
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 9 12-2 p.m. 50
2-4 a.m. 8 2-4 p.m. 54
4-6 a.m. 8 4-6 p.m. 35
6-8 a.m. 10 6-8 p.m. 13
8-10 a.m. 34 8-10 p.m. 9
10-12 a.m. 56 10-12 p.m. 9
Maximum of active users in a 2 minute interval:
For MELVYL system on 01/28/02 at 10:47:55 total number of users: 99
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2,602 12,494 15,096
Davis 9,750 1,037 10,787
Irvine 3,020 0 3,020
Los Angeles 55 2,583 2,638
Riverside 1,653 930 2,583
San Diego 1,313 1,486 2,799
San Francisco 1,358 0 1,358
Santa Barbara 1,714 981 2,695
Santa Cruz 1,650 1,123 2,773
NRLF 0 0 0
SRLF 0 0 0
LBL 0 453 453
LLL 0 536 536
Los Alamos 0 9 9
Other - UC 61 982 1,043
CSL 0 240 240
CSU n/a 868 868
Stanford n/a 135 135
Other - Non UC n/a 20,946 20,946
_______ ______ _____
23,176 44,803 67,979
Average number of FIND commands per hour:
12-2 a.m. 44 12-2 p.m. 414
2-4 a.m. 28 2-4 p.m. 461
4-6 a.m. 24 4-6 p.m. 275
6-8 a.m. 57 6-8 p.m. 107
8-10 a.m. 240 8-10 p.m. 54
10-12 a.m. 466 10-12 p.m. 55
Total number of FIND commands 67,979
Peak hourly load of 751 FIND commands occurred on 01/30/02 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 26,693 111,394 138,087
Davis 72,770 6,378 79,148
Irvine 30,611 0 30,611
Los Angeles 490 25,355 25,845
Riverside 14,156 12,681 26,837
San Diego 10,049 16,100 26,149
San Francisco 9,028 0 9,028
Santa Barbara 13,439 8,627 22,066
Santa Cruz 6,091 10,551 16,642
NRLF 0 0 0
SRLF 0 0 0
LBL 0 5,413 5,413
LLL 0 4,858 4,858
Los Alamos 0 13 13
Other - UC 692 10,341 11,033
CSL 0 1,998 1,998
CSU n/a 7,446 7,446
Stanford n/a 1,031 1,031
Other - Non UC n/a 168,776 168,776
_______ ______ _____
184,019 390,962 574,981
Average number of records displayed per hour:
12-2 a.m. 794 12-2 p.m. 6,970
2-4 a.m. 847 2-4 p.m. 8,046
4-6 a.m. 346 4-6 p.m. 5,562
6-8 a.m. 1,073 6-8 p.m. 2,307
8-10 a.m. 5,599 8-10 p.m. 1,426
10-12 a.m. 8,360 10-12 p.m. 962
Total number of Records Displayed 574,981
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 42,418 351,267 56.6% 62.4%
TEN 0 0 0.0% 0.0%
PE 3,927 30,101 6.8% 5.8%
ABI 443 485 0.5% 0.7%
BIOSIS 3,839 4,773 5.9% 5.6%
CC databases 7,497 74,280 11.9% 11.0%
CC 7,323 67,716 11.4% 10.8%
CCT 174 6,564 0.5% 0.3%
IAC databases 2,159 23,806 4.4% 3.2%
MAGS 1,983 22,027 3.9% 2.9%
NEWS 133 1,075 0.3% 0.2%
COMP 43 704 0.2% 0.1%
INS databases 2,474 19,856 5.6% 3.6%
INS 1,733 15,921 3.7% 2.5%
INS90 278 1,567 0.8% 0.4%
INS85 206 715 0.5% 0.3%
INS80 132 526 0.4% 0.2%
INS69 125 1,127 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 2,794 4,300 3.6% 4.1%
OCLC 207 151 0.5% 0.3%
RLG 1,858 2,485 3.5% 2.7%
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 79 147 226
Arizona State University 0 0 0
Boston University 0 1 1
California State Library 0 4 4
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 7 1 8
Cambridge University, England 0 2 2
CARL 0 0 0
CARL Uncover 1 1 2
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 2 0 2
Dartmouth College 0 1 1
DIALOG 1 20 21
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 0 0
Harvard 1 4 5
Library of Congress (LOCIS) 0 6 6
Los Angeles Public Library 0 1 1
National Agricultural Library 0 1 1
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 80 26 106
New York Public Library 1 0 1
OCEAN Information Center 0 0 0
OCLC Catalog 0 101 101
OCLC EPIC 0 0 0
Oxford University, England 0 1 1
Princeton 1 1 2
Rensselaer Polytechnic Institute 0 0 0
RLIN 17 43 60
San Francisco State University 0 1 1
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 0 9 9
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 56 98 154
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 2 3
UCLA ORION 0 1 1
UCSC CRUZCAT 0 0 0
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 1 2
UCSF Catalog 0 0 0
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 0 0 0
WRLC 0 0 0
Yale 9 2 11
Other 0 1 1
_______ ______ _____
Total number of USE commands 257 476 733
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 4.3
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 1
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 64
SAVE SET 83
RECALL SET 2
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 816
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 0 2 2
Davis 2 0 2
Irvine 1 0 1
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 2 2
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 0 0
_______ ______ _____
3 4 7
1.7.4 Number of UPDATE commands by Database
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CAT 0
PE 0
TEN 0
CC databases 3
CC 3
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 0
INS 1
PSYC 1
ABI 0
BIOSIS 2
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 10
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 02/01/02 1,789
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)