MELVYL SYSTEM TELNET STATISTICS
Time period: 06/01/02 through 06/07/02
1.0 GENERAL STATISTICS (includes all databases)
________________________________________________
1.1 System load
________________
1.1.1 Total sessions:
______________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 523 2,589 3,112
Davis 1,776 162 1,938
Irvine 545 0 545
Los Angeles 5 831 836
Riverside 392 199 591
San Diego 457 479 936
San Francisco 338 0 338
Santa Barbara 275 257 532
Santa Cruz 127 250 377
NRLF 0 0 0
SRLF 0 0 0
LBL 0 200 200
LLL 0 80 80
Los Alamos 0 0 0
Other - UC 42 289 331
CSL 0 109 109
CSU n/a 124 124
Stanford n/a 51 51
Other - Non UC n/a 4,330 4,330
_______ ______ _____
4,480 9,950 14,430
1.1.2 Active users
___________________
Average number of active users in a 2 minute interval:
12-2 a.m. 11 12-2 p.m. 37
2-4 a.m. 13 2-4 p.m. 43
4-6 a.m. 11 4-6 p.m. 26
6-8 a.m. 8 6-8 p.m. 10
8-10 a.m. 28 8-10 p.m. 10
10-12 a.m. 40 10-12 p.m. 12
Maximum of active users in a 2 minute interval:
For MELVYL system on 06/04/02 at 10:56:33 total number of users: 83
1.1.3 FIND commands
____________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1,510 8,926 10,436
Davis 6,455 986 7,441
Irvine 2,129 0 2,129
Los Angeles 41 2,690 2,731
Riverside 2,142 554 2,696
San Diego 1,393 1,176 2,569
San Francisco 1,268 0 1,268
Santa Barbara 900 815 1,715
Santa Cruz 731 786 1,517
NRLF 0 0 0
SRLF 0 0 0
LBL 0 395 395
LLL 0 170 170
Los Alamos 0 0 0
Other - UC 39 1,541 1,580
CSL 0 136 136
CSU n/a 932 932
Stanford n/a 126 126
Other - Non UC n/a 17,242 17,242
_______ ______ _____
16,608 36,475 53,083
Average number of FIND commands per hour:
12-2 a.m. 49 12-2 p.m. 301
2-4 a.m. 40 2-4 p.m. 410
4-6 a.m. 26 4-6 p.m. 215
6-8 a.m. 62 6-8 p.m. 52
8-10 a.m. 199 8-10 p.m. 42
10-12 a.m. 308 10-12 p.m. 64
Total number of FIND commands 53,083
Peak hourly load of 714 FIND commands occurred on 06/03/02 at 2 pm
1.1.4 Records Displayed
________________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 13,482 71,460 84,942
Davis 48,785 4,263 53,048
Irvine 15,682 0 15,682
Los Angeles 400 25,948 26,348
Riverside 12,436 5,084 17,520
San Diego 8,355 10,466 18,821
San Francisco 10,572 0 10,572
Santa Barbara 9,133 9,195 18,328
Santa Cruz 4,111 8,581 12,692
NRLF 0 0 0
SRLF 0 0 0
LBL 0 4,136 4,136
LLL 0 1,601 1,601
Los Alamos 0 0 0
Other - UC 337 7,705 8,042
CSL 0 1,064 1,064
CSU n/a 6,214 6,214
Stanford n/a 1,344 1,344
Other - Non UC n/a 127,526 127,526
_______ ______ _____
123,293 284,587 407,880
Average number of records displayed per hour:
12-2 a.m. 500 12-2 p.m. 5,231
2-4 a.m. 793 2-4 p.m. 6,521
4-6 a.m. 256 4-6 p.m. 3,732
6-8 a.m. 728 6-8 p.m. 1,239
8-10 a.m. 3,464 8-10 p.m. 831
10-12 a.m. 5,683 10-12 p.m. 1,070
Total number of Records Displayed 407,880
Peak hourly load of 11,446 records displayed occurred on 06/03/02 at 3 pm
1.2 Relative Use of Databases
______________________________
Number of Number of % of System % of System
Database FIND Commands Records Displayed Sessions Searches
________ _____________ _________________ ___________ ___________
CAT 34,465 241,875 60.2% 64.9%
TEN 0 0 0.0% 0.0%
PE 3,132 20,071 6.1% 5.9%
ABI 364 539 0.7% 0.7%
BIOSIS 2,490 3,023 4.8% 4.7%
CC databases 4,803 45,632 11.2% 9.0%
CC 4,729 41,605 10.8% 8.9%
CCT 74 4,027 0.4% 0.1%
IAC databases 1,351 16,873 3.5% 2.5%
MAGS 1,169 15,247 3.1% 2.2%
NEWS 115 898 0.3% 0.2%
COMP 67 728 0.1% 0.1%
INS databases 1,710 14,080 5.4% 3.2%
INS 1,169 8,851 3.4% 2.2%
INS90 170 1,306 0.7% 0.3%
INS85 144 1,102 0.5% 0.3%
INS80 105 445 0.4% 0.2%
INS69 122 2,376 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 2,950 4,308 4.0% 5.6%
OCLC 257 238 0.5% 0.5%
RLG 1,357 1,762 2.9% 2.6%
1.3 USE command
________________
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 66 109 175
Arizona State University 0 0 0
Boston University 0 0 0
California State Library 0 0 0
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 1 2 3
Cambridge University, England 0 0 0
CARL 0 0 0
CARL Uncover 0 3 3
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 1 1
Cleveland Free-Net 0 0 0
Dartmouth College 2 0 2
DIALOG 0 31 31
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 0 0
Harvard 2 0 2
Library of Congress (LOCIS) 4 5 9
Los Angeles Public Library 0 1 1
National Agricultural Library 0 0 0
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 52 22 74
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 85 85
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 1 0 1
Rensselaer Polytechnic Institute 0 0 0
RLIN 10 63 73
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 1 9 10
SUNY Buffalo (BISON) 0 0 0
1.3 USE command (continued)
____________________________
Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 21 77 98
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 2 2 4
UCLA ORION 0 0 0
UCSC CRUZCAT 1 1 2
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 2 3
UCSF Catalog 0 0 0
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 1 1
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 2 2
WRLC 0 0 0
Yale 5 3 8
Other 0 0 0
_______ ______ _____
Total number of USE commands 169 419 588
1.4 Response time
__________________
Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.6
Standard deviation in seconds 3.2
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.4
1.5 Online Publications
________________________
Current Cites 0
DLA Bulletin 0
Mynd of MELVYL 0
1.6 Search SET commands
________________________
FIND SET 126
SAVE SET 58
RECALL SET 5
DELETE/CLEAR SET 6
1.7 Special Commands
____________________
1.7.1 MAIL Commands
___________________
Number of MAIL Commands 579
1.7.2 REQUEST Commands
______________________
Number of REQUEST Commands 55
1.7.3 UPDATE Commands
_____________________
Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 1 1
Davis 3 0 3
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
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 1 4
1.7.4 Number of UPDATE commands by Database
___________________________________________
CAT 0
PE 0
TEN 0
CC databases 4
CC 4
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 0
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
___________________________
Number of RENEW UPDATE commands 7
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 1
Number of REDO UPDATE commands 0
Total number of UPDATEs on 06/07/02 1,672
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)