MELVYL SYSTEM TELNET STATISTICS
Time period: 03/09/02 through 03/15/02
1.0 GENERAL STATISTICS (includes all databases)
________________________________________________
1.1 System load
________________
1.1.1 Total sessions:
______________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 1,137 3,904 5,041
Davis 2,357 215 2,572
Irvine 733 0 733
Los Angeles 13 1,090 1,103
Riverside 452 261 713
San Diego 528 538 1,066
San Francisco 378 0 378
Santa Barbara 374 294 668
Santa Cruz 239 340 579
NRLF 0 0 0
SRLF 0 0 0
LBL 0 227 227
LLL 0 121 121
Los Alamos 0 7 7
Other - UC 39 440 479
CSL 0 170 170
CSU n/a 212 212
Stanford n/a 64 64
Other - Non UC n/a 5,963 5,963
_______ ______ _____
6,250 13,846 20,096
1.1.2 Active users
___________________
Average number of active users in a 2 minute interval:
12-2 a.m. 11 12-2 p.m. 46
2-4 a.m. 12 2-4 p.m. 51
4-6 a.m. 10 4-6 p.m. 34
6-8 a.m. 11 6-8 p.m. 13
8-10 a.m. 33 8-10 p.m. 10
10-12 a.m. 51 10-12 p.m. 10
Maximum of active users in a 2 minute interval:
For MELVYL system on 03/11/02 at 10:31:21 total number of users: 97
1.1.3 FIND commands
____________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2,946 12,507 15,453
Davis 8,712 900 9,612
Irvine 2,388 0 2,388
Los Angeles 31 2,876 2,907
Riverside 2,650 762 3,412
San Diego 1,935 1,339 3,274
San Francisco 1,596 0 1,596
Santa Barbara 1,300 782 2,082
Santa Cruz 1,723 1,525 3,248
NRLF 0 0 0
SRLF 0 0 0
LBL 0 449 449
LLL 0 291 291
Los Alamos 0 25 25
Other - UC 56 1,077 1,133
CSL 0 196 196
CSU n/a 1,031 1,031
Stanford n/a 135 135
Other - Non UC n/a 21,217 21,217
_______ ______ _____
23,337 45,112 68,449
Average number of FIND commands per hour:
12-2 a.m. 68 12-2 p.m. 397
2-4 a.m. 55 2-4 p.m. 476
4-6 a.m. 33 4-6 p.m. 316
6-8 a.m. 76 6-8 p.m. 105
8-10 a.m. 254 8-10 p.m. 62
10-12 a.m. 410 10-12 p.m. 66
Total number of FIND commands 68,449
Peak hourly load of 818 FIND commands occurred on 03/11/02 at 3 pm
1.1.4 Records Displayed
________________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 26,072 124,639 150,711
Davis 61,697 5,571 67,268
Irvine 27,848 0 27,848
Los Angeles 118 29,386 29,504
Riverside 14,563 7,257 21,820
San Diego 9,750 11,360 21,110
San Francisco 28,544 0 28,544
Santa Barbara 13,326 8,369 21,695
Santa Cruz 8,777 10,386 19,163
NRLF 0 0 0
SRLF 0 0 0
LBL 0 4,396 4,396
LLL 0 2,369 2,369
Los Alamos 0 234 234
Other - UC 344 12,036 12,380
CSL 0 1,265 1,265
CSU n/a 8,618 8,618
Stanford n/a 842 842
Other - Non UC n/a 162,707 162,707
_______ ______ _____
191,039 389,435 580,474
Average number of records displayed per hour:
12-2 a.m. 843 12-2 p.m. 6,919
2-4 a.m. 1,368 2-4 p.m. 7,854
4-6 a.m. 550 4-6 p.m. 6,810
6-8 a.m. 1,103 6-8 p.m. 2,603
8-10 a.m. 4,698 8-10 p.m. 1,675
10-12 a.m. 7,514 10-12 p.m. 1,166
Total number of Records Displayed 580,474
Peak hourly load of 16,286 records displayed occurred on 03/12/02 at 4 pm
1.2 Relative Use of Databases
______________________________
Number of Number of % of System % of System
Database FIND Commands Records Displayed Sessions Searches
________ _____________ _________________ ___________ ___________
CAT 44,062 333,093 57.4% 64.4%
TEN 0 0 0.0% 0.0%
PE 3,777 32,800 6.0% 5.5%
ABI 505 528 0.7% 0.7%
BIOSIS 3,357 4,714 5.6% 4.9%
CC databases 6,755 86,043 11.7% 9.9%
CC 6,604 65,360 11.2% 9.6%
CCT 151 20,683 0.5% 0.2%
IAC databases 2,404 28,130 4.8% 3.5%
MAGS 2,143 26,537 4.2% 3.1%
NEWS 206 1,335 0.5% 0.3%
COMP 55 258 0.1% 0.1%
INS databases 2,154 16,910 4.8% 3.1%
INS 1,583 13,679 3.3% 2.3%
INS90 223 1,292 0.6% 0.3%
INS85 124 748 0.4% 0.2%
INS80 120 591 0.3% 0.2%
INS69 104 600 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 2,860 3,896 4.0% 4.2%
OCLC 209 187 0.5% 0.3%
RLG 2,018 2,847 3.7% 2.9%
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 99 127 226
Arizona State University 0 0 0
Boston University 0 1 1
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 6 7 13
Cambridge University, England 0 0 0
CARL 0 0 0
CARL Uncover 2 5 7
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 0 25 25
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 0 0
Harvard 2 0 2
Library of Congress (LOCIS) 1 7 8
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 71 27 98
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 89 89
OCLC EPIC 0 0 0
Oxford University, England 0 1 1
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 13 57 70
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 4 8 12
SUNY Buffalo (BISON) 0 0 0
1.3 USE command (continued)
____________________________
Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 46 109 155
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 0 0 0
UCLA ORION 0 3 3
UCSC CRUZCAT 0 3 3
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 1 2
UCSF Catalog 2 2 4
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 0 5
Other 0 1 1
_______ ______ _____
Total number of USE commands 252 477 729
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 3.6
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.1
Standard deviation in seconds 0.3
1.5 Online Publications
________________________
Current Cites 0
DLA Bulletin 0
Mynd of MELVYL 0
1.6 Search SET commands
________________________
FIND SET 24
SAVE SET 51
RECALL SET 0
DELETE/CLEAR SET 0
1.7 Special Commands
____________________
1.7.1 MAIL Commands
___________________
Number of MAIL Commands 812
1.7.2 REQUEST Commands
______________________
Number of REQUEST Commands 80
1.7.3 UPDATE Commands
_____________________
Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 5 5
Davis 3 0 3
Irvine 1 0 1
Los Angeles 0 2 2
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
_______ ______ _____
4 7 11
1.7.4 Number of UPDATE commands by Database
___________________________________________
CAT 0
PE 0
TEN 0
CC databases 11
CC 8
CCT 3
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 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 03/15/02 1,731
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)