MELVYL SYSTEM TELNET STATISTICS
Time period: 05/11/02 through 05/17/02
1.0 GENERAL STATISTICS (includes all databases)
________________________________________________
1.1 System load
________________
1.1.1 Total sessions:
______________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 708 3,241 3,949
Davis 1,789 122 1,911
Irvine 684 0 684
Los Angeles 12 968 980
Riverside 392 137 529
San Diego 466 517 983
San Francisco 279 0 279
Santa Barbara 325 220 545
Santa Cruz 244 353 597
NRLF 0 0 0
SRLF 0 0 0
LBL 0 171 171
LLL 0 152 152
Los Alamos 0 3 3
Other - UC 17 408 425
CSL 0 121 121
CSU n/a 159 159
Stanford n/a 58 58
Other - Non UC n/a 4,304 4,304
_______ ______ _____
4,916 10,934 15,850
1.1.2 Active users
___________________
Average number of active users in a 2 minute interval:
12-2 a.m. 10 12-2 p.m. 40
2-4 a.m. 13 2-4 p.m. 45
4-6 a.m. 9 4-6 p.m. 33
6-8 a.m. 8 6-8 p.m. 13
8-10 a.m. 26 8-10 p.m. 9
10-12 a.m. 45 10-12 p.m. 10
Maximum of active users in a 2 minute interval:
For MELVYL system on 05/13/02 at 15:51:11 total number of users: 80
1.1.3 FIND commands
____________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1,883 10,598 12,481
Davis 6,263 529 6,792
Irvine 2,720 0 2,720
Los Angeles 46 2,885 2,931
Riverside 2,069 456 2,525
San Diego 1,592 1,207 2,799
San Francisco 1,188 0 1,188
Santa Barbara 1,393 536 1,929
Santa Cruz 3,392 2,933 6,325
NRLF 0 0 0
SRLF 0 0 0
LBL 0 408 408
LLL 0 275 275
Los Alamos 0 12 12
Other - UC 32 1,238 1,270
CSL 0 226 226
CSU n/a 583 583
Stanford n/a 197 197
Other - Non UC n/a 18,488 18,488
_______ ______ _____
20,578 40,571 61,149
Average number of FIND commands per hour:
12-2 a.m. 36 12-2 p.m. 386
2-4 a.m. 40 2-4 p.m. 436
4-6 a.m. 58 4-6 p.m. 307
6-8 a.m. 93 6-8 p.m. 124
8-10 a.m. 244 8-10 p.m. 84
10-12 a.m. 374 10-12 p.m. 82
Total number of FIND commands 61,149
Peak hourly load of 875 FIND commands occurred on 05/13/02 at 1 pm
1.1.4 Records Displayed
________________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 17,084 90,946 108,030
Davis 73,282 2,918 76,200
Irvine 20,107 0 20,107
Los Angeles 475 28,138 28,613
Riverside 10,680 2,797 13,477
San Diego 9,061 13,464 22,525
San Francisco 6,288 0 6,288
Santa Barbara 10,808 4,468 15,276
Santa Cruz 8,782 16,829 25,611
NRLF 0 0 0
SRLF 0 0 0
LBL 0 3,586 3,586
LLL 0 2,045 2,045
Los Alamos 0 102 102
Other - UC 97 12,648 12,745
CSL 0 1,957 1,957
CSU n/a 5,950 5,950
Stanford n/a 1,003 1,003
Other - Non UC n/a 130,470 130,470
_______ ______ _____
156,664 317,321 473,985
Average number of records displayed per hour:
12-2 a.m. 401 12-2 p.m. 7,502
2-4 a.m. 452 2-4 p.m. 6,223
4-6 a.m. 419 4-6 p.m. 4,681
6-8 a.m. 1,038 6-8 p.m. 1,991
8-10 a.m. 3,452 8-10 p.m. 1,463
10-12 a.m. 5,937 10-12 p.m. 1,259
Total number of Records Displayed 473,985
Peak hourly load of 14,263 records displayed occurred on 05/11/02 at Noon
1.2 Relative Use of Databases
______________________________
Number of Number of % of System % of System
Database FIND Commands Records Displayed Sessions Searches
________ _____________ _________________ ___________ ___________
CAT 41,792 278,001 61.1% 68.3%
TEN 0 0 0.0% 0.0%
PE 3,316 22,434 5.7% 5.4%
ABI 451 684 0.6% 0.7%
BIOSIS 2,383 2,933 4.6% 3.9%
CC databases 5,461 52,636 10.6% 8.9%
CC 5,349 49,098 10.2% 8.7%
CCT 112 3,538 0.4% 0.2%
IAC databases 1,665 20,376 4.5% 2.7%
MAGS 1,519 19,185 4.1% 2.5%
NEWS 97 948 0.3% 0.2%
COMP 49 243 0.1% 0.1%
INS databases 1,652 13,565 5.0% 2.7%
INS 1,211 10,638 3.3% 2.0%
INS90 179 1,084 0.7% 0.3%
INS85 103 635 0.4% 0.2%
INS80 70 400 0.3% 0.1%
INS69 89 808 0.3% 0.1%
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 2,493 3,481 4.3% 4.1%
OCLC 256 242 0.5% 0.4%
RLG 1,474 1,942 2.7% 2.4%
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 68 130 198
Arizona State University 0 0 0
Boston University 0 0 0
California State Library 1 2 3
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 2 3 5
Cambridge University, England 0 1 1
CARL 0 0 0
CARL Uncover 1 1 2
Chicano/Latino Net Gopher 0 0 0
Claremont College 1 0 1
Cleveland Free-Net 0 0 0
Dartmouth College 1 0 1
DIALOG 0 27 27
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 0 0
Harvard 4 7 11
Library of Congress (LOCIS) 2 5 7
Los Angeles Public Library 0 0 0
National Agricultural Library 0 0 0
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 45 20 65
New York Public Library 0 2 2
OCEAN Information Center 0 0 0
OCLC Catalog 0 75 75
OCLC EPIC 0 0 0
Oxford University, England 0 2 2
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 15 91 106
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 4 3 7
SUNY Buffalo (BISON) 0 0 0
1.3 USE command (continued)
____________________________
Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 30 99 129
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 0 2 2
UCLA ORION 0 0 0
UCSC CRUZCAT 0 1 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 0 1
UCSF Catalog 1 0 1
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 1 0 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 0 0
WRLC 0 0 0
Yale 7 1 8
Other 0 1 1
_______ ______ _____
Total number of USE commands 184 473 657
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 3.1
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
________________________
Current Cites 0
DLA Bulletin 0
Mynd of MELVYL 0
1.6 Search SET commands
________________________
FIND SET 74
SAVE SET 71
RECALL SET 0
DELETE/CLEAR SET 0
1.7 Special Commands
____________________
1.7.1 MAIL Commands
___________________
Number of MAIL Commands 767
1.7.2 REQUEST Commands
______________________
Number of REQUEST Commands 97
1.7.3 UPDATE Commands
_____________________
Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 14 15
Davis 0 0 0
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
_______ ______ _____
1 14 15
1.7.4 Number of UPDATE commands by Database
___________________________________________
CAT 1
PE 0
TEN 0
CC databases 12
CC 12
CCT 0
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 0
INS 0
PSYC 0
ABI 1
BIOSIS 0
1.7.5 Other UPDATE Commands
___________________________
Number of RENEW UPDATE commands 16
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 1
Number of REDO UPDATE commands 0
Total number of UPDATEs on 05/17/02 1,676
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)