MELVYL SYSTEM TELNET STATISTICS
Time period: 04/01/02 through 04/30/02
1.0 GENERAL STATISTICS (includes all databases)
________________________________________________
1.1 System load
________________
1.1.1 Total sessions:
______________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 4,941 15,879 20,820
Davis 8,918 863 9,781
Irvine 3,445 0 3,445
Los Angeles 54 3,990 4,044
Riverside 2,136 904 3,040
San Diego 2,068 2,039 4,107
San Francisco 1,535 0 1,535
Santa Barbara 1,221 931 2,152
Santa Cruz 1,141 1,320 2,461
NRLF 0 0 0
SRLF 0 0 0
LBL 0 746 746
LLL 0 548 548
Los Alamos 0 14 14
Other - UC 114 2,149 2,263
CSL 0 548 548
CSU n/a 764 764
Stanford n/a 285 285
Other - Non UC n/a 24,746 24,746
_______ ______ _____
25,573 55,726 81,299
1.1.2 Active users
___________________
Average number of active users in a 2 minute interval:
12-2 a.m. 13 12-2 p.m. 45
2-4 a.m. 14 2-4 p.m. 50
4-6 a.m. 11 4-6 p.m. 32
6-8 a.m. 10 6-8 p.m. 11
8-10 a.m. 33 8-10 p.m. 9
10-12 a.m. 51 10-12 p.m. 12
1.1.3 FIND commands
____________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 13,204 50,235 63,439
Davis 35,126 5,698 40,824
Irvine 13,726 0 13,726
Los Angeles 220 11,007 11,227
Riverside 12,982 3,172 16,154
San Diego 5,609 5,475 11,084
San Francisco 5,522 0 5,522
Santa Barbara 5,286 2,331 7,617
Santa Cruz 8,138 6,090 14,228
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1,405 1,405
LLL 0 1,503 1,503
Los Alamos 0 46 46
Other - UC 136 5,465 5,601
CSL 0 743 743
CSU n/a 4,165 4,165
Stanford n/a 714 714
Other - Non UC n/a 85,340 85,340
_______ ______ _____
99,949 183,389 283,338
Average number of FIND commands per hour:
12-2 a.m. 51 12-2 p.m. 429
2-4 a.m. 43 2-4 p.m. 455
4-6 a.m. 34 4-6 p.m. 290
6-8 a.m. 69 6-8 p.m. 99
8-10 a.m. 258 8-10 p.m. 70
10-12 a.m. 424 10-12 p.m. 71
Total number of FIND commands 283,338
Peak hourly load of 828 FIND commands occurred on 04/16/02 at 1 pm
1.1.4 Records Displayed
________________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 115,138 433,001 548,139
Davis 248,528 29,914 278,442
Irvine 100,568 0 100,568
Los Angeles 2,021 110,878 112,899
Riverside 65,292 23,128 88,420
San Diego 31,519 62,146 93,665
San Francisco 51,350 0 51,350
Santa Barbara 56,129 22,123 78,252
Santa Cruz 31,636 37,400 69,036
NRLF 0 0 0
SRLF 0 0 0
LBL 0 16,228 16,228
LLL 0 19,761 19,761
Los Alamos 0 201 201
Other - UC 1,605 58,943 60,548
CSL 0 5,387 5,387
CSU n/a 38,800 38,800
Stanford n/a 4,459 4,459
Other - Non UC n/a 658,216 658,216
_______ ______ _____
703,786 1,520,585 2,224,371
Average number of records displayed per hour:
12-2 a.m. 592 12-2 p.m. 7,038
2-4 a.m. 706 2-4 p.m. 7,654
4-6 a.m. 391 4-6 p.m. 5,099
6-8 a.m. 948 6-8 p.m. 2,003
8-10 a.m. 4,273 8-10 p.m. 1,357
10-12 a.m. 7,058 10-12 p.m. 1,292
Total number of Records Displayed 2,224,371
Peak hourly load of 17,265 records displayed occurred on 04/17/02 at 2 pm
1.2 Relative Use of Databases
______________________________
Number of Number of % of System % of System
Database FIND Commands Records Displayed Sessions Searches
________ _____________ _________________ ___________ ___________
CAT 185,417 1,349,284 57.5% 65.4%
TEN 0 0 0.0% 0.0%
PE 15,431 128,712 6.3% 5.4%
ABI 1,676 2,627 0.7% 0.6%
BIOSIS 12,154 13,838 5.2% 4.3%
CC databases 26,484 239,798 11.0% 9.3%
CC 26,063 224,711 10.6% 9.2%
CCT 421 15,087 0.4% 0.1%
IAC databases 9,439 104,390 4.6% 3.3%
MAGS 8,396 88,870 4.0% 3.0%
NEWS 763 7,185 0.4% 0.3%
COMP 280 8,335 0.1% 0.1%
INS databases 9,487 73,008 5.4% 3.3%
INS 6,255 56,158 3.4% 2.2%
INS90 1,262 5,758 0.7% 0.4%
INS85 641 3,456 0.5% 0.2%
INS80 592 2,558 0.4% 0.2%
INS69 737 5,078 0.4% 0.3%
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 12,133 15,826 3.8% 4.3%
OCLC 1,482 1,077 0.7% 0.5%
RLG 8,456 11,539 4.1% 3.0%
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 324 457 781
Arizona State University 1 2 3
Boston University 1 4 5
California State Library 0 5 5
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 1 0 1
Cal State Univ., Hayward 52 26 78
Cambridge University, England 0 2 2
CARL 0 3 3
CARL Uncover 9 12 21
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 1 1
Cleveland Free-Net 0 0 0
Dartmouth College 0 3 3
DIALOG 1 88 89
DRA LC 0 1 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 0 0
Harvard 2 8 10
Library of Congress (LOCIS) 10 22 32
Los Angeles Public Library 1 5 6
National Agricultural Library 0 3 3
NLM AIDSDBS 4 4 8
NLM Databases (Medlars) 0 1 1
Northern Regional Lib Facility 264 96 360
New York Public Library 1 1 2
OCEAN Information Center 0 0 0
OCLC Catalog 1 316 317
OCLC EPIC 0 0 0
Oxford University, England 2 3 5
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 62 258 320
San Francisco State University 1 0 1
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 2 2
Stanford University 8 33 41
SUNY Buffalo (BISON) 0 0 0
1.3 USE command (continued)
____________________________
Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 193 388 581
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 9 2 11
UCLA ORION 0 9 9
UCSC CRUZCAT 2 3 5
UCSC INFOSLUG 0 0 0
UCSD ROGER 6 7 13
UCSF Catalog 11 4 15
Univ. of Hawaii 1 0 1
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 3 3
Virginia Polytechnic Institute 0 1 1
Weather 1 1 2
WRLC 0 0 0
Yale 25 2 27
Other 0 1 1
_______ ______ _____
Total number of USE commands 993 1,778 2,771
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 3.3
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.7
1.5 Online Publications
________________________
Current Cites 0
DLA Bulletin 0
Mynd of MELVYL 0
1.6 Search SET commands
________________________
FIND SET 231
SAVE SET 265
RECALL SET 15
DELETE/CLEAR SET 4
1.7 Special Commands
____________________
1.7.1 MAIL Commands
___________________
Number of MAIL Commands 3,226
1.7.2 REQUEST Commands
______________________
Number of REQUEST Commands 305
1.7.3 UPDATE Commands
_____________________
Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 2 2
Davis 2 0 2
Irvine 0 0 0
Los Angeles 0 1 1
Riverside 1 1 2
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 5 5
_______ ______ _____
3 9 12
1.7.4 Number of UPDATE commands by Database
___________________________________________
CAT 3
PE 0
TEN 0
CC databases 4
CC 4
CCT 0
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 0
INS 0
PSYC 1
ABI 3
BIOSIS 0
1.7.5 Other UPDATE Commands
___________________________
Number of RENEW UPDATE commands 43
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 04/30/02 1,675
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)