MELVYL SYSTEM TELNET STATISTICS
Time period: 02/01/02 through 02/28/02
1.0 GENERAL STATISTICS (includes all databases)
________________________________________________
1.1 System load
________________
1.1.1 Total sessions:
______________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 4,433 15,051 19,484
Davis 9,692 916 10,608
Irvine 2,735 0 2,735
Los Angeles 97 3,835 3,932
Riverside 1,877 702 2,579
San Diego 1,924 2,381 4,305
San Francisco 1,551 0 1,551
Santa Barbara 1,602 1,135 2,737
Santa Cruz 837 1,412 2,249
NRLF 0 0 0
SRLF 0 0 0
LBL 0 921 921
LLL 0 505 505
Los Alamos 0 11 11
Other - UC 155 1,492 1,647
CSL 0 656 656
CSU n/a 842 842
Stanford n/a 224 224
Other - Non UC n/a 25,299 25,299
_______ ______ _____
24,903 55,382 80,285
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. 13 2-4 p.m. 52
4-6 a.m. 10 4-6 p.m. 32
6-8 a.m. 10 6-8 p.m. 12
8-10 a.m. 33 8-10 p.m. 9
10-12 a.m. 51 10-12 p.m. 10
1.1.3 FIND commands
____________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 12,462 47,808 60,270
Davis 35,365 4,141 39,506
Irvine 11,223 0 11,223
Los Angeles 722 10,570 11,292
Riverside 8,225 2,082 10,307
San Diego 6,152 6,050 12,202
San Francisco 5,408 0 5,408
Santa Barbara 6,196 3,145 9,341
Santa Cruz 5,606 3,379 8,985
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1,719 1,719
LLL 0 1,564 1,564
Los Alamos 0 17 17
Other - UC 302 4,562 4,864
CSL 0 745 745
CSU n/a 3,816 3,816
Stanford n/a 675 675
Other - Non UC n/a 86,828 86,828
_______ ______ _____
91,661 177,101 268,762
Average number of FIND commands per hour:
12-2 a.m. 60 12-2 p.m. 373
2-4 a.m. 54 2-4 p.m. 443
4-6 a.m. 48 4-6 p.m. 272
6-8 a.m. 66 6-8 p.m. 93
8-10 a.m. 276 8-10 p.m. 61
10-12 a.m. 421 10-12 p.m. 67
Total number of FIND commands 268,762
Peak hourly load of 883 FIND commands occurred on 02/05/02 at 2 pm
1.1.4 Records Displayed
________________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 110,659 417,471 528,130
Davis 291,408 25,296 316,704
Irvine 112,177 0 112,177
Los Angeles 2,897 97,226 100,123
Riverside 56,246 22,062 78,308
San Diego 37,367 56,462 93,829
San Francisco 37,834 0 37,834
Santa Barbara 52,801 43,395 96,196
Santa Cruz 30,377 34,241 64,618
NRLF 0 0 0
SRLF 0 0 0
LBL 0 17,036 17,036
LLL 0 13,882 13,882
Los Alamos 0 57 57
Other - UC 3,535 38,946 42,481
CSL 0 5,928 5,928
CSU n/a 37,156 37,156
Stanford n/a 6,469 6,469
Other - Non UC n/a 646,238 646,238
_______ ______ _____
735,301 1,461,865 2,197,166
Average number of records displayed per hour:
12-2 a.m. 907 12-2 p.m. 7,208
2-4 a.m. 1,271 2-4 p.m. 8,093
4-6 a.m. 546 4-6 p.m. 5,106
6-8 a.m. 1,193 6-8 p.m. 2,191
8-10 a.m. 4,449 8-10 p.m. 1,322
10-12 a.m. 7,183 10-12 p.m. 1,199
Total number of Records Displayed 2,197,166
Peak hourly load of 19,060 records displayed occurred on 02/25/02 at 11 am
1.2 Relative Use of Databases
______________________________
Number of Number of % of System % of System
Database FIND Commands Records Displayed Sessions Searches
________ _____________ _________________ ___________ ___________
CAT 168,609 1,275,968 56.3% 62.7%
TEN 0 0 0.0% 0.0%
PE 16,602 127,166 6.7% 6.2%
ABI 1,772 2,154 0.7% 0.7%
BIOSIS 13,910 16,519 5.7% 5.2%
CC databases 27,788 273,130 11.6% 10.3%
CC 27,283 257,450 11.2% 10.2%
CCT 505 15,680 0.4% 0.2%
IAC databases 8,789 115,375 4.4% 3.3%
MAGS 7,977 108,272 3.9% 3.0%
NEWS 549 3,362 0.4% 0.2%
COMP 263 3,741 0.2% 0.1%
INS databases 9,886 91,639 5.7% 3.7%
INS 6,903 70,610 3.6% 2.6%
INS90 1,132 9,894 0.8% 0.4%
INS85 725 4,421 0.5% 0.3%
INS80 541 3,020 0.4% 0.2%
INS69 585 3,694 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 11,600 16,628 3.8% 4.3%
OCLC 912 648 0.4% 0.3%
RLG 7,749 10,344 4.1% 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 408 440 848
Arizona State University 0 4 4
Boston University 0 3 3
California State Library 1 6 7
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 1 0 1
Cal State Univ., Hayward 46 19 65
Cambridge University, England 0 1 1
CARL 0 2 2
CARL Uncover 10 15 25
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 1 1
Cleveland Free-Net 0 1 1
Dartmouth College 0 0 0
DIALOG 2 100 102
DRA LC 0 2 2
Earthquake Engineering Abstracts 0 0 0
FS INFO 3 9 12
Harvard 3 9 12
Library of Congress (LOCIS) 7 12 19
Los Angeles Public Library 0 3 3
National Agricultural Library 0 2 2
NLM AIDSDBS 1 2 3
NLM Databases (Medlars) 0 1 1
Northern Regional Lib Facility 292 133 425
New York Public Library 1 2 3
OCEAN Information Center 0 0 0
OCLC Catalog 0 424 424
OCLC EPIC 0 0 0
Oxford University, England 0 6 6
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 78 292 370
San Francisco State University 3 2 5
San Jose State University 0 1 1
Santa Clara University (OSCAR) 0 0 0
Stanford University 12 38 50
SUNY Buffalo (BISON) 0 0 0
1.3 USE command (continued)
____________________________
Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 264 384 648
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 10 6 16
UCLA ORION 2 1 3
UCSC CRUZCAT 2 3 5
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 2 2
UCSF Catalog 6 4 10
Univ. of Hawaii 0 2 2
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 2 2
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 2 2
Virginia Polytechnic Institute 0 0 0
Weather 0 7 7
WRLC 0 0 0
Yale 20 10 30
Other 2 1 3
_______ ______ _____
Total number of USE commands 1,174 1,954 3,127
1.4 Response time
__________________
Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.7
Standard deviation in seconds 4.5
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.5
1.5 Online Publications
________________________
Current Cites 0
DLA Bulletin 2
Mynd of MELVYL 0
1.6 Search SET commands
________________________
FIND SET 201
SAVE SET 293
RECALL SET 6
DELETE/CLEAR SET 1
1.7 Special Commands
____________________
1.7.1 MAIL Commands
___________________
Number of MAIL Commands 3,506
1.7.2 REQUEST Commands
______________________
Number of REQUEST Commands 321
1.7.3 UPDATE Commands
_____________________
Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 8 9
Davis 0 0 0
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 3 3
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 1 1
LLL 0 1 1
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 2 2
_______ ______ _____
1 15 16
1.7.4 Number of UPDATE commands by Database
___________________________________________
CAT 7
PE 0
TEN 0
CC databases 5
CC 4
CCT 1
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 0
INS 1
PSYC 0
ABI 0
BIOSIS 2
1.7.5 Other UPDATE Commands
___________________________
Number of RENEW UPDATE commands 40
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 1
Number of REDO UPDATE commands 0
Total number of UPDATEs on 02/28/02 1,716
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)