MELVYL SYSTEM TELNET STATISTICS
Time period: 08/11/01 through 08/17/01
1.0 GENERAL STATISTICS (includes all databases)
________________________________________________
1.1 System load
________________
1.1.1 Total sessions:
______________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 1,062 4,756 5,818
Davis 3,008 455 3,463
Irvine 1,267 0 1,267
Los Angeles 29 1,892 1,921
Riverside 670 210 880
San Diego 706 1,072 1,778
San Francisco 1,976 0 1,976
Santa Barbara 317 377 694
Santa Cruz 619 400 1,019
NRLF 0 0 0
SRLF 0 0 0
LBL 0 262 262
LLL 0 173 173
Los Alamos 0 13 13
Other - UC 107 375 482
CSL 0 113 113
CSU n/a 127 127
Stanford n/a 312 312
Other - Non UC n/a 9,235 9,235
_______ ______ _____
9,761 19,772 29,533
1.1.2 Active users
___________________
Average number of active users in a 2 minute interval:
12-2 a.m. 8 12-2 p.m. 55
2-4 a.m. 9 2-4 p.m. 65
4-6 a.m. 9 4-6 p.m. 43
6-8 a.m. 10 6-8 p.m. 16
8-10 a.m. 39 8-10 p.m. 12
10-12 a.m. 61 10-12 p.m. 11
Maximum of active users in a 2 minute interval:
For MELVYL system on 08/13/01 at 12:25:34 total number of users: 114
For MELVYL MEDLINE on 08/15/01 at 15:37:01 total number of users: 21
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 524.93
For Non-UC users (hrs:mins) 27.00
1.1.3 FIND commands
____________________
Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,107 13,590 16,697
Davis 10,528 1,559 12,087
Irvine 4,175 0 4,175
Los Angeles 66 6,018 6,084
Riverside 2,592 573 3,165
San Diego 4,284 2,709 6,993
San Francisco 5,556 0 5,556
Santa Barbara 802 1,030 1,832
Santa Cruz 2,912 1,160 4,072
NRLF 0 0 0
SRLF 0 0 0
LBL 0 541 541
LLL 0 1,084 1,084
Los Alamos 0 32 32
Other - UC 157 1,498 1,655
CSL 0 225 225
CSU n/a 532 532
Stanford n/a 1,079 1,079
Other - Non UC n/a 28,494 28,494
_______ ______ _____
34,179 60,124 94,303
Average number of FIND commands per hour:
12-2 a.m. 56 12-2 p.m. 556
2-4 a.m. 37 2-4 p.m. 673
4-6 a.m. 37 4-6 p.m. 415
6-8 a.m. 84 6-8 p.m. 137
8-10 a.m. 409 8-10 p.m. 94
10-12 a.m. 590 10-12 p.m. 92
Total number of FIND commands 94,303
Peak hourly load of 1,118 FIND commands occurred on 08/14/01 at 2 pm
1.1.4 Records Displayed
________________________
Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 26,905 124,093 150,998
Davis 68,426 9,412 77,838
Irvine 32,589 0 32,589
Los Angeles 1,337 56,755 58,092
Riverside 18,151 7,554 25,705
San Diego 14,360 24,784 39,144
San Francisco 63,427 0 63,427
Santa Barbara 7,100 15,873 22,973
Santa Cruz 14,076 9,643 23,719
NRLF 0 0 0
SRLF 0 0 0
LBL 0 7,573 7,573
LLL 0 8,561 8,561
Los Alamos 0 121 121
Other - UC 1,079 15,997 17,076
CSL 0 1,617 1,617
CSU n/a 4,472 4,472
Stanford n/a 7,364 7,364
Other - Non UC n/a 220,200 220,200
_______ ______ _____
247,450 514,019 761,469
Average number of records displayed per hour:
12-2 a.m. 833 12-2 p.m. 9,461
2-4 a.m. 548 2-4 p.m. 10,911
4-6 a.m. 616 4-6 p.m. 7,970
6-8 a.m. 1,735 6-8 p.m. 3,799
8-10 a.m. 6,190 8-10 p.m. 1,892
10-12 a.m. 9,714 10-12 p.m. 1,465
Total number of Records Displayed 761,469
Peak hourly load of 17,564 records displayed occurred on 08/14/01 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 41,456 291,542 39.9% 44.0%
TEN 0 0 0.0% 0.0%
PE 3,661 27,963 4.8% 3.9%
ABI 560 907 0.6% 0.6%
BIOSIS 3,157 3,833 3.5% 3.3%
CC databases 7,910 68,592 8.9% 8.4%
CC 7,811 63,519 8.5% 8.3%
CCT 99 5,073 0.3% 0.1%
IAC databases 2,264 24,964 2.9% 2.4%
MAGS 1,968 22,165 2.4% 2.1%
NEWS 158 1,117 0.2% 0.2%
COMP 138 1,682 0.2% 0.1%
INS databases 3,036 22,761 4.9% 3.2%
INS 1,978 16,502 3.0% 2.1%
INS90 390 2,236 0.7% 0.4%
INS85 250 1,591 0.5% 0.3%
INS80 207 989 0.4% 0.2%
INS69 211 1,443 0.3% 0.2%
MED databases 16,364 155,175 19.1% 17.4%
MED 12,592 134,312 13.2% 13.4%
MED90 1,706 9,244 2.5% 1.8%
MED85 887 4,806 1.5% 0.9%
MED80 563 3,022 0.9% 0.6%
MED75 315 1,834 0.6% 0.3%
MED66 301 1,957 0.4% 0.3%
PSYC 3,388 4,839 2.8% 3.6%
OCLC 11,118 14,702 11.2% 11.8%
RLG 1,003 1,335 0.9% 1.1%
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 78 107 185
Arizona State University 0 3 3
Boston University 0 1 1
California State Library 1 0 1
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 8 11 19
Cambridge University, England 0 1 1
CARL 0 2 2
CARL Uncover 1 8 9
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 2 0 2
Dartmouth College 0 0 0
DIALOG 1 53 54
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 4 4
Harvard 1 2 3
Library of Congress (LOCIS) 1 2 3
Los Angeles Public Library 0 3 3
National Agricultural Library 1 2 3
NLM AIDSDBS 1 2 3
NLM Databases (Medlars) 0 2 2
Northern Regional Lib Facility 43 43 86
New York Public Library 0 2 2
OCEAN Information Center 0 0 0
OCLC Catalog 1 50 51
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 48 65 113
San Francisco State University 1 1 2
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 1 1
Stanford University 8 76 84
SUNY Buffalo (BISON) 0 1 1
1.3 USE command (continued)
____________________________
Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 41 123 164
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 1 2
UCLA ORION 0 0 0
UCSC CRUZCAT 0 1 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 1 2
UCSF Catalog 2 1 3
Univ. of Hawaii 0 1 1
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 6 6
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 2 2
Weather 0 5 5
WRLC 0 0 0
Yale 6 1 7
Other 0 0 0
_______ ______ _____
Total number of USE commands 247 587 834
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 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 1.0
1.5 Online Publications
________________________
Current Cites 1
DLA Bulletin 0
Mynd of MELVYL 0
1.6 Search SET commands
________________________
FIND SET 181
SAVE SET 185
RECALL SET 2
DELETE/CLEAR SET 3
1.7 Special Commands
____________________
1.7.1 MAIL Commands
___________________
Number of MAIL Commands 1,167
1.7.2 REQUEST Commands
______________________
Number of REQUEST Commands 92
1.7.3 UPDATE Commands
_____________________
Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 0 0
Davis 1 0 1
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 0 1
1.7.4 Number of UPDATE commands by Database
___________________________________________
CAT 0
PE 0
TEN 0
CC databases 1
CC 0
CCT 1
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 14
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 1
Number of REDO UPDATE commands 0
Total number of UPDATEs on 08/17/01 3,340
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)