MELVYL SYSTEM TELNET STATISTICS
Time period: 09/29/01 through 10/05/01
1.0 GENERAL STATISTICS (includes all databases)
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1.1 System load
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1.1.1 Total sessions:
______________________
Location Library Remote Total
________ _______ ______ _____
Berkeley 1,343 4,848 6,191
Davis 3,442 457 3,899
Irvine 1,370 0 1,370
Los Angeles 18 2,026 2,044
Riverside 649 248 897
San Diego 630 1,028 1,658
San Francisco 1,538 0 1,538
Santa Barbara 380 417 797
Santa Cruz 279 279 558
NRLF 0 0 0
SRLF 0 0 0
LBL 0 282 282
LLL 0 161 161
Los Alamos 0 10 10
Other - UC 43 510 553
CSL 0 144 144
CSU n/a 271 271
Stanford n/a 182 182
Other - Non UC n/a 9,419 9,419
_______ ______ _____
9,692 20,282 29,974
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 12 12-2 p.m. 60
2-4 a.m. 13 2-4 p.m. 69
4-6 a.m. 11 4-6 p.m. 47
6-8 a.m. 11 6-8 p.m. 19
8-10 a.m. 44 8-10 p.m. 13
10-12 a.m. 65 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 10/03/01 at 11:06:32 total number of users: 130
For MELVYL MEDLINE on 10/01/01 at 15:52:27 total number of users: 22
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 495.03
For Non-UC users (hrs:mins) 18.80
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,717 14,947 18,664
Davis 12,026 1,340 13,366
Irvine 4,069 0 4,069
Los Angeles 39 5,528 5,567
Riverside 2,191 676 2,867
San Diego 2,216 2,661 4,877
San Francisco 4,186 0 4,186
Santa Barbara 1,150 1,058 2,208
Santa Cruz 1,827 654 2,481
NRLF 0 0 0
SRLF 0 0 0
LBL 0 682 682
LLL 0 457 457
Los Alamos 0 22 22
Other - UC 42 1,478 1,520
CSL 0 168 168
CSU n/a 1,337 1,337
Stanford n/a 425 425
Other - Non UC n/a 27,844 27,844
_______ ______ _____
31,463 59,277 90,740
Average number of FIND commands per hour:
12-2 a.m. 49 12-2 p.m. 548
2-4 a.m. 30 2-4 p.m. 681
4-6 a.m. 32 4-6 p.m. 413
6-8 a.m. 83 6-8 p.m. 137
8-10 a.m. 401 8-10 p.m. 94
10-12 a.m. 624 10-12 p.m. 75
Total number of FIND commands 90,740
Peak hourly load of 1,229 FIND commands occurred on 10/03/01 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 30,361 139,852 170,213
Davis 84,295 7,911 92,206
Irvine 32,275 0 32,275
Los Angeles 502 47,202 47,704
Riverside 19,738 5,501 25,239
San Diego 11,923 26,699 38,622
San Francisco 42,826 0 42,826
Santa Barbara 11,924 10,706 22,630
Santa Cruz 6,398 6,323 12,721
NRLF 0 0 0
SRLF 0 0 0
LBL 0 5,958 5,958
LLL 0 3,973 3,973
Los Alamos 0 169 169
Other - UC 298 11,653 11,951
CSL 0 1,399 1,399
CSU n/a 12,317 12,317
Stanford n/a 4,984 4,984
Other - Non UC n/a 208,349 208,349
_______ ______ _____
240,540 492,996 733,536
Average number of records displayed per hour:
12-2 a.m. 770 12-2 p.m. 9,795
2-4 a.m. 342 2-4 p.m. 10,663
4-6 a.m. 404 4-6 p.m. 8,026
6-8 a.m. 1,420 6-8 p.m. 3,157
8-10 a.m. 6,398 8-10 p.m. 1,635
10-12 a.m. 9,650 10-12 p.m. 1,403
Total number of Records Displayed 733,536
Peak hourly load of 17,959 records displayed occurred on 10/03/01 at 2 pm
1.2 Relative Use of Databases
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Number of Number of % of System % of System
Database FIND Commands Records Displayed Sessions Searches
________ _____________ _________________ ___________ ___________
CAT 45,219 316,787 43.6% 49.8%
TEN 0 0 0.0% 0.0%
PE 4,195 34,860 4.9% 4.6%
ABI 592 901 0.6% 0.7%
BIOSIS 2,838 3,174 3.6% 3.1%
CC databases 6,848 65,924 8.7% 7.5%
CC 6,605 55,807 8.3% 7.3%
CCT 243 10,117 0.4% 0.3%
IAC databases 2,319 25,043 3.2% 2.6%
MAGS 2,061 23,519 2.8% 2.3%
NEWS 178 903 0.3% 0.2%
COMP 80 621 0.1% 0.1%
INS databases 2,607 21,793 4.5% 2.9%
INS 1,722 16,120 2.8% 1.9%
INS90 370 2,632 0.7% 0.4%
INS85 186 792 0.4% 0.2%
INS80 167 1,238 0.3% 0.2%
INS69 162 1,011 0.3% 0.2%
MED databases 12,771 127,264 16.1% 14.1%
MED 10,046 111,101 11.7% 11.1%
MED90 1,257 6,755 1.9% 1.4%
MED85 639 3,180 1.1% 0.7%
MED80 371 1,618 0.6% 0.4%
MED75 218 2,221 0.4% 0.2%
MED66 240 2,389 0.4% 0.3%
PSYC 2,565 4,141 2.6% 2.8%
OCLC 9,631 13,337 10.6% 10.6%
RLG 840 1,110 1.1% 0.9%
1.3 USE command
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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 81 95 176
Arizona State University 0 1 1
Boston University 0 2 2
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 3 7 10
Cambridge University, England 0 3 3
CARL 0 2 2
CARL Uncover 3 8 11
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 1 1
DIALOG 1 18 19
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 1 7 8
Harvard 0 1 1
Library of Congress (LOCIS) 2 8 10
Los Angeles Public Library 1 0 1
National Agricultural Library 2 0 2
NLM AIDSDBS 0 3 3
NLM Databases (Medlars) 1 1 2
Northern Regional Lib Facility 69 33 102
New York Public Library 0 2 2
OCEAN Information Center 0 0 0
OCLC Catalog 2 77 79
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 32 83 115
San Francisco State University 0 1 1
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 2 16 18
SUNY Buffalo (BISON) 4 3 7
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 49 117 166
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 4 1 5
UCLA ORION 0 0 0
UCSC CRUZCAT 0 1 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 3 3
UCSF Catalog 0 0 0
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 0 0
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 0 7
Other 1 1 2
_______ ______ _____
Total number of USE commands 265 495 760
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.7
Standard deviation in seconds 2.8
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.3
Standard deviation in seconds 5.3
1.5 Online Publications
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Current Cites 0
DLA Bulletin 0
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 70
SAVE SET 107
RECALL SET 0
DELETE/CLEAR SET 0
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,215
1.7.2 REQUEST Commands
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Number of REQUEST Commands 85
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 3 4
Davis 0 0 0
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 1 1
San Francisco 2 0 2
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 1 1
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
_______ ______ _____
3 5 8
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 3
CC 1
CCT 2
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 4
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 18
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 3
Number of REDO UPDATE commands 0
Total number of UPDATEs on 10/05/01 3,363
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)