MELVYL SYSTEM TELNET STATISTICS
Time period: 10/20/01 through 10/26/01
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 1,208 5,006 6,214
Davis 3,802 373 4,175
Irvine 1,571 0 1,571
Los Angeles 28 1,684 1,712
Riverside 660 342 1,002
San Diego 620 1,039 1,659
San Francisco 1,586 0 1,586
Santa Barbara 346 401 747
Santa Cruz 304 390 694
NRLF 0 0 0
SRLF 0 0 0
LBL 0 256 256
LLL 0 127 127
Los Alamos 0 10 10
Other - UC 56 495 551
CSL 0 169 169
CSU n/a 273 273
Stanford n/a 112 112
Other - Non UC n/a 9,080 9,080
_______ ______ _____
10,181 19,757 29,938
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 10 12-2 p.m. 63
2-4 a.m. 11 2-4 p.m. 66
4-6 a.m. 10 4-6 p.m. 46
6-8 a.m. 12 6-8 p.m. 18
8-10 a.m. 41 8-10 p.m. 11
10-12 a.m. 62 10-12 p.m. 10
Maximum of active users in a 2 minute interval:
For MELVYL system on 10/22/01 at 13:26:46 total number of users: 115
For MELVYL MEDLINE on 10/23/01 at 12:08:10 total number of users: 19
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 511.07
For Non-UC users (hrs:mins) 8.93
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,177 14,696 17,873
Davis 13,963 1,246 15,209
Irvine 6,410 0 6,410
Los Angeles 68 5,605 5,673
Riverside 2,599 810 3,409
San Diego 2,156 2,708 4,864
San Francisco 4,506 0 4,506
Santa Barbara 1,496 1,120 2,616
Santa Cruz 2,091 915 3,006
NRLF 0 0 0
SRLF 0 0 0
LBL 0 508 508
LLL 0 259 259
Los Alamos 0 36 36
Other - UC 84 1,346 1,430
CSL 0 218 218
CSU n/a 1,347 1,347
Stanford n/a 297 297
Other - Non UC n/a 26,232 26,232
_______ ______ _____
36,550 57,343 93,893
Average number of FIND commands per hour:
12-2 a.m. 67 12-2 p.m. 622
2-4 a.m. 33 2-4 p.m. 624
4-6 a.m. 34 4-6 p.m. 412
6-8 a.m. 90 6-8 p.m. 146
8-10 a.m. 355 8-10 p.m. 78
10-12 a.m. 613 10-12 p.m. 143
Total number of FIND commands 93,893
Peak hourly load of 1,091 FIND commands occurred on 10/20/01 at 11 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 27,348 136,147 163,495
Davis 100,451 7,803 108,254
Irvine 50,707 0 50,707
Los Angeles 574 45,749 46,323
Riverside 17,156 9,498 26,654
San Diego 11,020 27,948 38,968
San Francisco 37,663 0 37,663
Santa Barbara 13,991 12,640 26,631
Santa Cruz 8,322 9,042 17,364
NRLF 0 0 0
SRLF 0 0 0
LBL 0 4,337 4,337
LLL 0 1,908 1,908
Los Alamos 0 167 167
Other - UC 536 10,815 11,351
CSL 0 1,715 1,715
CSU n/a 11,964 11,964
Stanford n/a 3,085 3,085
Other - Non UC n/a 212,118 212,118
_______ ______ _____
267,768 494,936 762,704
Average number of records displayed per hour:
12-2 a.m. 763 12-2 p.m. 9,115
2-4 a.m. 947 2-4 p.m. 11,171
4-6 a.m. 389 4-6 p.m. 8,005
6-8 a.m. 1,548 6-8 p.m. 3,279
8-10 a.m. 6,826 8-10 p.m. 1,796
10-12 a.m. 9,845 10-12 p.m. 1,676
Total number of Records Displayed 762,704
Peak hourly load of 17,441 records displayed occurred on 10/26/01 at 11 am
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 44,878 315,200 42.8% 47.8%
TEN 0 0 0.0% 0.0%
PE 3,858 33,368 4.4% 4.1%
ABI 473 843 0.7% 0.5%
BIOSIS 3,442 4,201 4.2% 3.7%
CC databases 7,082 68,499 9.1% 7.5%
CC 6,982 64,669 8.8% 7.4%
CCT 100 3,830 0.3% 0.1%
IAC databases 3,402 34,662 4.0% 3.6%
MAGS 3,017 30,621 3.4% 3.2%
NEWS 313 3,322 0.5% 0.3%
COMP 72 719 0.1% 0.1%
INS databases 2,731 19,795 4.4% 2.9%
INS 1,920 15,356 2.7% 2.0%
INS90 289 2,428 0.6% 0.3%
INS85 179 654 0.4% 0.2%
INS80 169 440 0.3% 0.2%
INS69 174 917 0.3% 0.2%
MED databases 13,540 140,288 17.1% 14.4%
MED 10,558 120,538 12.0% 11.2%
MED90 1,300 7,038 2.2% 1.4%
MED85 662 4,863 1.1% 0.7%
MED80 472 3,280 0.8% 0.5%
MED75 303 2,362 0.5% 0.3%
MED66 245 2,207 0.4% 0.3%
PSYC 3,331 4,248 2.7% 3.5%
OCLC 10,021 13,578 9.1% 10.7%
RLG 825 783 0.9% 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 103 186 289
Arizona State University 0 2 2
Boston University 1 1 2
California State Library 1 3 4
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 4 4 8
Cambridge University, England 1 1 2
CARL 0 4 4
CARL Uncover 2 6 8
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 36 37
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 1 5 6
Harvard 0 5 5
Library of Congress (LOCIS) 3 6 9
Los Angeles Public Library 0 2 2
National Agricultural Library 4 1 5
NLM AIDSDBS 4 1 5
NLM Databases (Medlars) 0 3 3
Northern Regional Lib Facility 114 23 137
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 1 84 85
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 2 0 2
Rensselaer Polytechnic Institute 0 0 0
RLIN 37 67 104
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 1 1
Stanford University 2 14 16
SUNY Buffalo (BISON) 1 0 1
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 36 119 155
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 0 4 4
UCLA ORION 0 2 2
UCSC CRUZCAT 0 1 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 2 2
UCSF Catalog 1 2 3
Univ. of Hawaii 0 1 1
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 3 3
Virginia Polytechnic Institute 0 0 0
Weather 1 1 2
WRLC 0 0 0
Yale 5 4 9
Other 1 0 1
_______ ______ _____
Total number of USE commands 326 595 921
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 1.0
Standard deviation in seconds 5.6
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.4
Standard deviation in seconds 3.3
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 154
SAVE SET 147
RECALL SET 0
DELETE/CLEAR SET 1
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,267
1.7.2 REQUEST Commands
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Number of REQUEST Commands 124
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 3 3
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
_______ ______ _____
0 3 3
1.7.4 Number of UPDATE commands by Database
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CAT 0
PE 0
TEN 0
CC databases 3
CC 3
CCT 0
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
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Number of RENEW UPDATE commands 19
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 10/26/01 3,339
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)