MELVYL SYSTEM TELNET STATISTICS
Time period: 12/15/01 through 12/21/01
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 784 3,484 4,268
Davis 2,249 299 2,548
Irvine 834 0 834
Los Angeles 19 1,395 1,414
Riverside 362 200 562
San Diego 584 665 1,249
San Francisco 1,036 0 1,036
Santa Barbara 216 279 495
Santa Cruz 145 287 432
NRLF 0 0 0
SRLF 0 0 0
LBL 0 223 223
LLL 0 88 88
Los Alamos 0 12 12
Other - UC 41 332 373
CSL 0 115 115
CSU n/a 87 87
Stanford n/a 90 90
Other - Non UC n/a 5,732 5,732
_______ ______ _____
6,270 13,288 19,558
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 14 12-2 p.m. 46
2-4 a.m. 18 2-4 p.m. 53
4-6 a.m. 14 4-6 p.m. 31
6-8 a.m. 10 6-8 p.m. 13
8-10 a.m. 36 8-10 p.m. 10
10-12 a.m. 52 10-12 p.m. 12
Maximum of active users in a 2 minute interval:
For MELVYL system on 12/17/01 at 15:22:24 total number of users: 92
For MELVYL MEDLINE on 12/18/01 at 14:12:33 total number of users: 18
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 329.97
For Non-UC users (hrs:mins) 8.73
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1,882 11,832 13,714
Davis 7,568 1,247 8,815
Irvine 4,215 0 4,215
Los Angeles 87 3,725 3,812
Riverside 1,352 612 1,964
San Diego 1,664 1,724 3,388
San Francisco 3,165 0 3,165
Santa Barbara 603 695 1,298
Santa Cruz 993 752 1,745
NRLF 0 0 0
SRLF 0 0 0
LBL 0 402 402
LLL 0 247 247
Los Alamos 0 43 43
Other - UC 33 1,233 1,266
CSL 0 131 131
CSU n/a 265 265
Stanford n/a 210 210
Other - Non UC n/a 17,804 17,804
_______ ______ _____
21,562 40,922 62,484
Average number of FIND commands per hour:
12-2 a.m. 36 12-2 p.m. 429
2-4 a.m. 41 2-4 p.m. 498
4-6 a.m. 27 4-6 p.m. 253
6-8 a.m. 52 6-8 p.m. 88
8-10 a.m. 336 8-10 p.m. 52
10-12 a.m. 475 10-12 p.m. 41
Total number of FIND commands 62,484
Peak hourly load of 903 FIND commands occurred on 12/17/01 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 16,202 94,972 111,174
Davis 61,549 8,668 70,217
Irvine 34,733 0 34,733
Los Angeles 733 30,866 31,599
Riverside 11,628 6,060 17,688
San Diego 8,829 61,884 70,713
San Francisco 27,685 0 27,685
Santa Barbara 4,726 7,873 12,599
Santa Cruz 5,410 7,910 13,320
NRLF 0 0 0
SRLF 0 0 0
LBL 0 4,556 4,556
LLL 0 2,286 2,286
Los Alamos 0 609 609
Other - UC 718 10,467 11,185
CSL 0 2,065 2,065
CSU n/a 2,910 2,910
Stanford n/a 2,269 2,269
Other - Non UC n/a 137,676 137,676
_______ ______ _____
172,213 381,071 553,284
Average number of records displayed per hour:
12-2 a.m. 561 12-2 p.m. 6,743
2-4 a.m. 1,172 2-4 p.m. 8,656
4-6 a.m. 449 4-6 p.m. 4,519
6-8 a.m. 669 6-8 p.m. 1,822
8-10 a.m. 4,515 8-10 p.m. 1,156
10-12 a.m. 9,407 10-12 p.m. 1,009
Total number of Records Displayed 553,284
Peak hourly load of 31,648 records displayed occurred on 12/19/01 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 34,067 256,626 46.4% 54.5%
TEN 0 0 0.0% 0.0%
PE 2,948 28,951 5.4% 4.7%
ABI 475 513 0.8% 0.8%
BIOSIS 2,150 2,242 4.2% 3.4%
CC databases 5,466 55,312 10.8% 8.7%
CC 5,391 51,814 10.4% 8.6%
CCT 75 3,498 0.3% 0.1%
IAC databases 1,734 57,846 3.1% 2.8%
MAGS 1,580 56,198 2.7% 2.5%
NEWS 126 1,353 0.3% 0.2%
COMP 28 295 0.1% 0.0%
INS databases 2,031 16,001 4.7% 3.3%
INS 1,515 13,229 3.1% 2.4%
INS90 210 1,198 0.7% 0.3%
INS85 99 461 0.4% 0.2%
INS80 92 277 0.3% 0.1%
INS69 115 836 0.3% 0.2%
MED databases 9,249 83,222 18.0% 14.8%
MED 7,062 69,640 12.7% 11.3%
MED90 852 4,467 2.1% 1.4%
MED85 490 2,624 1.2% 0.8%
MED80 359 1,773 0.9% 0.6%
MED75 250 2,144 0.6% 0.4%
MED66 236 2,574 0.5% 0.4%
PSYC 2,507 3,023 3.0% 4.0%
OCLC 488 444 0.5% 0.8%
RLG 1,197 1,561 2.8% 1.9%
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 81 102 183
Arizona State University 0 1 1
Boston University 0 0 0
California State Library 0 2 2
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 4 10 14
Cambridge University, England 1 1 2
CARL 0 0 0
CARL Uncover 1 4 5
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 0 24 24
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 3 1 4
Harvard 1 0 1
Library of Congress (LOCIS) 4 3 7
Los Angeles Public Library 0 1 1
National Agricultural Library 0 1 1
NLM AIDSDBS 1 0 1
NLM Databases (Medlars) 1 1 2
Northern Regional Lib Facility 40 25 65
New York Public Library 0 3 3
OCEAN Information Center 0 0 0
OCLC Catalog 1 98 99
OCLC EPIC 0 0 0
Oxford University, England 0 1 1
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 30 61 91
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 1 9 10
SUNY Buffalo (BISON) 0 3 3
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 35 89 124
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 3 2 5
UCLA ORION 0 0 0
UCSC CRUZCAT 2 2 4
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 2 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 2 2
Virginia Polytechnic Institute 0 0 0
Weather 0 1 1
WRLC 0 0 0
Yale 6 0 6
Other 1 0 1
_______ ______ _____
Total number of USE commands 217 449 666
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.6
Standard deviation in seconds 4.1
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.2
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 69
SAVE SET 97
RECALL SET 7
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 785
1.7.2 REQUEST Commands
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Number of REQUEST Commands 80
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 1 2
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
_______ ______ _____
1 1 2
1.7.4 Number of UPDATE commands by Database
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CAT 0
PE 0
TEN 0
CC databases 2
CC 2
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 9
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 12/21/01 1,876
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)