MELVYL SYSTEM TELNET STATISTICS
Time period: 12/30/00 through 01/05/01
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 1,017 4,434 5,451
Davis 3,455 540 3,995
Irvine 1,293 0 1,293
Los Angeles 329 1,856 2,185
Riverside 658 267 925
San Diego 614 1,246 1,860
San Francisco 1,897 0 1,897
Santa Barbara 277 588 865
Santa Cruz 354 478 832
NRLF 0 0 0
SRLF 0 0 0
LBL 0 333 333
LLL 0 173 173
Los Alamos 0 11 11
Other - UC 47 270 317
CSL 0 113 113
CSU n/a 184 184
Stanford n/a 418 418
Other - Non UC n/a 6,698 6,698
_______ ______ _____
9,941 17,609 27,550
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 15 12-2 p.m. 59
2-4 a.m. 15 2-4 p.m. 68
4-6 a.m. 12 4-6 p.m. 47
6-8 a.m. 9 6-8 p.m. 18
8-10 a.m. 36 8-10 p.m. 15
10-12 a.m. 62 10-12 p.m. 15
Maximum of active users in a 2 minute interval:
For MELVYL system on 01/05/01 at 15:00:15 total number of users: 135
For MELVYL MEDLINE on 01/03/01 at 14:44:33 total number of users: 30
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 629.53
For Non-UC users (hrs:mins) 33.57
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2,857 12,456 15,313
Davis 11,135 1,785 12,920
Irvine 3,920 0 3,920
Los Angeles 1,033 4,928 5,961
Riverside 2,103 881 2,984
San Diego 2,105 3,112 5,217
San Francisco 5,826 0 5,826
Santa Barbara 845 1,666 2,511
Santa Cruz 1,449 1,444 2,893
NRLF 0 0 0
SRLF 0 0 0
LBL 0 827 827
LLL 0 451 451
Los Alamos 0 25 25
Other - UC 47 889 936
CSL 0 252 252
CSU n/a 721 721
Stanford n/a 1,317 1,317
Other - Non UC n/a 23,061 23,061
_______ ______ _____
31,320 53,815 85,135
Average number of FIND commands per hour:
12-2 a.m. 52 12-2 p.m. 513
2-4 a.m. 42 2-4 p.m. 615
4-6 a.m. 46 4-6 p.m. 376
6-8 a.m. 95 6-8 p.m. 123
8-10 a.m. 321 8-10 p.m. 79
10-12 a.m. 566 10-12 p.m. 81
Total number of FIND commands 85,135
Peak hourly load of 1,168 FIND commands occurred on 01/05/01 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 24,898 121,511 146,409
Davis 109,595 11,770 121,365
Irvine 34,733 0 34,733
Los Angeles 8,905 57,933 66,838
Riverside 17,045 6,898 23,943
San Diego 12,799 30,585 43,384
San Francisco 54,170 0 54,170
Santa Barbara 7,116 13,344 20,460
Santa Cruz 7,268 10,834 18,102
NRLF 0 0 0
SRLF 0 0 0
LBL 0 7,736 7,736
LLL 0 6,570 6,570
Los Alamos 0 126 126
Other - UC 400 7,095 7,495
CSL 0 2,061 2,061
CSU n/a 7,467 7,467
Stanford n/a 17,145 17,145
Other - Non UC n/a 197,762 197,762
_______ ______ _____
276,929 498,837 775,766
Average number of records displayed per hour:
12-2 a.m. 1,203 12-2 p.m. 9,094
2-4 a.m. 573 2-4 p.m. 11,943
4-6 a.m. 565 4-6 p.m. 7,901
6-8 a.m. 1,375 6-8 p.m. 3,131
8-10 a.m. 5,932 8-10 p.m. 1,993
10-12 a.m. 10,494 10-12 p.m. 1,851
Total number of Records Displayed 775,766
Peak hourly load of 24,856 records displayed occurred on 01/05/01 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 35,548 269,518 39.0% 41.8%
TEN 0 0 0.0% 0.0%
PE 3,297 30,329 3.9% 3.9%
ABI 578 1,209 0.6% 0.7%
BIOSIS 3,122 4,367 3.8% 3.7%
CC databases 7,109 67,607 8.9% 8.4%
CC 6,887 62,479 8.6% 8.1%
CCT 222 5,128 0.4% 0.3%
IAC databases 2,473 23,797 3.3% 2.9%
MAGS 2,266 22,273 2.9% 2.7%
NEWS 142 809 0.3% 0.2%
COMP 65 715 0.2% 0.1%
INS databases 2,729 21,390 4.5% 3.2%
INS 1,864 15,484 2.9% 2.2%
INS90 326 2,788 0.6% 0.4%
INS85 243 1,659 0.5% 0.3%
INS80 175 642 0.3% 0.2%
INS69 121 817 0.2% 0.1%
MED databases 17,394 187,030 22.0% 20.4%
MED 13,676 160,304 15.3% 16.1%
MED90 1,556 14,337 2.8% 1.8%
MED85 815 4,943 1.5% 1.0%
MED80 565 3,520 1.1% 0.7%
MED75 462 2,420 0.7% 0.5%
MED66 320 1,506 0.5% 0.4%
PSYC 4,196 6,854 4.3% 4.9%
OCLC 7,515 10,466 7.9% 8.8%
RLG 803 785 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) 3 17 20
GEOREF (Stanford) 25 73 98
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 74 48 122
Arizona State University 0 3 3
Boston University 0 0 0
California State Library 1 1 2
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 7 11 18
Cambridge University, England 0 2 2
CARL 0 1 1
CARL Uncover 2 8 10
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 1 1
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 1 18 19
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 1 1
Harvard 0 3 3
Library of Congress (LOCIS) 1 5 6
Los Angeles Public Library 0 0 0
National Agricultural Library 3 2 5
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 1 1
Northern Regional Lib Facility 62 12 74
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 65 65
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 1 1
Rensselaer Polytechnic Institute 0 0 0
RLIN 27 59 86
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 3 44 47
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 51 120 171
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 2 0 2
UCLA ORION 0 1 1
UCSC CRUZCAT 0 4 4
UCSC INFOSLUG 0 0 0
UCSD ROGER 2 3 5
UCSF Catalog 21 0 21
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 6 6
WRLC 0 0 0
Yale 0 9 9
Other 1 3 4
_______ ______ _____
Total number of USE commands 286 525 811
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 2.3
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.1
1.5 Online Publications
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Current Cites 0
DLA Bulletin 1
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 192
SAVE SET 276
RECALL SET 3
DELETE/CLEAR SET 6
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,555
1.7.2 REQUEST Commands
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Number of REQUEST Commands 206
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 2 2
Riverside 0 0 0
San Diego 0 6 6
San Francisco 7 0 7
Santa Barbara 0 0 0
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 1 1
Los Alamos 0 0 0
Other - UC 0 20 20
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 0 0
Other - Non UC n/a 0 0
_______ ______ _____
7 32 39
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 24
CC 1
CCT 23
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 7
INS 6
PSYC 1
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 21
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 25
Number of REDO UPDATE commands 0
Total number of UPDATEs on 01/05/01 3,889
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)