MELVYL SYSTEM TELNET STATISTICS
Time period: 12/01/00 through 12/31/00
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 5,785 20,047 25,832
Davis 12,949 2,180 15,129
Irvine 6,744 0 6,744
Los Angeles 1,949 8,760 10,709
Riverside 3,098 1,318 4,416
San Diego 3,010 5,406 8,416
San Francisco 8,041 0 8,041
Santa Barbara 2,069 2,680 4,749
Santa Cruz 1,653 1,721 3,374
NRLF 0 0 0
SRLF 5 0 5
LBL 0 1,334 1,334
LLL 0 930 930
Los Alamos 0 15 15
Other - UC 178 1,789 1,967
CSL 0 640 640
CSU n/a 617 617
Stanford n/a 1,458 1,458
Other - Non UC n/a 30,457 30,457
_______ ______ _____
45,481 79,352 124,833
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 11 12-2 p.m. 58
2-4 a.m. 12 2-4 p.m. 66
4-6 a.m. 9 4-6 p.m. 46
6-8 a.m. 9 6-8 p.m. 20
8-10 a.m. 37 8-10 p.m. 14
10-12 a.m. 63 10-12 p.m. 12
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 2644.13
For Non-UC users (hrs:mins) 127.83
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 17,578 57,827 75,405
Davis 40,048 7,167 47,215
Irvine 23,305 0 23,305
Los Angeles 5,763 24,208 29,971
Riverside 9,425 3,451 12,876
San Diego 10,414 14,091 24,505
San Francisco 24,973 0 24,973
Santa Barbara 7,141 7,907 15,048
Santa Cruz 6,747 5,358 12,105
NRLF 0 0 0
SRLF 20 0 20
LBL 0 3,224 3,224
LLL 0 4,526 4,526
Los Alamos 0 22 22
Other - UC 248 6,789 7,037
CSL 0 1,095 1,095
CSU n/a 2,103 2,103
Stanford n/a 4,536 4,536
Other - Non UC n/a 100,715 100,715
_______ ______ _____
145,662 243,019 388,681
Average number of FIND commands per hour:
12-2 a.m. 63 12-2 p.m. 537
2-4 a.m. 41 2-4 p.m. 621
4-6 a.m. 36 4-6 p.m. 403
6-8 a.m. 76 6-8 p.m. 165
8-10 a.m. 309 8-10 p.m. 97
10-12 a.m. 588 10-12 p.m. 81
Total number of FIND commands 388,681
Peak hourly load of 1,461 FIND commands occurred on 12/04/00 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 161,744 534,824 696,568
Davis 355,806 43,707 399,513
Irvine 187,800 0 187,800
Los Angeles 57,768 262,870 320,638
Riverside 73,772 35,654 109,426
San Diego 62,653 136,998 199,651
San Francisco 229,921 0 229,921
Santa Barbara 59,637 88,715 148,352
Santa Cruz 43,018 55,421 98,439
NRLF 0 0 0
SRLF 95 0 95
LBL 0 36,569 36,569
LLL 0 49,453 49,453
Los Alamos 0 172 172
Other - UC 1,658 61,184 62,842
CSL 0 7,588 7,588
CSU n/a 18,977 18,977
Stanford n/a 52,002 52,002
Other - Non UC n/a 913,684 913,684
_______ ______ _____
1,233,872 2,297,818 3,531,690
Average number of records displayed per hour:
12-2 a.m. 1,112 12-2 p.m. 10,192
2-4 a.m. 777 2-4 p.m. 12,223
4-6 a.m. 716 4-6 p.m. 7,921
6-8 a.m. 1,532 6-8 p.m. 3,595
8-10 a.m. 5,803 8-10 p.m. 2,288
10-12 a.m. 10,952 10-12 p.m. 1,848
Total number of Records Displayed 3,531,690
Peak hourly load of 37,484 records displayed occurred on 12/11/00 at Noon
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 163,298 1,299,965 40.7% 42.0%
TEN 0 0 0.0% 0.0%
PE 15,055 135,687 3.7% 3.9%
ABI 2,363 4,553 0.6% 0.6%
BIOSIS 13,938 17,736 3.8% 3.6%
CC databases 33,390 358,577 9.1% 8.6%
CC 32,788 336,174 8.7% 8.4%
CCT 602 22,403 0.4% 0.2%
IAC databases 17,436 208,592 4.7% 4.5%
MAGS 15,469 190,645 4.1% 4.0%
NEWS 1,239 8,300 0.4% 0.3%
COMP 728 9,647 0.2% 0.2%
INS databases 13,183 98,879 4.7% 3.4%
INS 9,369 78,838 3.0% 2.4%
INS90 1,442 7,505 0.7% 0.4%
INS85 880 4,386 0.4% 0.2%
INS80 677 3,415 0.3% 0.2%
INS69 815 4,735 0.3% 0.2%
MED databases 71,716 726,159 19.5% 18.4%
MED 57,618 637,192 14.1% 14.8%
MED90 6,453 41,132 2.4% 1.7%
MED85 3,113 19,248 1.3% 0.8%
MED80 2,098 13,670 0.8% 0.5%
MED75 1,265 7,320 0.5% 0.3%
MED66 1,169 7,597 0.4% 0.3%
PSYC 16,315 25,187 3.3% 4.2%
OCLC 36,877 50,165 8.4% 9.5%
RLG 3,626 4,092 1.0% 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) 55 99 154
GEOREF (Stanford) 56 307 363
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 317 374 691
Arizona State University 1 7 8
Boston University 0 3 3
California State Library 2 5 7
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 25 40 65
Cambridge University, England 0 1 1
CARL 0 2 2
CARL Uncover 10 40 50
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 2 2
Cleveland Free-Net 6 0 6
Dartmouth College 0 2 2
DIALOG 4 116 120
DRA LC 0 1 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 8 6 14
Harvard 0 15 15
Library of Congress (LOCIS) 6 27 33
Los Angeles Public Library 1 4 5
National Agricultural Library 7 10 17
NLM AIDSDBS 3 9 12
NLM Databases (Medlars) 2 9 11
Northern Regional Lib Facility 364 132 496
New York Public Library 1 5 6
OCEAN Information Center 0 0 0
OCLC Catalog 3 274 277
OCLC EPIC 0 0 0
Oxford University, England 4 4 8
Princeton 0 4 4
Rensselaer Polytechnic Institute 0 0 0
RLIN 146 244 390
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 13 240 253
SUNY Buffalo (BISON) 4 5 9
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 231 543 774
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 12 4 16
UCLA ORION 3 6 9
UCSC CRUZCAT 2 3 5
UCSC INFOSLUG 0 0 0
UCSD ROGER 5 8 13
UCSF Catalog 55 3 58
Univ. of Hawaii 2 1 3
Univ. of Tennessee 0 0 0
Univ. of Michigan 1 9 10
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 8 8
Virginia Polytechnic Institute 0 2 2
Weather 2 5 7
WRLC 0 1 1
Yale 0 52 52
Other 8 1 9
_______ ______ _____
Total number of USE commands 1,359 2,633 3,992
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 2.7
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.6
1.5 Online Publications
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Current Cites 0
DLA Bulletin 3
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 983
SAVE SET 1,087
RECALL SET 22
DELETE/CLEAR SET 36
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 6,720
1.7.2 REQUEST Commands
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Number of REQUEST Commands 761
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 4 4
Davis 3 0 3
Irvine 0 0 0
Los Angeles 0 11 11
Riverside 0 0 0
San Diego 3 23 26
San Francisco 8 0 8
Santa Barbara 1 0 1
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 4 4
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 6 6
_______ ______ _____
15 48 63
1.7.4 Number of UPDATE commands by Database
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CAT 7
PE 1
TEN 0
CC databases 26
CC 13
CCT 13
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 17
INS 5
PSYC 0
ABI 0
BIOSIS 6
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 75
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 18
Number of REDO UPDATE commands 1
Total number of UPDATEs on 12/30/00 3,877
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)