MELVYL SYSTEM TELNET STATISTICS
Time period: 09/01/00 through 09/30/00
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 9,685 27,869 37,554
Davis 16,332 2,693 19,025
Irvine 8,013 0 8,013
Los Angeles 3,719 10,925 14,644
Riverside 3,751 1,454 5,205
San Diego 3,670 7,160 10,830
San Francisco 11,330 0 11,330
Santa Barbara 2,987 3,325 6,312
Santa Cruz 2,628 2,790 5,418
NRLF 0 0 0
SRLF 14 0 14
LBL 0 2,040 2,040
LLL 0 983 983
Los Alamos 0 51 51
Other - UC 245 2,699 2,944
CSL 0 707 707
CSU n/a 1,356 1,356
Stanford n/a 2,001 2,001
Other - Non UC n/a 34,222 34,222
_______ ______ _____
62,374 100,275 162,649
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. 77
2-4 a.m. 11 2-4 p.m. 88
4-6 a.m. 10 4-6 p.m. 60
6-8 a.m. 11 6-8 p.m. 24
8-10 a.m. 48 8-10 p.m. 16
10-12 a.m. 79 10-12 p.m. 13
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 3727.87
For Non-UC users (hrs:mins) 179.00
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 29,640 79,998 109,638
Davis 57,600 9,266 66,866
Irvine 23,285 0 23,285
Los Angeles 11,087 29,831 40,918
Riverside 12,475 4,086 16,561
San Diego 10,797 18,622 29,419
San Francisco 33,062 0 33,062
Santa Barbara 9,316 9,438 18,754
Santa Cruz 11,331 7,401 18,732
NRLF 0 0 0
SRLF 38 0 38
LBL 0 4,878 4,878
LLL 0 4,663 4,663
Los Alamos 0 214 214
Other - UC 344 8,481 8,825
CSL 0 991 991
CSU n/a 7,032 7,032
Stanford n/a 5,823 5,823
Other - Non UC n/a 117,083 117,083
_______ ______ _____
198,975 307,807 506,782
Average number of FIND commands per hour:
12-2 a.m. 76 12-2 p.m. 784
2-4 a.m. 43 2-4 p.m. 890
4-6 a.m. 54 4-6 p.m. 598
6-8 a.m. 103 6-8 p.m. 221
8-10 a.m. 450 8-10 p.m. 138
10-12 a.m. 780 10-12 p.m. 105
Total number of FIND commands 506,782
Peak hourly load of 1,622 FIND commands occurred on 09/25/00 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 261,889 852,572 1,114,461
Davis 576,074 58,178 634,252
Irvine 210,930 0 210,930
Los Angeles 105,954 359,706 465,660
Riverside 116,385 55,636 172,021
San Diego 69,552 196,273 265,825
San Francisco 362,809 0 362,809
Santa Barbara 75,816 100,083 175,899
Santa Cruz 66,704 72,521 139,225
NRLF 0 0 0
SRLF 257 0 257
LBL 0 48,957 48,957
LLL 0 44,849 44,849
Los Alamos 0 2,016 2,016
Other - UC 2,672 76,822 79,494
CSL 0 6,808 6,808
CSU n/a 89,646 89,646
Stanford n/a 77,559 77,559
Other - Non UC n/a 1,004,280 1,004,280
_______ ______ _____
1,849,042 3,045,906 4,894,948
Average number of records displayed per hour:
12-2 a.m. 1,406 12-2 p.m. 14,652
2-4 a.m. 685 2-4 p.m. 16,838
4-6 a.m. 679 4-6 p.m. 12,638
6-8 a.m. 2,018 6-8 p.m. 4,784
8-10 a.m. 8,993 8-10 p.m. 3,045
10-12 a.m. 14,940 10-12 p.m. 2,199
Total number of Records Displayed 4,894,948
Peak hourly load of 45,105 records displayed occurred on 09/15/00 at 3 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 223,271 1,726,292 42.4% 44.1%
TEN 0 0 0.0% 0.0%
PE 19,286 215,323 3.4% 3.8%
ABI 3,627 6,832 0.7% 0.7%
BIOSIS 19,650 24,949 3.8% 3.9%
CC databases 41,492 486,916 8.9% 8.2%
CC 40,614 455,573 8.5% 8.0%
CCT 878 31,343 0.4% 0.2%
IAC databases 21,418 280,165 4.5% 4.2%
MAGS 19,013 240,652 3.9% 3.8%
NEWS 1,641 13,594 0.4% 0.3%
COMP 764 25,919 0.2% 0.2%
INS databases 17,121 196,172 4.6% 3.4%
INS 11,788 132,094 2.9% 2.3%
INS90 1,961 21,771 0.6% 0.4%
INS85 1,346 13,813 0.4% 0.3%
INS80 886 11,319 0.3% 0.2%
INS69 1,140 17,175 0.3% 0.2%
MED databases 97,433 1,083,331 20.9% 19.2%
MED 77,383 922,882 15.0% 15.3%
MED90 9,343 68,629 2.6% 1.8%
MED85 4,526 40,125 1.4% 0.9%
MED80 3,019 25,137 0.9% 0.6%
MED75 1,802 15,660 0.5% 0.4%
MED66 1,360 10,898 0.4% 0.3%
PSYC 20,396 31,843 3.2% 4.0%
OCLC 34,051 39,902 5.6% 6.7%
RLG 7,032 8,059 1.5% 1.4%
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) 85 220 305
GEOREF (Stanford) 82 414 496
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 354 571 925
Arizona State University 1 8 9
Boston University 1 8 9
California State Library 3 14 17
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 1 2 3
Cal State Univ., Hayward 20 54 74
Cambridge University, England 5 13 18
CARL 2 15 17
CARL Uncover 18 56 74
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 1 1
Cleveland Free-Net 2 0 2
Dartmouth College 0 3 3
DIALOG 3 111 114
DRA LC 27 4 31
Earthquake Engineering Abstracts 0 0 0
FS INFO 7 18 25
Harvard 3 54 57
Library of Congress (LOCIS) 11 19 30
Los Angeles Public Library 3 12 15
National Agricultural Library 5 15 20
NLM AIDSDBS 5 15 20
NLM Databases (Medlars) 4 16 20
Northern Regional Lib Facility 514 137 651
New York Public Library 5 10 15
OCEAN Information Center 0 0 0
OCLC Catalog 8 320 328
OCLC EPIC 0 1 1
Oxford University, England 2 14 16
Princeton 0 22 22
Rensselaer Polytechnic Institute 0 1 1
RLIN 178 322 500
San Francisco State University 0 4 4
San Jose State University 2 2 4
Santa Clara University (OSCAR) 0 2 2
Stanford University 43 286 329
SUNY Buffalo (BISON) 3 7 10
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 357 634 991
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 18 8 26
UCLA ORION 12 14 26
UCSC CRUZCAT 10 15 25
UCSC INFOSLUG 0 0 0
UCSD ROGER 13 21 34
UCSF Catalog 42 8 50
Univ. of Hawaii 4 1 5
Univ. of Tennessee 0 1 1
Univ. of Michigan 0 6 6
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 1 9 10
Virginia Polytechnic Institute 1 0 1
Weather 3 9 12
WRLC 0 1 1
Yale 32 31 63
Other 4 6 10
_______ ______ _____
Total number of USE commands 1,894 3,535 5,425
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 4.5
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.5
1.5 Online Publications
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Current Cites 1
DLA Bulletin 4
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 1,286
SAVE SET 1,440
RECALL SET 15
DELETE/CLEAR SET 68
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 9,154
1.7.2 REQUEST Commands
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Number of REQUEST Commands 962
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 17 18
Davis 6 0 6
Irvine 1 0 1
Los Angeles 2 9 11
Riverside 0 1 1
San Diego 0 14 14
San Francisco 37 0 37
Santa Barbara 0 1 1
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1 1
LLL 0 1 1
Los Alamos 0 2 2
Other - UC 0 0 0
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 1 1
Other - Non UC n/a 11 11
_______ ______ _____
47 58 105
1.7.4 Number of UPDATE commands by Database
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CAT 28
PE 1
TEN 0
CC databases 20
CC 17
CCT 3
IAC databases 2
MAGS 2
NEWS 0
COMP 0
MED 46
INS 3
PSYC 0
ABI 0
BIOSIS 5
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 147
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 14
Number of REDO UPDATE commands 0
Total number of UPDATEs on 09/30/00 5,145
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)