MELVYL SYSTEM TELNET STATISTICS
Time period: 05/01/00 through 05/31/00
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 7,635 23,452 31,087
Davis 20,385 3,162 23,547
Irvine 12,148 0 12,148
Los Angeles 5,026 12,738 17,764
Riverside 6,418 2,070 8,488
San Diego 4,264 7,142 11,406
San Francisco 11,747 0 11,747
Santa Barbara 5,115 4,416 9,531
Santa Cruz 6,592 3,313 9,905
NRLF 0 0 0
SRLF 13 0 13
LBL 0 1,715 1,715
LLL 0 1,186 1,186
Los Alamos 0 13 13
Other - UC 284 2,186 2,470
CSL 0 619 619
CSU n/a 1,038 1,038
Stanford n/a 2,602 2,602
Other - Non UC n/a 35,162 35,162
_______ ______ _____
79,627 100,814 180,441
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. 79
2-4 a.m. 9 2-4 p.m. 93
4-6 a.m. 8 4-6 p.m. 67
6-8 a.m. 11 6-8 p.m. 31
8-10 a.m. 47 8-10 p.m. 23
10-12 a.m. 78 10-12 p.m. 17
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 3969.57
For Non-UC users (hrs:mins) 231.97
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 23,913 69,996 93,909
Davis 64,379 10,494 74,873
Irvine 37,018 0 37,018
Los Angeles 14,945 37,992 52,937
Riverside 23,146 5,689 28,835
San Diego 12,257 17,338 29,595
San Francisco 58,746 0 58,746
Santa Barbara 16,776 13,177 29,953
Santa Cruz 22,439 10,516 32,955
NRLF 0 0 0
SRLF 16 0 16
LBL 0 4,013 4,013
LLL 0 5,014 5,014
Los Alamos 0 31 31
Other - UC 398 8,798 9,196
CSL 0 1,367 1,367
CSU n/a 4,105 4,105
Stanford n/a 8,253 8,253
Other - Non UC n/a 136,291 136,291
_______ ______ _____
274,033 333,074 607,107
Average number of FIND commands per hour:
12-2 a.m. 97 12-2 p.m. 811
2-4 a.m. 65 2-4 p.m. 1,003
4-6 a.m. 64 4-6 p.m. 681
6-8 a.m. 125 6-8 p.m. 362
8-10 a.m. 451 8-10 p.m. 250
10-12 a.m. 798 10-12 p.m. 204
Total number of FIND commands 607,107
Peak hourly load of 4,180 FIND commands occurred on 05/07/00 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 212,769 679,262 892,031
Davis 549,328 64,712 614,040
Irvine 336,745 0 336,745
Los Angeles 133,878 413,209 547,087
Riverside 182,233 66,041 248,274
San Diego 87,308 168,889 256,197
San Francisco 354,298 0 354,298
Santa Barbara 139,333 140,915 280,248
Santa Cruz 155,503 82,872 238,375
NRLF 0 0 0
SRLF 16 0 16
LBL 0 52,096 52,096
LLL 0 49,278 49,278
Los Alamos 0 242 242
Other - UC 7,040 65,011 72,051
CSL 0 10,619 10,619
CSU n/a 35,999 35,999
Stanford n/a 83,827 83,827
Other - Non UC n/a 1,101,056 1,101,056
_______ ______ _____
2,158,451 3,014,028 5,172,479
Average number of records displayed per hour:
12-2 a.m. 1,424 12-2 p.m. 14,834
2-4 a.m. 1,254 2-4 p.m. 17,503
4-6 a.m. 1,111 4-6 p.m. 12,868
6-8 a.m. 2,047 6-8 p.m. 6,597
8-10 a.m. 8,723 8-10 p.m. 4,312
10-12 a.m. 14,530 10-12 p.m. 3,262
Total number of Records Displayed 5,172,479
Peak hourly load of 33,269 records displayed occurred on 05/30/00 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 248,385 1,875,541 40.5% 40.9%
TEN 0 0 0.0% 0.0%
PE 14,689 128,354 2.8% 2.4%
ABI 4,116 8,137 0.8% 0.7%
BIOSIS 21,853 27,501 3.7% 3.6%
CC databases 49,561 492,355 9.2% 8.2%
CC 48,650 460,586 8.8% 8.0%
CCT 911 31,769 0.4% 0.2%
IAC databases 39,159 435,187 6.9% 6.4%
MAGS 35,140 389,806 6.0% 5.8%
NEWS 3,021 25,086 0.7% 0.5%
COMP 998 20,295 0.2% 0.2%
INS databases 17,882 139,180 4.5% 2.9%
INS 12,401 102,490 2.8% 2.0%
INS90 2,096 13,101 0.6% 0.3%
INS85 1,261 7,689 0.4% 0.2%
INS80 982 6,341 0.3% 0.2%
INS69 1,142 9,559 0.3% 0.2%
MED databases 127,793 1,112,770 19.9% 21.0%
MED 106,422 969,074 14.3% 17.5%
MED90 10,268 73,653 2.6% 1.7%
MED85 4,660 28,875 1.3% 0.8%
MED80 3,024 16,394 0.8% 0.5%
MED75 1,773 9,707 0.5% 0.3%
MED66 1,646 15,067 0.4% 0.3%
PSYC 29,392 47,744 4.0% 4.8%
OCLC 47,308 58,338 6.3% 7.8%
RLG 5,000 4,696 1.0% 0.8%
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) 142 141 283
GEOREF (Stanford) 155 512 667
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 309 460 769
Arizona State University 3 9 12
Boston University 2 0 2
California State Library 2 35 37
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 12 46 58
Cambridge University, England 2 12 14
CARL 1 14 15
CARL Uncover 30 52 82
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 1 1
Cleveland Free-Net 0 0 0
Dartmouth College 0 1 1
DIALOG 24 130 154
DRA LC 48 6 54
Earthquake Engineering Abstracts 0 0 0
FS INFO 14 17 31
Harvard 9 21 30
Library of Congress (LOCIS) 29 23 52
Los Angeles Public Library 3 11 14
National Agricultural Library 26 10 36
NLM AIDSDBS 11 7 18
NLM Databases (Medlars) 68 34 102
Northern Regional Lib Facility 552 92 644
New York Public Library 4 37 41
OCEAN Information Center 0 0 0
OCLC Catalog 1 279 280
OCLC EPIC 1 1 2
Oxford University, England 0 11 11
Princeton 2 3 5
Rensselaer Polytechnic Institute 0 0 0
RLIN 163 329 492
San Francisco State University 1 1 2
San Jose State University 0 3 3
Santa Clara University (OSCAR) 0 2 2
Stanford University 24 393 417
SUNY Buffalo (BISON) 8 8 16
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 422 589 1,011
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 16 9 25
UCLA ORION 6 13 19
UCSC CRUZCAT 6 31 37
UCSC INFOSLUG 0 0 0
UCSD ROGER 6 21 27
UCSF Catalog 23 2 25
Univ. of Hawaii 3 1 4
Univ. of Tennessee 0 0 0
Univ. of Michigan 1 28 29
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 1 1
Weather 7 12 19
WRLC 0 3 3
Yale 27 15 42
Other 22 12 34
_______ ______ _____
Total number of USE commands 2,185 3,446 5,628
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.9
Standard deviation in seconds 4.6
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.8
1.5 Online Publications
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Current Cites 0
DLA Bulletin 4
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 969
SAVE SET 1,089
RECALL SET 30
DELETE/CLEAR SET 19
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 11,778
1.7.2 REQUEST Commands
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Number of REQUEST Commands 983
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 9 9
Davis 2 1 3
Irvine 4 0 4
Los Angeles 0 1 1
Riverside 2 2 4
San Diego 0 5 5
San Francisco 19 0 19
Santa Barbara 4 0 4
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1 1
LLL 0 6 6
Los Alamos 0 0 0
Other - UC 0 0 0
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 2 2
Other - Non UC n/a 3 3
_______ ______ _____
31 30 61
1.7.4 Number of UPDATE commands by Database
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CAT 12
PE 0
TEN 0
CC databases 13
CC 13
CCT 0
IAC databases 3
MAGS 1
NEWS 1
COMP 1
MED 21
INS 1
PSYC 0
ABI 4
BIOSIS 7
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 102
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 4
Number of REDO UPDATE commands 1
Total number of UPDATEs on 05/31/00 5,133
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)