MELVYL SYSTEM TELNET STATISTICS
Time period: 07/01/99 through 07/31/99
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 11,302 29,968 41,270
Davis 27,254 4,529 31,783
Irvine 16,681 0 16,681
Los Angeles 8,283 21,229 29,512
Riverside 5,124 3,401 8,525
San Diego 5,257 8,622 13,879
San Francisco 18,635 180 18,815
Santa Barbara 7,468 5,698 13,166
Santa Cruz 4,737 5,535 10,272
NRLF 0 0 0
SRLF 0 0 0
LBL 0 2,477 2,477
LLL 0 2,752 2,752
Los Alamos 0 45 45
Other - UC 573 2,266 2,839
CSL 0 854 854
CSU n/a 1,586 1,586
Stanford n/a 4,763 4,763
Other - Non UC n/a 46,036 46,036
_______ ______ _____
105,314 139,941 245,255
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 13 12-2 p.m. 105
2-4 a.m. 11 2-4 p.m. 126
4-6 a.m. 8 4-6 p.m. 86
6-8 a.m. 14 6-8 p.m. 31
8-10 a.m. 62 8-10 p.m. 19
10-12 a.m. 111 10-12 p.m. 17
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 5900.90
For Non-UC users (hrs:mins) 358.57
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 37,505 88,549 126,054
Davis 86,118 14,811 100,929
Irvine 51,420 0 51,420
Los Angeles 25,086 60,075 85,161
Riverside 17,460 9,771 27,231
San Diego 16,673 23,744 40,417
San Francisco 54,224 559 54,783
Santa Barbara 23,753 17,309 41,062
Santa Cruz 14,273 19,963 34,236
NRLF 0 0 0
SRLF 0 0 0
LBL 0 6,586 6,586
LLL 0 9,160 9,160
Los Alamos 0 138 138
Other - UC 671 6,674 7,345
CSL 0 3,073 3,073
CSU n/a 5,961 5,961
Stanford n/a 13,709 13,709
Other - Non UC n/a 181,635 181,635
_______ ______ _____
327,183 461,717 788,900
Average number of FIND commands per hour:
12-2 a.m. 183 12-2 p.m. 1,115
2-4 a.m. 144 2-4 p.m. 1,329
4-6 a.m. 91 4-6 p.m. 893
6-8 a.m. 169 6-8 p.m. 342
8-10 a.m. 668 8-10 p.m. 193
10-12 a.m. 1,177 10-12 p.m. 207
Total number of FIND commands 788,900
Peak hourly load of 2,453 FIND commands occurred on 07/29/99 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 345,124 885,625 1,230,749
Davis 705,211 88,688 793,899
Irvine 531,004 0 531,004
Los Angeles 244,088 666,193 910,281
Riverside 141,452 92,946 234,398
San Diego 108,190 220,561 328,751
San Francisco 519,037 5,718 524,755
Santa Barbara 222,796 171,664 394,460
Santa Cruz 111,196 162,670 273,866
NRLF 0 0 0
SRLF 0 0 0
LBL 0 67,824 67,824
LLL 0 96,398 96,398
Los Alamos 0 4,326 4,326
Other - UC 6,997 58,891 65,888
CSL 0 14,950 14,950
CSU n/a 72,644 72,644
Stanford n/a 139,718 139,718
Other - Non UC n/a 1,674,094 1,674,094
_______ ______ _____
2,935,095 4,422,910 7,358,005
Average number of records displayed per hour:
12-2 a.m. 2,292 12-2 p.m. 22,872
2-4 a.m. 2,658 2-4 p.m. 25,657
4-6 a.m. 1,358 4-6 p.m. 18,164
6-8 a.m. 3,250 6-8 p.m. 6,954
8-10 a.m. 12,340 8-10 p.m. 3,934
10-12 a.m. 23,064 10-12 p.m. 3,680
Total number of Records Displayed 7,358,005
Peak hourly load of 66,151 records displayed occurred on 07/30/99 at 1 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 329,674 2,519,794 40.1% 41.8%
TEN 0 0 0.0% 0.0%
PE 20,944 198,519 2.9% 2.7%
ABI 7,172 15,185 0.9% 0.9%
BIOSIS 31,083 41,039 3.7% 3.9%
CC databases 77,634 840,415 9.7% 9.8%
CC 76,048 771,891 9.3% 9.6%
CCT 1,586 68,524 0.4% 0.2%
IAC databases 46,498 693,261 6.0% 5.9%
MAGS 40,681 581,878 5.0% 5.2%
NEWS 4,111 95,011 0.7% 0.5%
COMP 1,706 16,372 0.2% 0.2%
INS databases 28,547 221,712 5.0% 3.6%
INS 19,137 158,594 3.1% 2.4%
INS90 3,211 19,973 0.7% 0.4%
INS85 2,215 14,222 0.5% 0.3%
INS80 1,984 12,713 0.4% 0.3%
INS69 2,000 16,210 0.3% 0.3%
MED databases 173,294 1,769,145 23.5% 22.0%
MED 132,364 1,486,581 16.4% 16.8%
MED90 19,389 148,800 3.2% 2.5%
MED85 9,358 61,188 1.7% 1.2%
MED80 5,548 35,266 1.0% 0.7%
MED75 3,608 20,442 0.6% 0.5%
MED66 3,027 16,868 0.4% 0.4%
PSYC 33,483 50,793 3.2% 4.2%
OCLC 30,794 34,705 3.8% 3.9%
RLG 6,888 7,491 0.9% 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) 697 240 937
GEOREF (Stanford) 374 860 1,234
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 2,043 2,403 4,446
RLG Eureka 434 457 891
Arizona State University 2 7 9
Boston University 1 7 8
California State Library 6 16 22
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 1 1 2
Cal State Univ., Hayward 35 177 212
Cambridge University, England 12 10 22
CARL 10 12 22
CARL Uncover 25 83 108
Chicano/Latino Net Gopher 0 0 0
Claremont College 2 1 3
Cleveland Free-Net 1 0 1
Dartmouth College 1 4 5
DIALOG 32 101 133
DRA LC 35 6 41
Earthquake Engineering Abstracts 0 0 0
FS INFO 5 45 50
Harvard 46 100 146
Library of Congress (LOCIS) 76 347 423
Los Angeles Public Library 58 19 77
National Agricultural Library 29 18 47
NLM AIDSDBS 15 9 24
NLM Databases (Medlars) 133 92 225
Northern Regional Lib Facility 331 138 469
New York Public Library 2 41 43
OCEAN Information Center 0 0 0
OCLC Catalog 35 248 283
OCLC EPIC 0 0 0
Oxford University, England 4 16 20
Princeton 1 8 9
Rensselaer Polytechnic Institute 0 0 0
RLIN 208 324 532
San Francisco State University 7 7 14
San Jose State University 7 16 23
Santa Clara University (OSCAR) 1 0 1
Stanford University 86 459 545
SUNY Buffalo (BISON) 50 16 66
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 646 920 1,566
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 88 42 130
UCLA ORION 382 243 625
UCSC CRUZCAT 41 38 79
UCSC INFOSLUG 0 0 0
UCSD ROGER 87 65 152
UCSF Catalog 61 21 82
Univ. of Hawaii 1 5 6
Univ. of Tennessee 0 0 0
Univ. of Michigan 4 6 10
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 5 7 12
Virginia Polytechnic Institute 0 2 2
Weather 47 28 75
WRLC 0 5 5
Yale 38 19 57
Other 14 33 47
_______ ______ _____
Total number of USE commands 6,219 7,722 13,918
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 3.8
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 0
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 1,583
SAVE SET 2,041
RECALL SET 77
DELETE/CLEAR SET 47
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 18,214
1.7.2 REQUEST Commands
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Number of REQUEST Commands 2,107
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2 40 42
Davis 17 4 21
Irvine 4 0 4
Los Angeles 1 3 4
Riverside 1 1 2
San Diego 0 4 4
San Francisco 8 0 8
Santa Barbara 4 8 12
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 3 3
Los Alamos 0 0 0
Other - UC 1 0 1
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 1 1
Other - Non UC n/a 10 10
_______ ______ _____
38 74 112
1.7.4 Number of UPDATE commands by Database
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CAT 17
PE 0
TEN 0
CC databases 55
CC 51
CCT 4
IAC databases 3
MAGS 3
NEWS 0
COMP 0
MED 20
INS 7
PSYC 0
ABI 0
BIOSIS 10
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 297
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 30
Number of REDO UPDATE commands 2
Total number of UPDATEs on 07/31/99 8,079