MELVYL SYSTEM TELNET STATISTICS
Time period: 11/01/99 through 11/30/99
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 22,682 42,962 65,644
Davis 30,825 4,215 35,040
Irvine 20,593 0 20,593
Los Angeles 9,792 25,044 34,836
Riverside 10,641 3,100 13,741
San Diego 5,713 10,320 16,033
San Francisco 16,013 177 16,190
Santa Barbara 8,238 7,103 15,341
Santa Cruz 13,494 6,676 20,170
NRLF 0 0 0
SRLF 21 0 21
LBL 0 2,335 2,335
LLL 0 2,810 2,810
Los Alamos 0 48 48
Other - UC 595 4,814 5,409
CSL 0 814 814
CSU n/a 1,925 1,925
Stanford n/a 4,402 4,402
Other - Non UC n/a 50,812 50,812
_______ ______ _____
138,607 167,557 306,164
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 16 12-2 p.m. 137
2-4 a.m. 11 2-4 p.m. 163
4-6 a.m. 9 4-6 p.m. 114
6-8 a.m. 15 6-8 p.m. 53
8-10 a.m. 69 8-10 p.m. 36
10-12 a.m. 130 10-12 p.m. 24
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 5901.80
For Non-UC users (hrs:mins) 367.27
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 72,850 132,106 204,956
Davis 100,980 15,258 116,238
Irvine 63,653 0 63,653
Los Angeles 39,867 79,817 119,684
Riverside 36,790 8,571 45,361
San Diego 17,408 27,912 45,320
San Francisco 47,545 679 48,224
Santa Barbara 29,669 18,873 48,542
Santa Cruz 50,029 31,273 81,302
NRLF 0 0 0
SRLF 40 0 40
LBL 0 6,143 6,143
LLL 0 9,724 9,724
Los Alamos 0 138 138
Other - UC 1,499 29,138 30,637
CSL 0 2,992 2,992
CSU n/a 9,166 9,166
Stanford n/a 13,106 13,106
Other - Non UC n/a 194,547 194,547
_______ ______ _____
460,330 579,443 1,039,773
Average number of FIND commands per hour:
12-2 a.m. 222 12-2 p.m. 1,511
2-4 a.m. 124 2-4 p.m. 1,754
4-6 a.m. 105 4-6 p.m. 1,194
6-8 a.m. 174 6-8 p.m. 564
8-10 a.m. 767 8-10 p.m. 379
10-12 a.m. 1,399 10-12 p.m. 301
Total number of FIND commands 1,039,773
Peak hourly load of 3,002 FIND commands occurred on 11/22/99 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 693,410 1,415,620 2,109,030
Davis 875,088 90,503 965,591
Irvine 611,818 0 611,818
Los Angeles 333,753 843,035 1,176,788
Riverside 316,842 98,106 414,948
San Diego 109,930 272,879 382,809
San Francisco 502,846 10,644 513,490
Santa Barbara 266,835 277,220 544,055
Santa Cruz 340,585 192,390 532,975
NRLF 0 0 0
SRLF 356 0 356
LBL 0 74,008 74,008
LLL 0 98,998 98,998
Los Alamos 0 915 915
Other - UC 8,568 187,473 196,041
CSL 0 11,763 11,763
CSU n/a 101,968 101,968
Stanford n/a 135,695 135,695
Other - Non UC n/a 1,503,803 1,503,803
_______ ______ _____
4,060,031 5,315,020 9,375,051
Average number of records displayed per hour:
12-2 a.m. 2,785 12-2 p.m. 29,450
2-4 a.m. 2,385 2-4 p.m. 33,882
4-6 a.m. 1,214 4-6 p.m. 25,049
6-8 a.m. 3,124 6-8 p.m. 13,207
8-10 a.m. 15,312 8-10 p.m. 8,708
10-12 a.m. 27,456 10-12 p.m. 4,871
Total number of Records Displayed 9,375,051
Peak hourly load of 54,209 records displayed occurred on 11/17/99 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 457,251 3,262,577 40.6% 44.0%
TEN 0 0 0.0% 0.0%
PE 25,199 239,603 2.9% 2.4%
ABI 8,256 15,617 0.8% 0.8%
BIOSIS 48,539 67,675 4.3% 4.7%
CC databases 86,545 886,413 9.2% 8.3%
CC 84,955 823,512 8.8% 8.2%
CCT 1,590 62,901 0.5% 0.2%
IAC databases 89,935 1,014,450 9.0% 8.6%
MAGS 80,173 910,815 7.8% 7.7%
NEWS 7,756 66,033 0.9% 0.7%
COMP 2,006 37,602 0.3% 0.2%
INS databases 32,384 331,792 4.7% 3.1%
INS 22,244 204,851 2.9% 2.1%
INS90 3,606 32,858 0.7% 0.3%
INS85 2,355 21,340 0.4% 0.2%
INS80 1,917 19,165 0.4% 0.2%
INS69 2,262 53,578 0.4% 0.2%
MED databases 162,825 1,795,470 17.8% 15.7%
MED 130,004 1,588,508 12.8% 12.5%
MED90 15,481 111,885 2.3% 1.5%
MED85 7,505 44,301 1.2% 0.7%
MED80 4,843 25,385 0.8% 0.5%
MED75 2,739 12,665 0.5% 0.3%
MED66 2,253 12,726 0.3% 0.2%
PSYC 53,661 86,272 4.2% 5.2%
OCLC 62,356 68,675 5.0% 6.0%
RLG 9,693 9,519 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) 905 416 1,321
GEOREF (Stanford) 630 1,020 1,650
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 596 656 1,252
Arizona State University 7 8 15
Boston University 6 13 19
California State Library 7 16 23
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 1 5 6
Cal State Univ., Hayward 26 50 76
Cambridge University, England 6 20 26
CARL 3 20 23
CARL Uncover 59 129 188
Chicano/Latino Net Gopher 0 0 0
Claremont College 1 5 6
Cleveland Free-Net 9 3 12
Dartmouth College 4 9 13
DIALOG 18 163 181
DRA LC 36 6 42
Earthquake Engineering Abstracts 0 0 0
FS INFO 20 30 50
Harvard 34 77 111
Library of Congress (LOCIS) 51 190 241
Los Angeles Public Library 14 39 53
National Agricultural Library 53 18 71
NLM AIDSDBS 15 8 23
NLM Databases (Medlars) 55 75 130
Northern Regional Lib Facility 559 172 731
New York Public Library 3 47 50
OCEAN Information Center 0 0 0
OCLC Catalog 17 308 325
OCLC EPIC 0 0 0
Oxford University, England 1 43 44
Princeton 8 13 21
Rensselaer Polytechnic Institute 0 2 2
RLIN 275 305 580
San Francisco State University 6 6 12
San Jose State University 5 10 15
Santa Clara University (OSCAR) 1 1 2
Stanford University 45 588 633
SUNY Buffalo (BISON) 26 22 48
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 701 1,032 1,733
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 75 37 112
UCLA ORION 22 39 61
UCSC CRUZCAT 59 81 140
UCSC INFOSLUG 0 0 0
UCSD ROGER 94 96 190
UCSF Catalog 99 7 106
Univ. of Hawaii 3 2 5
Univ. of Tennessee 0 3 3
Univ. of Michigan 3 16 19
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 8 29 37
Virginia Polytechnic Institute 0 4 4
Weather 20 47 67
WRLC 0 1 1
Yale 41 40 81
Other 43 12 55
_______ ______ _____
Total number of USE commands 4,670 5,939 10,594
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 1.0
Standard deviation in seconds 4.7
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.9
1.5 Online Publications
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Current Cites 2
DLA Bulletin 6
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 1,751
SAVE SET 1,852
RECALL SET 28
DELETE/CLEAR SET 40
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 20,260
1.7.2 REQUEST Commands
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Number of REQUEST Commands 2,134
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2 18 20
Davis 13 0 13
Irvine 5 0 5
Los Angeles 0 6 6
Riverside 1 1 2
San Diego 0 20 20
San Francisco 6 0 6
Santa Barbara 6 1 7
Santa Cruz 0 7 7
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 0 0
Los Alamos 0 0 0
Other - UC 0 1 1
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 0 0
Other - Non UC n/a 12 12
_______ ______ _____
33 66 99
1.7.4 Number of UPDATE commands by Database
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CAT 19
PE 0
TEN 0
CC databases 38
CC 37
CCT 1
IAC databases 3
MAGS 3
NEWS 0
COMP 0
MED 17
INS 4
PSYC 2
ABI 1
BIOSIS 15
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 261
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 13
Number of REDO UPDATE commands 1
Total number of UPDATEs on 11/30/99 6,245