MELVYL SYSTEM TELNET STATISTICS
Time period: 09/01/99 through 09/30/99
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 19,481 43,450 62,931
Davis 26,650 4,038 30,688
Irvine 16,002 0 16,002
Los Angeles 7,157 18,918 26,075
Riverside 5,255 3,465 8,720
San Diego 6,735 9,865 16,600
San Francisco 19,188 491 19,679
Santa Barbara 5,824 6,702 12,526
Santa Cruz 4,412 6,396 10,808
NRLF 0 0 0
SRLF 4 0 4
LBL 0 2,584 2,584
LLL 0 2,618 2,618
Los Alamos 0 60 60
Other - UC 951 3,936 4,887
CSL 0 917 917
CSU n/a 2,223 2,223
Stanford n/a 4,568 4,568
Other - Non UC n/a 47,840 47,840
_______ ______ _____
111,659 158,071 269,730
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 15 12-2 p.m. 120
2-4 a.m. 11 2-4 p.m. 143
4-6 a.m. 8 4-6 p.m. 94
6-8 a.m. 14 6-8 p.m. 36
8-10 a.m. 66 8-10 p.m. 24
10-12 a.m. 121 10-12 p.m. 20
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 6369.83
For Non-UC users (hrs:mins) 428.47
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 62,707 129,551 192,258
Davis 85,041 14,938 99,979
Irvine 47,153 0 47,153
Los Angeles 23,509 54,272 77,781
Riverside 16,246 9,224 25,470
San Diego 18,380 25,795 44,175
San Francisco 56,391 1,589 57,980
Santa Barbara 20,405 18,946 39,351
Santa Cruz 12,685 22,554 35,239
NRLF 0 0 0
SRLF 2 0 2
LBL 0 6,280 6,280
LLL 0 8,753 8,753
Los Alamos 0 138 138
Other - UC 1,402 11,940 13,342
CSL 0 2,914 2,914
CSU n/a 9,453 9,453
Stanford n/a 13,689 13,689
Other - Non UC n/a 175,528 175,528
_______ ______ _____
343,921 505,564 849,485
Average number of FIND commands per hour:
12-2 a.m. 163 12-2 p.m. 1,286
2-4 a.m. 132 2-4 p.m. 1,528
4-6 a.m. 92 4-6 p.m. 977
6-8 a.m. 199 6-8 p.m. 374
8-10 a.m. 724 8-10 p.m. 240
10-12 a.m. 1,302 10-12 p.m. 219
Total number of FIND commands 849,485
Peak hourly load of 2,401 FIND commands occurred on 09/03/99 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 580,229 1,453,359 2,033,588
Davis 687,926 86,760 774,686
Irvine 449,261 0 449,261
Los Angeles 218,537 574,138 792,675
Riverside 135,864 88,278 224,142
San Diego 113,559 245,470 359,029
San Francisco 619,691 16,616 636,307
Santa Barbara 166,328 190,045 356,373
Santa Cruz 100,905 154,650 255,555
NRLF 0 0 0
SRLF 21 0 21
LBL 0 71,303 71,303
LLL 0 88,623 88,623
Los Alamos 0 810 810
Other - UC 19,105 131,249 150,354
CSL 0 13,759 13,759
CSU n/a 101,005 101,005
Stanford n/a 159,420 159,420
Other - Non UC n/a 1,350,376 1,350,376
_______ ______ _____
3,091,426 4,725,861 7,817,287
Average number of records displayed per hour:
12-2 a.m. 2,522 12-2 p.m. 24,424
2-4 a.m. 2,622 2-4 p.m. 28,744
4-6 a.m. 1,567 4-6 p.m. 18,702
6-8 a.m. 3,214 6-8 p.m. 7,710
8-10 a.m. 13,031 8-10 p.m. 5,384
10-12 a.m. 24,181 10-12 p.m. 4,240
Total number of Records Displayed 7,817,287
Peak hourly load of 41,854 records displayed occurred on 09/28/99 at 11 am
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 354,008 2,659,532 40.2% 41.7%
TEN 0 0 0.0% 0.0%
PE 24,942 213,247 2.8% 2.9%
ABI 7,048 11,926 0.8% 0.8%
BIOSIS 34,067 45,464 3.9% 4.0%
CC databases 81,443 839,057 9.8% 9.6%
CC 79,929 780,248 9.4% 9.4%
CCT 1,514 58,809 0.5% 0.2%
IAC databases 47,226 556,809 5.7% 5.6%
MAGS 41,578 504,485 4.9% 4.9%
NEWS 4,165 34,873 0.6% 0.5%
COMP 1,483 17,451 0.2% 0.2%
INS databases 30,177 223,474 5.1% 3.6%
INS 20,354 162,224 3.2% 2.4%
INS90 3,696 19,773 0.7% 0.4%
INS85 2,525 15,313 0.5% 0.3%
INS80 1,884 10,930 0.4% 0.2%
INS69 1,718 15,234 0.3% 0.2%
MED databases 181,765 2,020,742 22.3% 21.4%
MED 142,529 1,690,885 15.9% 16.8%
MED90 18,997 163,197 3.0% 2.2%
MED85 8,932 80,074 1.5% 1.1%
MED80 5,569 41,488 1.0% 0.7%
MED75 3,143 23,181 0.5% 0.4%
MED66 2,595 21,917 0.4% 0.3%
PSYC 33,879 52,699 3.1% 4.0%
OCLC 39,162 44,561 4.5% 4.6%
RLG 12,905 15,430 1.4% 1.5%
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) 465 252 717
GEOREF (Stanford) 373 937 1,310
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 638 568 1,206
Arizona State University 2 18 20
Boston University 2 4 6
California State Library 0 16 16
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 6 6
Cal State Univ., Hayward 38 206 244
Cambridge University, England 4 11 15
CARL 7 21 28
CARL Uncover 35 109 144
Chicano/Latino Net Gopher 0 0 0
Claremont College 4 3 7
Cleveland Free-Net 7 122 129
Dartmouth College 2 9 11
DIALOG 4 146 150
DRA LC 28 7 35
Earthquake Engineering Abstracts 0 0 0
FS INFO 2 31 33
Harvard 62 106 168
Library of Congress (LOCIS) 57 303 360
Los Angeles Public Library 132 29 161
National Agricultural Library 28 18 46
NLM AIDSDBS 10 18 28
NLM Databases (Medlars) 86 78 164
Northern Regional Lib Facility 459 154 613
New York Public Library 1 31 32
OCEAN Information Center 0 0 0
OCLC Catalog 8 307 315
OCLC EPIC 0 3 3
Oxford University, England 4 22 26
Princeton 1 9 10
Rensselaer Polytechnic Institute 0 2 2
RLIN 268 375 643
San Francisco State University 4 2 6
San Jose State University 9 7 16
Santa Clara University (OSCAR) 0 7 7
Stanford University 82 497 579
SUNY Buffalo (BISON) 41 23 64
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 739 1,025 1,764
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 73 42 115
UCLA ORION 379 196 575
UCSC CRUZCAT 41 84 125
UCSC INFOSLUG 0 0 0
UCSD ROGER 71 95 166
UCSF Catalog 59 16 75
Univ. of Hawaii 6 8 14
Univ. of Tennessee 0 0 0
Univ. of Michigan 9 13 22
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 3 14 17
Virginia Polytechnic Institute 0 1 1
Weather 64 16 80
WRLC 0 0 0
Yale 51 18 69
Other 24 13 37
_______ ______ _____
Total number of USE commands 4,382 5,998 10,364
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 1.1
Standard deviation in seconds 5.4
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.3
Standard deviation in seconds 0.9
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 2,079
SAVE SET 2,509
RECALL SET 43
DELETE/CLEAR SET 147
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 16,926
1.7.2 REQUEST Commands
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Number of REQUEST Commands 2,091
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 4 10 14
Davis 12 1 13
Irvine 3 0 3
Los Angeles 2 4 6
Riverside 0 5 5
San Diego 1 10 11
San Francisco 20 1 21
Santa Barbara 0 2 2
Santa Cruz 1 3 4
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 3 3
Los Alamos 0 3 3
Other - UC 0 1 1
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 3 3
Other - Non UC n/a 11 11
_______ ______ _____
43 57 100
1.7.4 Number of UPDATE commands by Database
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CAT 21
PE 0
TEN 0
CC databases 21
CC 19
CCT 2
IAC databases 6
MAGS 4
NEWS 1
COMP 1
MED 33
INS 5
PSYC 1
ABI 0
BIOSIS 12
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 286
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 13
Number of REDO UPDATE commands 0
Total number of UPDATEs on 09/30/99 8,112