MELVYL SYSTEM TELNET STATISTICS
Time period: 06/01/99 through 06/30/99
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 11,239 39,353 50,592
Davis 36,430 5,371 41,801
Irvine 23,167 0 23,167
Los Angeles 9,778 25,893 35,671
Riverside 10,262 3,800 14,062
San Diego 5,218 13,843 19,061
San Francisco 21,278 346 21,624
Santa Barbara 10,996 7,179 18,175
Santa Cruz 7,311 6,663 13,974
NRLF 0 0 0
SRLF 0 0 0
LBL 0 2,758 2,758
LLL 0 2,974 2,974
Los Alamos 0 101 101
Other - UC 639 2,912 3,551
CSL 0 845 845
CSU n/a 1,871 1,871
Stanford n/a 5,250 5,250
Other - Non UC n/a 49,379 49,379
_______ ______ _____
136,318 168,538 304,856
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 18 12-2 p.m. 134
2-4 a.m. 12 2-4 p.m. 163
4-6 a.m. 8 4-6 p.m. 111
6-8 a.m. 15 6-8 p.m. 47
8-10 a.m. 72 8-10 p.m. 33
10-12 a.m. 134 10-12 p.m. 26
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 7012.53
For Non-UC users (hrs:mins) 422.60
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 40,333 115,832 156,165
Davis 115,693 19,540 135,233
Irvine 72,496 0 72,496
Los Angeles 28,530 74,133 102,663
Riverside 33,750 9,986 43,736
San Diego 14,945 37,445 52,390
San Francisco 60,343 1,037 61,380
Santa Barbara 38,094 21,594 59,688
Santa Cruz 22,003 20,397 42,400
NRLF 0 0 0
SRLF 0 0 0
LBL 0 7,886 7,886
LLL 0 9,874 9,874
Los Alamos 0 236 236
Other - UC 681 9,979 10,660
CSL 0 1,978 1,978
CSU n/a 8,303 8,303
Stanford n/a 14,857 14,857
Other - Non UC n/a 191,449 191,449
_______ ______ _____
426,868 544,526 971,394
Average number of FIND commands per hour:
12-2 a.m. 249 12-2 p.m. 1,380
2-4 a.m. 207 2-4 p.m. 1,622
4-6 a.m. 108 4-6 p.m. 1,058
6-8 a.m. 188 6-8 p.m. 432
8-10 a.m. 796 8-10 p.m. 300
10-12 a.m. 1,419 10-12 p.m. 278
Total number of FIND commands 971,394
Peak hourly load of 2,615 FIND commands occurred on 06/01/99 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 348,167 1,123,876 1,472,043
Davis 1,150,866 120,367 1,271,233
Irvine 617,894 0 617,894
Los Angeles 282,204 846,151 1,128,355
Riverside 285,784 97,254 383,038
San Diego 87,064 360,198 447,262
San Francisco 599,962 12,536 612,498
Santa Barbara 363,869 214,447 578,316
Santa Cruz 168,407 193,388 361,795
NRLF 0 0 0
SRLF 0 0 0
LBL 0 84,630 84,630
LLL 0 90,784 90,784
Los Alamos 0 9,932 9,932
Other - UC 5,981 95,502 101,483
CSL 0 16,235 16,235
CSU n/a 78,219 78,219
Stanford n/a 161,554 161,554
Other - Non UC n/a 1,500,090 1,500,090
_______ ______ _____
3,910,198 5,005,163 8,915,361
Average number of records displayed per hour:
12-2 a.m. 3,145 12-2 p.m. 26,720
2-4 a.m. 2,631 2-4 p.m. 31,257
4-6 a.m. 1,259 4-6 p.m. 21,428
6-8 a.m. 3,835 6-8 p.m. 9,612
8-10 a.m. 15,270 8-10 p.m. 6,995
10-12 a.m. 26,572 10-12 p.m. 5,454
Total number of Records Displayed 8,915,361
Peak hourly load of 56,732 records displayed occurred on 06/01/99 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 392,177 2,890,923 39.9% 40.4%
TEN 0 0 0.0% 0.0%
PE 25,098 214,702 2.6% 2.6%
ABI 11,611 24,140 1.0% 1.2%
BIOSIS 39,386 54,272 3.7% 4.1%
CC databases 95,421 957,253 10.0% 9.8%
CC 93,509 887,161 9.5% 9.6%
CCT 1,912 70,092 0.5% 0.2%
IAC databases 84,286 897,762 8.0% 8.7%
MAGS 75,056 817,060 6.9% 7.7%
NEWS 6,839 52,459 0.8% 0.7%
COMP 2,391 28,243 0.3% 0.2%
INS databases 35,694 302,809 4.9% 3.7%
INS 24,955 234,089 3.1% 2.6%
INS90 3,301 19,337 0.6% 0.3%
INS85 2,720 15,946 0.5% 0.3%
INS80 2,374 13,873 0.4% 0.2%
INS69 2,344 19,564 0.3% 0.2%
MED databases 196,619 2,237,173 21.7% 20.2%
MED 154,291 1,752,281 15.3% 15.9%
MED90 20,388 226,805 2.9% 2.1%
MED85 9,539 123,019 1.5% 1.0%
MED80 5,956 70,924 1.0% 0.6%
MED75 3,448 29,358 0.6% 0.4%
MED66 2,997 34,786 0.4% 0.3%
PSYC 45,276 73,402 3.4% 4.7%
OCLC 33,946 39,083 3.5% 3.5%
RLG 9,124 8,339 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) 480 255 735
GEOREF (Stanford) 619 1,354 1,973
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 2,139 2,367 4,506
RLG Eureka 486 497 983
Arizona State University 0 10 10
Boston University 3 20 23
California State Library 4 19 23
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 5 5
Cal State Univ., Hayward 28 121 149
Cambridge University, England 11 23 34
CARL 3 18 21
CARL Uncover 42 114 156
Chicano/Latino Net Gopher 0 0 0
Claremont College 1 7 8
Cleveland Free-Net 8 88 96
Dartmouth College 1 13 14
DIALOG 25 109 134
DRA LC 37 3 40
Earthquake Engineering Abstracts 0 3 3
FS INFO 15 39 54
Harvard 82 108 190
Library of Congress (LOCIS) 55 421 476
Los Angeles Public Library 82 28 110
National Agricultural Library 49 17 66
NLM AIDSDBS 16 18 34
NLM Databases (Medlars) 115 71 186
Northern Regional Lib Facility 526 145 671
New York Public Library 2 114 116
OCEAN Information Center 0 0 0
OCLC Catalog 34 252 286
OCLC EPIC 0 5 5
Oxford University, England 4 16 20
Princeton 2 8 10
Rensselaer Polytechnic Institute 0 2 2
RLIN 206 294 500
San Francisco State University 4 9 13
San Jose State University 7 6 13
Santa Clara University (OSCAR) 0 3 3
Stanford University 119 406 525
SUNY Buffalo (BISON) 45 18 63
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 631 1,085 1,716
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 125 39 164
UCLA ORION 471 253 724
UCSC CRUZCAT 68 68 136
UCSC INFOSLUG 0 0 0
UCSD ROGER 118 123 241
UCSF Catalog 72 24 96
Univ. of Hawaii 5 9 14
Univ. of Tennessee 0 1 1
Univ. of Michigan 8 14 22
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 2 31 33
Virginia Polytechnic Institute 0 2 2
Weather 70 90 160
WRLC 0 3 3
Yale 28 24 52
Other 32 33 65
_______ ______ _____
Total number of USE commands 6,880 8,805 15,672
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 3.9
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.0
1.5 Online Publications
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Current Cites 0
DLA Bulletin 4
Mynd of MELVYL 2
1.6 Search SET commands
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FIND SET 2,080
SAVE SET 2,559
RECALL SET 71
DELETE/CLEAR SET 44
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 22,282
1.7.2 REQUEST Commands
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Number of REQUEST Commands 2,119
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2 8 10
Davis 18 2 20
Irvine 8 0 8
Los Angeles 1 5 6
Riverside 0 3 3
San Diego 2 5 7
San Francisco 30 0 30
Santa Barbara 4 6 10
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 11 11
Other - Non UC n/a 3 3
_______ ______ _____
65 50 115
1.7.4 Number of UPDATE commands by Database
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CAT 26
PE 0
TEN 0
CC databases 32
CC 31
CCT 1
IAC databases 12
MAGS 4
NEWS 8
COMP 0
MED 33
INS 3
PSYC 3
ABI 0
BIOSIS 4
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 305
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 5
Number of REDO UPDATE commands 0
Total number of UPDATEs on 06/30/99 7,946