MELVYL SYSTEM TELNET STATISTICS
Time period: 05/01/99 through 05/31/99
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 17,559 45,659 63,218
Davis 46,977 5,464 52,441
Irvine 29,033 0 29,033
Los Angeles 11,890 31,986 43,876
Riverside 17,239 4,447 21,686
San Diego 5,433 19,123 24,556
San Francisco 23,150 598 23,748
Santa Barbara 17,757 8,629 26,386
Santa Cruz 20,220 8,934 29,154
NRLF 0 0 0
SRLF 0 0 0
LBL 0 3,363 3,363
LLL 0 3,619 3,619
Los Alamos 0 123 123
Other - UC 555 4,508 5,063
CSL 0 993 993
CSU n/a 2,247 2,247
Stanford n/a 6,955 6,955
Other - Non UC n/a 50,885 50,885
_______ ______ _____
189,813 197,533 387,346
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 22 12-2 p.m. 165
2-4 a.m. 13 2-4 p.m. 200
4-6 a.m. 9 4-6 p.m. 145
6-8 a.m. 15 6-8 p.m. 71
8-10 a.m. 77 8-10 p.m. 54
10-12 a.m. 150 10-12 p.m. 36
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 8464.57
For Non-UC users (hrs:mins) 488.43
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 58,694 132,731 191,425
Davis 156,503 19,862 176,365
Irvine 94,026 0 94,026
Los Angeles 37,296 93,911 131,207
Riverside 59,618 11,618 71,236
San Diego 15,086 50,347 65,433
San Francisco 68,514 1,953 70,467
Santa Barbara 63,219 24,736 87,955
Santa Cruz 67,128 30,011 97,139
NRLF 0 0 0
SRLF 0 0 0
LBL 0 9,080 9,080
LLL 0 11,214 11,214
Los Alamos 0 339 339
Other - UC 661 13,014 13,675
CSL 0 2,352 2,352
CSU n/a 8,167 8,167
Stanford n/a 20,123 20,123
Other - Non UC n/a 187,720 187,720
_______ ______ _____
620,745 617,178 1,237,923
Average number of FIND commands per hour:
12-2 a.m. 252 12-2 p.m. 1,641
2-4 a.m. 176 2-4 p.m. 1,937
4-6 a.m. 120 4-6 p.m. 1,374
6-8 a.m. 183 6-8 p.m. 647
8-10 a.m. 858 8-10 p.m. 466
10-12 a.m. 1,555 10-12 p.m. 355
Total number of FIND commands 1,237,923
Peak hourly load of 3,188 FIND commands occurred on 05/13/99 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 544,037 1,255,553 1,799,590
Davis 1,233,258 115,332 1,348,590
Irvine 820,432 0 820,432
Los Angeles 405,449 1,079,976 1,485,425
Riverside 461,442 129,501 590,943
San Diego 95,494 462,966 558,460
San Francisco 663,418 25,881 689,299
Santa Barbara 591,420 277,260 868,680
Santa Cruz 537,083 249,642 786,725
NRLF 0 0 0
SRLF 0 0 0
LBL 0 95,284 95,284
LLL 0 113,455 113,455
Los Alamos 0 2,547 2,547
Other - UC 4,446 137,682 142,128
CSL 0 15,783 15,783
CSU n/a 83,752 83,752
Stanford n/a 224,334 224,334
Other - Non UC n/a 1,431,486 1,431,486
_______ ______ _____
5,356,479 5,700,434 11,056,913
Average number of records displayed per hour:
12-2 a.m. 3,965 12-2 p.m. 33,230
2-4 a.m. 2,782 2-4 p.m. 39,410
4-6 a.m. 1,472 4-6 p.m. 28,833
6-8 a.m. 3,326 6-8 p.m. 14,675
8-10 a.m. 15,386 8-10 p.m. 11,152
10-12 a.m. 29,631 10-12 p.m. 7,482
Total number of Records Displayed 11,056,913
Peak hourly load of 66,557 records displayed occurred on 05/13/99 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 466,938 3,410,648 38.8% 37.7%
TEN 0 0 0.0% 0.0%
PE 25,036 215,522 2.2% 2.0%
ABI 14,150 29,106 1.0% 1.1%
BIOSIS 55,467 75,410 3.9% 4.5%
CC databases 109,975 1,077,022 9.3% 8.9%
CC 108,001 1,006,952 8.8% 8.7%
CCT 1,974 70,070 0.5% 0.2%
IAC databases 161,058 1,678,367 11.4% 13.0%
MAGS 145,669 1,546,939 9.9% 11.8%
NEWS 12,304 94,848 1.2% 1.0%
COMP 3,085 36,580 0.3% 0.2%
INS databases 41,489 296,518 4.4% 3.4%
INS 28,937 225,392 2.8% 2.3%
INS90 4,463 22,289 0.6% 0.4%
INS85 3,420 19,279 0.4% 0.3%
INS80 2,265 12,035 0.3% 0.2%
INS69 2,404 17,523 0.3% 0.2%
MED databases 232,769 2,410,686 20.3% 18.8%
MED 182,964 2,058,370 14.3% 14.8%
MED90 23,242 183,985 2.7% 1.9%
MED85 11,603 74,517 1.5% 0.9%
MED80 7,498 48,722 1.0% 0.6%
MED75 4,214 25,538 0.6% 0.3%
MED66 3,248 19,554 0.4% 0.3%
PSYC 68,085 117,439 4.0% 5.5%
OCLC 45,749 50,919 3.2% 3.7%
RLG 13,819 12,916 1.0% 1.1%
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) 947 418 1,365
GEOREF (Stanford) 1,075 1,578 2,653
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 2,769 3,050 5,819
RLG Eureka 607 502 1,109
Arizona State University 5 12 17
Boston University 5 12 17
California State Library 4 54 58
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 5 3 8
Cal State Univ., Hayward 28 154 182
Cambridge University, England 9 20 29
CARL 12 23 35
CARL Uncover 81 159 240
Chicano/Latino Net Gopher 0 0 0
Claremont College 2 5 7
Cleveland Free-Net 13 100 113
Dartmouth College 7 6 13
DIALOG 30 112 142
DRA LC 40 7 47
Earthquake Engineering Abstracts 0 0 0
FS INFO 40 70 110
Harvard 74 80 154
Library of Congress (LOCIS) 82 388 470
Los Angeles Public Library 137 48 185
National Agricultural Library 73 26 99
NLM AIDSDBS 27 23 50
NLM Databases (Medlars) 105 122 227
Northern Regional Lib Facility 579 157 736
New York Public Library 3 54 57
OCEAN Information Center 0 0 0
OCLC Catalog 44 108 152
OCLC EPIC 0 2 2
Oxford University, England 6 26 32
Princeton 2 20 22
Rensselaer Polytechnic Institute 0 0 0
RLIN 268 298 566
San Francisco State University 2 3 5
San Jose State University 8 19 27
Santa Clara University (OSCAR) 0 2 2
Stanford University 102 566 668
SUNY Buffalo (BISON) 70 20 90
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 753 1,068 1,821
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 102 54 156
UCLA ORION 503 294 797
UCSC CRUZCAT 69 113 182
UCSC INFOSLUG 0 0 0
UCSD ROGER 114 121 235
UCSF Catalog 64 19 83
Univ. of Hawaii 6 5 11
Univ. of Tennessee 0 1 1
Univ. of Michigan 18 14 32
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 3 26 29
Virginia Polytechnic Institute 3 0 3
Weather 38 118 156
WRLC 1 0 1
Yale 65 38 103
Other 35 40 75
_______ ______ _____
Total number of USE commands 9,035 10,158 19,166
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 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 0.9
1.5 Online Publications
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Current Cites 1
DLA Bulletin 11
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 3,308
SAVE SET 3,181
RECALL SET 47
DELETE/CLEAR SET 128
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 30,087
1.7.2 REQUEST Commands
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Number of REQUEST Commands 2,381
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 11 3 14
Irvine 7 0 7
Los Angeles 5 10 15
Riverside 5 0 5
San Diego 2 9 11
San Francisco 8 0 8
Santa Barbara 5 1 6
Santa Cruz 4 0 4
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1 1
LLL 0 3 3
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 14 14
_______ ______ _____
47 52 99
1.7.4 Number of UPDATE commands by Database
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CAT 25
PE 0
TEN 0
CC databases 22
CC 13
CCT 9
IAC databases 11
MAGS 9
NEWS 2
COMP 0
MED 32
INS 0
PSYC 3
ABI 2
BIOSIS 4
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 313
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 18
Number of REDO UPDATE commands 1
Total number of UPDATEs on 05/31/99 8,236