MELVYL SYSTEM TELNET STATISTICS
Time period: 01/01/99 through 01/31/99
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 16,914 47,713 64,627
Davis 49,796 5,631 55,427
Irvine 36,156 0 36,156
Los Angeles 12,035 36,672 48,707
Riverside 13,575 5,571 19,146
San Diego 5,053 25,156 30,209
San Francisco 28,906 889 29,795
Santa Barbara 14,283 11,268 25,551
Santa Cruz 13,790 9,314 23,104
NRLF 0 0 0
SRLF 0 0 0
LBL 0 3,318 3,318
LLL 0 3,079 3,079
Los Alamos 0 216 216
Other - UC 585 3,386 3,971
CSL 0 976 976
CSU n/a 2,450 2,450
Stanford n/a 9,092 9,092
Other - Non UC n/a 55,780 55,780
_______ ______ _____
191,093 220,511 411,604
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 19 12-2 p.m. 173
2-4 a.m. 13 2-4 p.m. 211
4-6 a.m. 10 4-6 p.m. 147
6-8 a.m. 17 6-8 p.m. 67
8-10 a.m. 81 8-10 p.m. 47
10-12 a.m. 162 10-12 p.m. 33
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 10685.40
For Non-UC users (hrs:mins) 811.33
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 56,238 133,044 189,282
Davis 160,820 17,033 177,853
Irvine 109,493 0 109,493
Los Angeles 33,799 94,830 128,629
Riverside 46,505 16,008 62,513
San Diego 14,017 62,585 76,602
San Francisco 79,180 2,427 81,607
Santa Barbara 50,003 31,660 81,663
Santa Cruz 47,238 30,563 77,801
NRLF 0 0 0
SRLF 0 0 0
LBL 0 8,994 8,994
LLL 0 10,274 10,274
Los Alamos 0 714 714
Other - UC 822 9,073 9,895
CSL 0 1,718 1,718
CSU n/a 10,412 10,412
Stanford n/a 30,584 30,584
Other - Non UC n/a 191,362 191,362
_______ ______ _____
598,115 651,281 1,249,396
Average number of FIND commands per hour:
12-2 a.m. 225 12-2 p.m. 1,892
2-4 a.m. 129 2-4 p.m. 2,229
4-6 a.m. 103 4-6 p.m. 1,506
6-8 a.m. 204 6-8 p.m. 651
8-10 a.m. 934 8-10 p.m. 465
10-12 a.m. 1,817 10-12 p.m. 366
Total number of FIND commands 1,249,396
Peak hourly load of 3,853 FIND commands occurred on 01/25/99 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 500,687 1,333,709 1,834,396
Davis 1,201,502 123,047 1,324,549
Irvine 951,024 0 951,024
Los Angeles 340,077 1,061,292 1,401,369
Riverside 396,740 177,722 574,462
San Diego 80,958 592,194 673,152
San Francisco 807,890 45,011 852,901
Santa Barbara 449,630 347,784 797,414
Santa Cruz 372,249 266,982 639,231
NRLF 0 0 0
SRLF 0 0 0
LBL 0 95,551 95,551
LLL 0 115,743 115,743
Los Alamos 0 8,854 8,854
Other - UC 6,223 89,984 96,207
CSL 0 13,436 13,436
CSU n/a 107,046 107,046
Stanford n/a 314,707 314,707
Other - Non UC n/a 1,570,430 1,570,430
_______ ______ _____
5,106,980 6,263,492 11,370,472
Average number of records displayed per hour:
12-2 a.m. 3,223 12-2 p.m. 35,982
2-4 a.m. 1,562 2-4 p.m. 42,710
4-6 a.m. 1,440 4-6 p.m. 30,749
6-8 a.m. 3,508 6-8 p.m. 14,877
8-10 a.m. 16,947 8-10 p.m. 10,719
10-12 a.m. 33,529 10-12 p.m. 7,366
Total number of Records Displayed 11,370,472
Peak hourly load of 70,811 records displayed occurred on 01/12/99 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 452,157 3,446,110 37.9% 36.2%
TEN 28,971 220,592 3.4% 2.3%
PE 24,481 273,013 1.9% 2.0%
ABI 12,275 24,327 0.9% 1.0%
BIOSIS 53,153 71,639 3.7% 4.3%
CC databases 124,943 1,225,002 9.6% 10.0%
CC 122,500 1,135,747 9.1% 9.8%
CCT 2,443 89,255 0.5% 0.2%
IAC databases 109,257 1,172,091 7.8% 8.7%
MAGS 97,065 1,054,558 6.7% 7.8%
NEWS 8,934 68,712 0.8% 0.7%
COMP 3,258 48,821 0.3% 0.3%
INS databases 40,787 308,631 4.3% 3.3%
INS 28,473 235,939 2.7% 2.3%
INS90 3,916 22,005 0.5% 0.3%
INS85 3,230 18,765 0.4% 0.3%
INS80 2,394 13,092 0.3% 0.2%
INS69 2,774 18,830 0.3% 0.2%
MED databases 293,022 3,001,589 23.1% 23.4%
MED 236,089 2,630,988 16.6% 18.9%
MED90 24,950 168,261 2.7% 2.0%
MED85 14,314 96,356 1.7% 1.1%
MED80 9,059 53,979 1.1% 0.7%
MED75 4,961 27,993 0.6% 0.4%
MED66 3,649 24,012 0.4% 0.3%
PSYC 62,588 105,244 3.3% 5.0%
OCLC 31,140 32,434 2.7% 2.5%
RLG 13,382 13,091 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) 296 463 759
GEOREF (Stanford) 504 2,017 2,521
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 4,762 4,080 8,842
RLG Eureka 679 520 1,199
Arizona State University 2 20 22
Boston University 9 17 26
California State Library 4 33 37
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 1 5 6
Cal State Univ., Hayward 34 187 221
Cambridge University, England 17 40 57
CARL 12 35 47
CARL Uncover 86 170 256
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 8 8
Cleveland Free-Net 29 82 111
Dartmouth College 4 23 27
DIALOG 75 80 155
DRA LC 35 12 47
Earthquake Engineering Abstracts 0 1 1
FS INFO 18 124 142
Harvard 82 90 172
Library of Congress (LOCIS) 385 242 627
Los Angeles Public Library 100 36 136
National Agricultural Library 48 43 91
NLM AIDSDBS 43 28 71
NLM Databases (Medlars) 201 89 290
Northern Regional Lib Facility 282 154 436
New York Public Library 13 42 55
OCEAN Information Center 0 0 0
OCLC Catalog 19 132 151
OCLC EPIC 3 7 10
Oxford University, England 10 58 68
Princeton 6 19 25
Rensselaer Polytechnic Institute 0 3 3
RLIN 268 347 615
San Francisco State University 10 10 20
San Jose State University 4 18 22
Santa Clara University (OSCAR) 0 3 3
Stanford University 125 488 613
SUNY Buffalo (BISON) 71 12 83
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 952 1,280 2,232
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 160 63 223
UCLA ORION 438 290 728
UCSC CRUZCAT 62 123 185
UCSC INFOSLUG 0 0 0
UCSD ROGER 100 168 268
UCSF Catalog 83 24 107
Univ. of Hawaii 6 14 20
Univ. of Tennessee 0 5 5
Univ. of Michigan 25 26 51
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 8 16 24
Virginia Polytechnic Institute 0 3 3
Weather 110 80 190
WRLC 2 1 3
Yale 70 48 118
Other 50 42 92
_______ ______ _____
Total number of USE commands 10,303 11,921 22,202
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 4.9
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.4
Standard deviation in seconds 4.8
1.5 Online Publications
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Current Cites 2
DLA Bulletin 12
Mynd of MELVYL 1
1.6 Search SET commands
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FIND SET 2,570
SAVE SET 3,056
RECALL SET 50
DELETE/CLEAR SET 108
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 30,118
1.7.2 REQUEST Commands
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Number of REQUEST Commands 2,850
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 5 32 37
Davis 33 10 43
Irvine 10 0 10
Los Angeles 2 5 7
Riverside 4 2 6
San Diego 0 19 19
San Francisco 19 0 19
Santa Barbara 4 6 10
Santa Cruz 2 0 2
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1 1
LLL 0 2 2
Los Alamos 0 1 1
Other - UC 1 0 1
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 7 7
Other - Non UC n/a 13 13
_______ ______ _____
80 98 178
1.7.4 Number of UPDATE commands by Database
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CAT 31
PE 0
TEN 1
CC databases 52
CC 29
CCT 23
IAC databases 12
MAGS 12
NEWS 0
COMP 0
MED 52
INS 8
PSYC 2
ABI 0
BIOSIS 20
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 510
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 22
Number of REDO UPDATE commands 6
Total number of UPDATEs on 01/31/99 8,823