MELVYL SYSTEM TELNET STATISTICS
Time period: 10/01/99 through 10/31/99
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 19,535 44,599 64,134
Davis 31,697 4,023 35,720
Irvine 19,940 0 19,940
Los Angeles 9,236 27,343 36,579
Riverside 8,173 3,530 11,703
San Diego 6,277 10,605 16,882
San Francisco 17,634 420 18,054
Santa Barbara 8,491 6,562 15,053
Santa Cruz 11,580 6,791 18,371
NRLF 0 0 0
SRLF 22 0 22
LBL 0 2,538 2,538
LLL 0 2,701 2,701
Los Alamos 0 44 44
Other - UC 688 3,898 4,586
CSL 0 852 852
CSU n/a 2,467 2,467
Stanford n/a 4,683 4,683
Other - Non UC n/a 48,724 48,724
_______ ______ _____
133,273 169,780 303,053
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. 132
2-4 a.m. 11 2-4 p.m. 155
4-6 a.m. 8 4-6 p.m. 107
6-8 a.m. 14 6-8 p.m. 46
8-10 a.m. 68 8-10 p.m. 33
10-12 a.m. 126 10-12 p.m. 22
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 6272.67
For Non-UC users (hrs:mins) 360.70
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 61,322 137,222 198,544
Davis 97,410 14,118 111,528
Irvine 59,451 0 59,451
Los Angeles 31,915 81,050 112,965
Riverside 28,538 9,282 37,820
San Diego 17,606 27,875 45,481
San Francisco 52,603 1,123 53,726
Santa Barbara 29,549 17,968 47,517
Santa Cruz 37,011 28,197 65,208
NRLF 0 0 0
SRLF 69 0 69
LBL 0 6,242 6,242
LLL 0 9,815 9,815
Los Alamos 0 164 164
Other - UC 1,319 20,695 22,014
CSL 0 2,989 2,989
CSU n/a 10,954 10,954
Stanford n/a 13,089 13,089
Other - Non UC n/a 183,382 183,382
_______ ______ _____
416,793 564,165 980,958
Average number of FIND commands per hour:
12-2 a.m. 191 12-2 p.m. 1,448
2-4 a.m. 116 2-4 p.m. 1,664
4-6 a.m. 82 4-6 p.m. 1,123
6-8 a.m. 167 6-8 p.m. 496
8-10 a.m. 744 8-10 p.m. 350
10-12 a.m. 1,354 10-12 p.m. 261
Total number of FIND commands 980,958
Peak hourly load of 2,517 FIND commands occurred on 10/21/99 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 565,644 1,397,909 1,963,553
Davis 777,901 82,829 860,730
Irvine 579,867 0 579,867
Los Angeles 304,363 917,892 1,222,255
Riverside 377,890 107,491 485,381
San Diego 120,658 274,035 394,693
San Francisco 508,141 22,860 531,001
Santa Barbara 261,177 197,736 458,913
Santa Cruz 298,700 190,225 488,925
NRLF 0 0 0
SRLF 938 0 938
LBL 0 63,598 63,598
LLL 0 93,697 93,697
Los Alamos 0 1,517 1,517
Other - UC 26,371 122,920 149,291
CSL 0 12,595 12,595
CSU n/a 121,414 121,414
Stanford n/a 137,858 137,858
Other - Non UC n/a 1,463,523 1,463,523
_______ ______ _____
3,821,650 5,208,099 9,029,749
Average number of records displayed per hour:
12-2 a.m. 2,516 12-2 p.m. 27,548
2-4 a.m. 2,648 2-4 p.m. 31,870
4-6 a.m. 1,421 4-6 p.m. 23,140
6-8 a.m. 3,002 6-8 p.m. 10,176
8-10 a.m. 14,843 8-10 p.m. 7,134
10-12 a.m. 26,597 10-12 p.m. 4,530
Total number of Records Displayed 9,029,749
Peak hourly load of 74,344 records displayed occurred on 10/26/99 at 10 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 430,492 3,302,790 41.7% 43.9%
TEN 0 0 0.0% 0.0%
PE 27,544 385,606 2.9% 2.8%
ABI 7,576 13,836 0.8% 0.8%
BIOSIS 44,244 56,615 4.2% 4.5%
CC databases 85,209 884,454 9.4% 8.7%
CC 83,504 822,452 8.9% 8.5%
CCT 1,705 62,002 0.5% 0.2%
IAC databases 75,812 829,790 7.8% 7.7%
MAGS 67,534 763,379 6.8% 6.9%
NEWS 5,833 40,393 0.7% 0.6%
COMP 2,445 26,018 0.3% 0.2%
INS databases 33,006 293,599 4.8% 3.4%
INS 22,564 231,626 3.0% 2.3%
INS90 3,800 20,521 0.7% 0.4%
INS85 2,569 13,998 0.5% 0.3%
INS80 2,026 10,937 0.4% 0.2%
INS69 2,047 16,517 0.3% 0.2%
MED databases 168,883 1,733,158 19.0% 17.2%
MED 134,445 1,521,431 13.7% 13.7%
MED90 16,838 112,319 2.4% 1.7%
MED85 7,891 46,584 1.3% 0.8%
MED80 4,514 24,356 0.8% 0.5%
MED75 2,811 13,500 0.5% 0.3%
MED66 2,384 14,968 0.3% 0.2%
PSYC 48,379 79,615 3.8% 4.9%
OCLC 46,280 52,558 4.2% 4.7%
RLG 10,343 11,062 1.1% 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) 696 371 1,067
GEOREF (Stanford) 638 939 1,577
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 596 687 1,283
Arizona State University 0 21 21
Boston University 1 8 9
California State Library 15 9 24
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 4 3 7
Cal State Univ., Hayward 24 260 284
Cambridge University, England 4 20 24
CARL 4 49 53
CARL Uncover 50 112 162
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 4 4
Cleveland Free-Net 4 2 6
Dartmouth College 2 7 9
DIALOG 13 176 189
DRA LC 68 8 76
Earthquake Engineering Abstracts 0 0 0
FS INFO 30 54 84
Harvard 55 81 136
Library of Congress (LOCIS) 32 230 262
Los Angeles Public Library 43 28 71
National Agricultural Library 51 34 85
NLM AIDSDBS 16 13 29
NLM Databases (Medlars) 79 91 170
Northern Regional Lib Facility 473 179 652
New York Public Library 8 26 34
OCEAN Information Center 0 0 0
OCLC Catalog 14 296 310
OCLC EPIC 1 0 1
Oxford University, England 6 20 26
Princeton 2 9 11
Rensselaer Polytechnic Institute 1 2 3
RLIN 291 327 618
San Francisco State University 2 10 12
San Jose State University 7 6 13
Santa Clara University (OSCAR) 0 2 2
Stanford University 73 548 621
SUNY Buffalo (BISON) 41 21 62
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 732 995 1,727
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 77 48 125
UCLA ORION 54 109 163
UCSC CRUZCAT 50 73 123
UCSC INFOSLUG 0 0 0
UCSD ROGER 91 89 180
UCSF Catalog 66 6 72
Univ. of Hawaii 8 4 12
Univ. of Tennessee 1 2 3
Univ. of Michigan 4 15 19
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 3 20 23
Virginia Polytechnic Institute 0 1 1
Weather 32 62 94
WRLC 0 1 1
Yale 57 40 97
Other 22 13 35
_______ ______ _____
Total number of USE commands 4,541 6,131 10,659
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 4.5
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.3
Standard deviation in seconds 1.0
1.5 Online Publications
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Current Cites 1
DLA Bulletin 9
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 1,369
SAVE SET 1,706
RECALL SET 61
DELETE/CLEAR SET 32
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 19,641
1.7.2 REQUEST Commands
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Number of REQUEST Commands 2,283
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 6 47 53
Davis 22 0 22
Irvine 4 0 4
Los Angeles 2 7 9
Riverside 0 4 4
San Diego 1 5 6
San Francisco 22 0 22
Santa Barbara 8 3 11
Santa Cruz 1 2 3
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 4 4
Los Alamos 0 0 0
Other - UC 0 0 0
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 3 3
Other - Non UC n/a 18 18
_______ ______ _____
66 93 159
1.7.4 Number of UPDATE commands by Database
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CAT 25
PE 0
TEN 0
CC databases 57
CC 40
CCT 17
IAC databases 13
MAGS 10
NEWS 2
COMP 1
MED 34
INS 15
PSYC 4
ABI 1
BIOSIS 10
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 339
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 8
Number of REDO UPDATE commands 3
Total number of UPDATEs on 10/31/99 8,287