MELVYL SYSTEM TELNET STATISTICS
Time period: 07/01/00 through 07/31/00
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 7,560 24,661 32,221
Davis 16,127 2,708 18,835
Irvine 9,045 0 9,045
Los Angeles 4,099 13,102 17,201
Riverside 3,714 1,954 5,668
San Diego 4,251 7,091 11,342
San Francisco 13,178 0 13,178
Santa Barbara 3,482 5,200 8,682
Santa Cruz 2,448 2,242 4,690
NRLF 0 0 0
SRLF 6 0 6
LBL 0 1,898 1,898
LLL 0 1,120 1,120
Los Alamos 0 32 32
Other - UC 348 2,203 2,551
CSL 0 784 784
CSU n/a 1,033 1,033
Stanford n/a 2,398 2,398
Other - Non UC n/a 36,243 36,243
_______ ______ _____
64,258 102,669 166,927
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 11 12-2 p.m. 77
2-4 a.m. 10 2-4 p.m. 91
4-6 a.m. 8 4-6 p.m. 60
6-8 a.m. 10 6-8 p.m. 24
8-10 a.m. 46 8-10 p.m. 15
10-12 a.m. 81 10-12 p.m. 13
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 3857.83
For Non-UC users (hrs:mins) 218.10
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 22,702 71,511 94,213
Davis 52,887 8,836 61,723
Irvine 28,994 0 28,994
Los Angeles 13,168 38,669 51,837
Riverside 12,915 4,942 17,857
San Diego 14,840 19,146 33,986
San Francisco 38,534 0 38,534
Santa Barbara 11,773 13,941 25,714
Santa Cruz 9,996 6,072 16,068
NRLF 0 0 0
SRLF 6 0 6
LBL 0 4,736 4,736
LLL 0 5,233 5,233
Los Alamos 0 98 98
Other - UC 430 7,238 7,668
CSL 0 2,026 2,026
CSU n/a 4,326 4,326
Stanford n/a 6,854 6,854
Other - Non UC n/a 131,207 131,207
_______ ______ _____
206,245 324,835 531,080
Average number of FIND commands per hour:
12-2 a.m. 76 12-2 p.m. 735
2-4 a.m. 59 2-4 p.m. 854
4-6 a.m. 52 4-6 p.m. 573
6-8 a.m. 99 6-8 p.m. 206
8-10 a.m. 448 8-10 p.m. 134
10-12 a.m. 800 10-12 p.m. 109
Total number of FIND commands 531,080
Peak hourly load of 1,593 FIND commands occurred on 07/17/00 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 203,565 697,929 901,494
Davis 460,275 58,361 518,636
Irvine 251,770 0 251,770
Los Angeles 103,045 446,174 549,219
Riverside 94,401 53,428 147,829
San Diego 82,361 215,116 297,477
San Francisco 376,080 0 376,080
Santa Barbara 104,279 148,604 252,883
Santa Cruz 58,897 59,722 118,619
NRLF 0 0 0
SRLF 260 0 260
LBL 0 44,650 44,650
LLL 0 53,042 53,042
Los Alamos 0 743 743
Other - UC 7,852 67,732 75,584
CSL 0 10,211 10,211
CSU n/a 42,493 42,493
Stanford n/a 220,151 220,151
Other - Non UC n/a 1,094,941 1,094,941
_______ ______ _____
1,742,785 3,213,297 4,956,082
Average number of records displayed per hour:
12-2 a.m. 1,584 12-2 p.m. 14,426
2-4 a.m. 887 2-4 p.m. 17,291
4-6 a.m. 798 4-6 p.m. 12,295
6-8 a.m. 1,872 6-8 p.m. 5,015
8-10 a.m. 8,281 8-10 p.m. 2,741
10-12 a.m. 14,780 10-12 p.m. 2,564
Total number of Records Displayed 4,956,082
Peak hourly load of 60,089 records displayed occurred on 07/12/00 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 223,010 1,740,099 40.6% 42.0%
TEN 0 0 0.0% 0.0%
PE 16,602 159,007 3.2% 3.1%
ABI 3,939 7,749 0.7% 0.7%
BIOSIS 18,470 22,305 3.6% 3.5%
CC databases 49,538 475,760 9.6% 9.3%
CC 48,638 442,895 9.2% 9.2%
CCT 900 32,865 0.4% 0.2%
IAC databases 21,654 427,532 4.4% 4.1%
MAGS 19,056 394,390 3.8% 3.6%
NEWS 1,755 12,484 0.4% 0.3%
COMP 843 20,658 0.2% 0.2%
INS databases 21,153 174,611 5.5% 4.0%
INS 14,124 131,542 3.4% 2.7%
INS90 2,560 15,332 0.8% 0.5%
INS85 1,560 9,908 0.5% 0.3%
INS80 1,455 6,589 0.4% 0.3%
INS69 1,454 11,240 0.4% 0.3%
MED databases 105,459 1,093,968 21.2% 19.9%
MED 83,143 955,188 15.1% 15.7%
MED90 10,531 72,513 2.7% 2.0%
MED85 5,190 30,264 1.5% 1.0%
MED80 3,222 17,565 0.9% 0.6%
MED75 1,861 9,054 0.5% 0.4%
MED66 1,512 9,384 0.4% 0.3%
PSYC 21,027 31,998 3.3% 4.0%
OCLC 41,596 56,011 6.2% 7.8%
RLG 6,857 8,241 1.2% 1.3%
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) 167 148 315
GEOREF (Stanford) 86 500 586
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 332 564 896
Arizona State University 3 14 17
Boston University 2 7 9
California State Library 0 24 24
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 1 1
Cal State Univ., Hayward 22 63 85
Cambridge University, England 8 9 17
CARL 5 7 12
CARL Uncover 16 76 92
Chicano/Latino Net Gopher 0 0 0
Claremont College 1 1 2
Cleveland Free-Net 2 3 5
Dartmouth College 2 3 5
DIALOG 13 115 128
DRA LC 27 3 30
Earthquake Engineering Abstracts 0 0 0
FS INFO 4 12 16
Harvard 57 41 98
Library of Congress (LOCIS) 17 37 54
Los Angeles Public Library 1 6 7
National Agricultural Library 13 19 32
NLM AIDSDBS 4 12 16
NLM Databases (Medlars) 20 12 32
Northern Regional Lib Facility 501 137 638
New York Public Library 1 13 14
OCEAN Information Center 0 0 0
OCLC Catalog 6 298 304
OCLC EPIC 0 1 1
Oxford University, England 3 10 13
Princeton 51 4 55
Rensselaer Polytechnic Institute 0 1 1
RLIN 210 424 634
San Francisco State University 0 2 2
San Jose State University 3 1 4
Santa Clara University (OSCAR) 0 3 3
Stanford University 39 334 373
SUNY Buffalo (BISON) 1 8 9
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 286 523 809
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 19 14 33
UCLA ORION 9 6 15
UCSC CRUZCAT 7 21 28
UCSC INFOSLUG 0 0 0
UCSD ROGER 11 14 25
UCSF Catalog 34 2 36
Univ. of Hawaii 1 3 4
Univ. of Tennessee 0 1 1
Univ. of Michigan 0 19 19
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 1 14 15
Virginia Polytechnic Institute 0 1 1
Weather 1 187 188
WRLC 0 0 0
Yale 83 10 93
Other 8 34 42
_______ ______ _____
Total number of USE commands 2,077 3,762 5,835
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 5.1
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.2
1.5 Online Publications
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Current Cites 0
DLA Bulletin 3
Mynd of MELVYL 1
1.6 Search SET commands
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FIND SET 1,087
SAVE SET 1,362
RECALL SET 13
DELETE/CLEAR SET 37
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 9,965
1.7.2 REQUEST Commands
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Number of REQUEST Commands 964
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3 8 11
Davis 2 0 2
Irvine 1 0 1
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
San Francisco 17 0 17
Santa Barbara 3 0 3
Santa Cruz 0 1 1
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
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 0 0
Other - Non UC n/a 3 3
_______ ______ _____
26 15 41
1.7.4 Number of UPDATE commands by Database
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CAT 5
PE 0
TEN 0
CC databases 15
CC 15
CCT 0
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 16
INS 1
PSYC 2
ABI 0
BIOSIS 1
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 112
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 7
Number of REDO UPDATE commands 0
Total number of UPDATEs on 07/31/00 5,014
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)