MELVYL SYSTEM TELNET STATISTICS
Time period: 03/17/01 through 03/23/01
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 2,117 6,739 8,856
Davis 3,778 409 4,187
Irvine 1,997 0 1,997
Los Angeles 336 2,292 2,628
Riverside 923 368 1,291
San Diego 891 1,299 2,190
San Francisco 2,134 0 2,134
Santa Barbara 394 540 934
Santa Cruz 355 528 883
NRLF 0 0 0
SRLF 1 0 1
LBL 0 437 437
LLL 0 246 246
Los Alamos 0 10 10
Other - UC 60 644 704
CSL 0 163 163
CSU n/a 327 327
Stanford n/a 433 433
Other - Non UC n/a 10,112 10,112
_______ ______ _____
12,986 24,547 37,533
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 9 12-2 p.m. 72
2-4 a.m. 11 2-4 p.m. 84
4-6 a.m. 9 4-6 p.m. 55
6-8 a.m. 12 6-8 p.m. 23
8-10 a.m. 51 8-10 p.m. 18
10-12 a.m. 79 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 03/21/01 at 14:40:46 total number of users: 149
For MELVYL MEDLINE on 03/20/01 at 15:44:09 total number of users: 27
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 680.23
For Non-UC users (hrs:mins) 37.87
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 6,202 19,666 25,868
Davis 12,168 1,252 13,420
Irvine 6,558 0 6,558
Los Angeles 999 6,715 7,714
Riverside 3,059 983 4,042
San Diego 2,559 3,362 5,921
San Francisco 6,724 0 6,724
Santa Barbara 1,141 1,744 2,885
Santa Cruz 1,900 1,601 3,501
NRLF 0 0 0
SRLF 2 0 2
LBL 0 1,062 1,062
LLL 0 1,385 1,385
Los Alamos 0 34 34
Other - UC 121 1,883 2,004
CSL 0 465 465
CSU n/a 1,326 1,326
Stanford n/a 1,225 1,225
Other - Non UC n/a 35,009 35,009
_______ ______ _____
41,433 77,712 119,145
Average number of FIND commands per hour:
12-2 a.m. 74 12-2 p.m. 694
2-4 a.m. 69 2-4 p.m. 804
4-6 a.m. 58 4-6 p.m. 480
6-8 a.m. 97 6-8 p.m. 207
8-10 a.m. 427 8-10 p.m. 149
10-12 a.m. 781 10-12 p.m. 107
Total number of FIND commands 119,145
Peak hourly load of 1,248 FIND commands occurred on 03/22/01 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 53,654 261,593 315,247
Davis 87,284 7,823 95,107
Irvine 46,171 0 46,171
Los Angeles 10,303 68,821 79,124
Riverside 29,007 8,295 37,302
San Diego 16,719 34,069 50,788
San Francisco 66,574 0 66,574
Santa Barbara 10,554 15,439 25,993
Santa Cruz 10,696 11,272 21,968
NRLF 0 0 0
SRLF 33 0 33
LBL 0 9,432 9,432
LLL 0 16,538 16,538
Los Alamos 0 199 199
Other - UC 684 17,966 18,650
CSL 0 2,582 2,582
CSU n/a 14,079 14,079
Stanford n/a 13,885 13,885
Other - Non UC n/a 298,319 298,319
_______ ______ _____
331,679 780,312 1,111,991
Average number of records displayed per hour:
12-2 a.m. 1,034 12-2 p.m. 12,775
2-4 a.m. 1,235 2-4 p.m. 15,910
4-6 a.m. 914 4-6 p.m. 13,101
6-8 a.m. 2,329 6-8 p.m. 4,555
8-10 a.m. 8,141 8-10 p.m. 3,698
10-12 a.m. 13,898 10-12 p.m. 2,333
Total number of Records Displayed 1,111,991
Peak hourly load of 54,333 records displayed occurred on 03/17/01 at 4 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 51,702 395,116 42.1% 43.4%
TEN 0 0 0.0% 0.0%
PE 5,323 49,545 4.4% 4.5%
ABI 660 1,203 0.6% 0.6%
BIOSIS 4,020 5,168 3.6% 3.4%
CC databases 10,264 100,429 9.6% 8.6%
CC 10,040 92,868 9.1% 8.4%
CCT 224 7,561 0.4% 0.2%
IAC databases 4,936 53,284 4.3% 4.1%
MAGS 4,395 49,065 3.8% 3.7%
NEWS 466 3,305 0.4% 0.4%
COMP 75 914 0.1% 0.1%
INS databases 3,508 27,070 4.1% 2.9%
INS 2,390 21,619 2.7% 2.0%
INS90 376 2,132 0.5% 0.3%
INS85 262 1,285 0.3% 0.2%
INS80 235 829 0.3% 0.2%
INS69 245 1,205 0.3% 0.2%
MED databases 19,152 174,279 17.4% 16.1%
MED 15,451 151,508 12.5% 13.0%
MED90 1,602 11,231 2.0% 1.3%
MED85 794 4,604 1.2% 0.7%
MED80 574 2,955 0.8% 0.5%
MED75 395 2,026 0.5% 0.3%
MED66 336 1,955 0.4% 0.3%
PSYC 4,482 6,243 3.3% 3.8%
OCLC 13,452 18,545 9.0% 11.3%
RLG 1,278 1,354 1.2% 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) 11 27 38
GEOREF (Stanford) 10 77 87
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 98 95 193
Arizona State University 1 0 1
Boston University 0 1 1
California State Library 0 2 2
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 7 10 17
Cambridge University, England 1 1 2
CARL 0 0 0
CARL Uncover 3 10 13
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 0 30 30
DRA LC 0 1 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 5 5
Harvard 5 9 14
Library of Congress (LOCIS) 4 7 11
Los Angeles Public Library 0 0 0
National Agricultural Library 2 9 11
NLM AIDSDBS 0 1 1
NLM Databases (Medlars) 0 1 1
Northern Regional Lib Facility 87 33 120
New York Public Library 0 1 1
OCEAN Information Center 0 0 0
OCLC Catalog 2 77 79
OCLC EPIC 0 0 0
Oxford University, England 1 0 1
Princeton 0 2 2
Rensselaer Polytechnic Institute 0 0 0
RLIN 57 110 167
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 8 48 56
SUNY Buffalo (BISON) 2 4 6
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 79 138 217
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 8 1 9
UCLA ORION 0 2 2
UCSC CRUZCAT 0 4 4
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 8 8
UCSF Catalog 11 0 11
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 3 3
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 0 0
Virginia Polytechnic Institute 0 1 1
Weather 1 2 3
WRLC 0 0 0
Yale 7 5 12
Other 0 1 1
_______ ______ _____
Total number of USE commands 405 726 1,131
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.6
Standard deviation in seconds 2.8
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.7
1.5 Online Publications
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Current Cites 0
DLA Bulletin 1
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 215
SAVE SET 252
RECALL SET 9
DELETE/CLEAR SET 8
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,934
1.7.2 REQUEST Commands
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Number of REQUEST Commands 166
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 0 0
Davis 0 0 0
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 0 0 0
Santa Cruz 0 1 1
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 0 0
Los Alamos 0 0 0
Other - UC 0 2 2
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 0 0
Other - Non UC n/a 0 0
_______ ______ _____
0 3 3
1.7.4 Number of UPDATE commands by Database
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CAT 0
PE 0
TEN 0
CC databases 0
CC 0
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 2
INS 1
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 22
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 03/23/01 3,640
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)