MELVYL SYSTEM TELNET STATISTICS
Time period: 03/24/01 through 03/30/01
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 989 4,956 5,945
Davis 2,996 319 3,315
Irvine 2,039 0 2,039
Los Angeles 90 2,120 2,210
Riverside 730 339 1,069
San Diego 768 1,315 2,083
San Francisco 2,385 0 2,385
Santa Barbara 274 635 909
Santa Cruz 395 522 917
NRLF 0 0 0
SRLF 1 0 1
LBL 0 459 459
LLL 0 251 251
Los Alamos 0 19 19
Other - UC 99 469 568
CSL 0 171 171
CSU n/a 305 305
Stanford n/a 319 319
Other - Non UC n/a 9,463 9,463
_______ ______ _____
10,766 21,662 32,428
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. 62
2-4 a.m. 11 2-4 p.m. 75
4-6 a.m. 9 4-6 p.m. 50
6-8 a.m. 11 6-8 p.m. 19
8-10 a.m. 45 8-10 p.m. 14
10-12 a.m. 68 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 03/27/01 at 15:24:46 total number of users: 141
For MELVYL MEDLINE on 03/29/01 at 15:02:52 total number of users: 24
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 665.70
For Non-UC users (hrs:mins) 23.33
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,003 14,470 17,473
Davis 10,445 1,121 11,566
Irvine 7,677 0 7,677
Los Angeles 262 6,066 6,328
Riverside 2,767 1,234 4,001
San Diego 2,407 3,866 6,273
San Francisco 6,996 0 6,996
Santa Barbara 895 1,801 2,696
Santa Cruz 1,848 1,509 3,357
NRLF 0 0 0
SRLF 3 0 3
LBL 0 968 968
LLL 0 1,231 1,231
Los Alamos 0 62 62
Other - UC 141 1,295 1,436
CSL 0 616 616
CSU n/a 1,356 1,356
Stanford n/a 1,057 1,057
Other - Non UC n/a 32,437 32,437
_______ ______ _____
36,444 69,089 105,533
Average number of FIND commands per hour:
12-2 a.m. 68 12-2 p.m. 589
2-4 a.m. 58 2-4 p.m. 752
4-6 a.m. 44 4-6 p.m. 466
6-8 a.m. 113 6-8 p.m. 143
8-10 a.m. 409 8-10 p.m. 114
10-12 a.m. 656 10-12 p.m. 88
Total number of FIND commands 105,533
Peak hourly load of 1,262 FIND commands occurred on 03/27/01 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 25,785 129,530 155,315
Davis 82,914 7,919 90,833
Irvine 51,323 0 51,323
Los Angeles 2,100 68,337 70,437
Riverside 22,705 10,876 33,581
San Diego 16,672 34,252 50,924
San Francisco 98,623 0 98,623
Santa Barbara 7,029 17,279 24,308
Santa Cruz 10,054 13,664 23,718
NRLF 0 0 0
SRLF 2 0 2
LBL 0 11,842 11,842
LLL 0 12,130 12,130
Los Alamos 0 223 223
Other - UC 1,403 14,521 15,924
CSL 0 4,702 4,702
CSU n/a 16,630 16,630
Stanford n/a 8,071 8,071
Other - Non UC n/a 268,720 268,720
_______ ______ _____
318,610 618,696 937,306
Average number of records displayed per hour:
12-2 a.m. 1,243 12-2 p.m. 11,215
2-4 a.m. 1,072 2-4 p.m. 13,415
4-6 a.m. 894 4-6 p.m. 9,889
6-8 a.m. 1,799 6-8 p.m. 3,585
8-10 a.m. 8,392 8-10 p.m. 2,383
10-12 a.m. 12,166 10-12 p.m. 2,240
Total number of Records Displayed 937,306
Peak hourly load of 21,599 records displayed occurred on 03/27/01 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 44,855 359,584 40.5% 42.5%
TEN 0 0 0.0% 0.0%
PE 4,609 43,551 4.4% 4.4%
ABI 758 1,184 0.7% 0.7%
BIOSIS 3,524 4,654 3.5% 3.3%
CC databases 8,923 96,986 9.2% 8.5%
CC 8,746 76,419 8.8% 8.3%
CCT 177 20,567 0.4% 0.2%
IAC databases 3,673 35,406 3.7% 3.5%
MAGS 3,352 33,177 3.2% 3.2%
NEWS 199 1,150 0.3% 0.2%
COMP 122 1,079 0.2% 0.1%
INS databases 3,101 23,863 4.4% 2.9%
INS 2,200 18,313 2.8% 2.1%
INS90 363 2,906 0.6% 0.3%
INS85 193 1,117 0.3% 0.2%
INS80 140 564 0.3% 0.1%
INS69 205 963 0.3% 0.2%
MED databases 17,978 192,367 19.2% 17.0%
MED 14,125 167,820 13.8% 13.4%
MED90 1,660 11,296 2.3% 1.6%
MED85 905 5,175 1.2% 0.9%
MED80 596 3,627 0.9% 0.6%
MED75 360 2,010 0.6% 0.3%
MED66 332 2,439 0.5% 0.3%
PSYC 4,577 5,905 3.4% 4.3%
OCLC 11,995 15,501 9.4% 11.4%
RLG 1,144 1,540 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) 5 33 38
GEOREF (Stanford) 12 90 102
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 136 133 269
Arizona State University 0 0 0
Boston University 0 1 1
California State Library 0 6 6
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 3 8 11
Cambridge University, England 3 0 3
CARL 0 1 1
CARL Uncover 1 9 10
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 1 0 1
Dartmouth College 0 1 1
DIALOG 0 26 26
DRA LC 0 2 2
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 1 1
Harvard 1 4 5
Library of Congress (LOCIS) 1 10 11
Los Angeles Public Library 0 0 0
National Agricultural Library 1 3 4
NLM AIDSDBS 0 1 1
NLM Databases (Medlars) 2 3 5
Northern Regional Lib Facility 69 20 89
New York Public Library 0 4 4
OCEAN Information Center 0 0 0
OCLC Catalog 4 63 67
OCLC EPIC 0 0 0
Oxford University, England 0 1 1
Princeton 0 2 2
Rensselaer Polytechnic Institute 0 1 1
RLIN 32 72 104
San Francisco State University 0 2 2
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 15 48 63
SUNY Buffalo (BISON) 0 1 1
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 47 117 164
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 3 0 3
UCLA ORION 1 2 3
UCSC CRUZCAT 0 2 2
UCSC INFOSLUG 0 0 0
UCSD ROGER 2 5 7
UCSF Catalog 10 2 12
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 4 4
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 0 0
Weather 3 0 3
WRLC 0 0 0
Yale 3 6 9
Other 2 0 2
_______ ______ _____
Total number of USE commands 357 684 1,041
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 2.7
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.4
1.5 Online Publications
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Current Cites 0
DLA Bulletin 0
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 231
SAVE SET 263
RECALL SET 46
DELETE/CLEAR SET 4
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,491
1.7.2 REQUEST Commands
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Number of REQUEST Commands 159
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 5 5
Davis 0 0 0
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
San Francisco 4 0 4
Santa Barbara 0 0 0
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 2 2
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 0 0
_______ ______ _____
4 7 11
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 6
CC 6
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 3
INS 0
PSYC 0
ABI 0
BIOSIS 1
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 26
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 03/30/01 3,618
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)