MELVYL SYSTEM TELNET STATISTICS
Time period: 12/23/00 through 12/29/00
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 58 1,234 1,292
Davis 1,057 179 1,236
Irvine 719 0 719
Los Angeles 165 1,040 1,205
Riverside 82 130 212
San Diego 336 783 1,119
San Francisco 1,085 0 1,085
Santa Barbara 175 401 576
Santa Cruz 28 204 232
NRLF 0 0 0
SRLF 0 0 0
LBL 0 73 73
LLL 0 85 85
Los Alamos 0 0 0
Other - UC 7 137 144
CSL 0 119 119
CSU n/a 15 15
Stanford n/a 228 228
Other - Non UC n/a 3,566 3,566
_______ ______ _____
3,712 8,194 11,906
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 12 12-2 p.m. 31
2-4 a.m. 13 2-4 p.m. 32
4-6 a.m. 10 4-6 p.m. 23
6-8 a.m. 5 6-8 p.m. 14
8-10 a.m. 18 8-10 p.m. 13
10-12 a.m. 32 10-12 p.m. 14
Maximum of active users in a 2 minute interval:
For MELVYL system on 12/28/00 at 10:45:06 total number of users: 78
For MELVYL MEDLINE on 12/27/00 at 13:25:04 total number of users: 17
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 307.03
For Non-UC users (hrs:mins) 14.63
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 381 4,138 4,519
Davis 3,145 516 3,661
Irvine 2,297 0 2,297
Los Angeles 463 2,880 3,343
Riverside 220 352 572
San Diego 1,447 1,831 3,278
San Francisco 4,165 0 4,165
Santa Barbara 742 1,413 2,155
Santa Cruz 90 923 1,013
NRLF 0 0 0
SRLF 0 0 0
LBL 0 252 252
LLL 0 763 763
Los Alamos 0 0 0
Other - UC 5 383 388
CSL 0 214 214
CSU n/a 36 36
Stanford n/a 578 578
Other - Non UC n/a 11,781 11,781
_______ ______ _____
12,955 26,060 39,015
Average number of FIND commands per hour:
12-2 a.m. 26 12-2 p.m. 241
2-4 a.m. 23 2-4 p.m. 246
4-6 a.m. 22 4-6 p.m. 146
6-8 a.m. 33 6-8 p.m. 61
8-10 a.m. 157 8-10 p.m. 54
10-12 a.m. 241 10-12 p.m. 50
Total number of FIND commands 39,015
Peak hourly load of 676 FIND commands occurred on 12/27/00 at Noon
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 4,068 44,808 48,876
Davis 33,302 2,654 35,956
Irvine 17,557 0 17,557
Los Angeles 6,388 22,822 29,210
Riverside 1,924 3,285 5,209
San Diego 12,203 23,940 36,143
San Francisco 36,251 0 36,251
Santa Barbara 6,212 27,362 33,574
Santa Cruz 672 9,950 10,622
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1,872 1,872
LLL 0 8,383 8,383
Los Alamos 0 0 0
Other - UC 31 5,503 5,534
CSL 0 1,105 1,105
CSU n/a 218 218
Stanford n/a 5,332 5,332
Other - Non UC n/a 193,112 193,112
_______ ______ _____
118,608 350,346 468,954
Average number of records displayed per hour:
12-2 a.m. 1,317 12-2 p.m. 5,500
2-4 a.m. 423 2-4 p.m. 6,752
4-6 a.m. 1,086 4-6 p.m. 3,000
6-8 a.m. 1,304 6-8 p.m. 1,642
8-10 a.m. 3,133 8-10 p.m. 1,294
10-12 a.m. 7,256 10-12 p.m. 1,907
Total number of Records Displayed 468,954
Peak hourly load of 31,943 records displayed occurred on 12/28/00 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 14,434 198,911 36.1% 37.0%
TEN 0 0 0.0% 0.0%
PE 1,294 12,729 3.3% 3.3%
ABI 262 586 0.7% 0.7%
BIOSIS 1,571 1,845 4.5% 4.0%
CC databases 4,011 45,078 9.7% 10.3%
CC 3,948 42,572 9.3% 10.1%
CCT 63 2,506 0.5% 0.2%
IAC databases 1,671 23,584 4.4% 4.3%
MAGS 1,381 21,544 4.0% 3.5%
NEWS 240 1,105 0.3% 0.6%
COMP 50 935 0.2% 0.1%
INS databases 1,320 11,973 4.4% 3.4%
INS 1,015 9,813 3.0% 2.6%
INS90 124 886 0.6% 0.3%
INS85 64 307 0.3% 0.2%
INS80 53 427 0.3% 0.1%
INS69 64 540 0.3% 0.2%
MED databases 9,058 90,199 24.1% 23.2%
MED 6,948 75,686 16.7% 17.8%
MED90 810 5,577 3.0% 2.1%
MED85 497 2,724 1.8% 1.3%
MED80 464 3,805 1.4% 1.2%
MED75 187 1,221 0.7% 0.5%
MED66 152 1,186 0.5% 0.4%
PSYC 1,514 2,812 3.0% 3.9%
OCLC 3,415 4,775 8.2% 8.8%
RLG 293 313 0.9% 0.8%
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) 1 7 8
GEOREF (Stanford) 5 26 31
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 27 13 40
Arizona State University 0 1 1
Boston University 0 0 0
California State Library 0 1 1
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 3 6 9
Cambridge University, England 0 0 0
CARL 0 1 1
CARL Uncover 1 8 9
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 2 2
DRA LC 0 1 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 2 2
Harvard 0 2 2
Library of Congress (LOCIS) 1 1 2
Los Angeles Public Library 0 2 2
National Agricultural Library 2 0 2
NLM AIDSDBS 0 1 1
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 15 21 36
New York Public Library 0 1 1
OCEAN Information Center 0 0 0
OCLC Catalog 1 38 39
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 3 34 37
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 1 19 20
SUNY Buffalo (BISON) 0 0 0
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 17 32 49
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 3 0 3
UCLA ORION 0 0 0
UCSC CRUZCAT 0 2 2
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 1 1
UCSF Catalog 25 0 25
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 1 1
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 1 1
Virginia Polytechnic Institute 0 1 1
Weather 0 0 0
WRLC 0 1 1
Yale 0 0 0
Other 0 0 0
_______ ______ _____
Total number of USE commands 105 226 331
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.5
Standard deviation in seconds 2.2
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.1
Standard deviation in seconds 0.3
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 87
SAVE SET 104
RECALL SET 4
DELETE/CLEAR SET 0
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 771
1.7.2 REQUEST Commands
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Number of REQUEST Commands 143
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 1 1
San Francisco 0 0 0
Santa Barbara 0 0 0
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 0 0
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
_______ ______ _____
0 1 1
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 1
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 11
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 12/29/00 3,891
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)