MELVYL SYSTEM TELNET STATISTICS
Time period: 05/19/01 through 05/25/01
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 930 5,028 5,958
Davis 4,731 464 5,195
Irvine 2,261 0 2,261
Los Angeles 49 2,412 2,461
Riverside 1,074 266 1,340
San Diego 804 1,247 2,051
San Francisco 2,105 0 2,105
Santa Barbara 434 540 974
Santa Cruz 558 483 1,041
NRLF 0 0 0
SRLF 0 0 0
LBL 0 326 326
LLL 0 238 238
Los Alamos 0 7 7
Other - UC 78 387 465
CSL 0 182 182
CSU n/a 218 218
Stanford n/a 416 416
Other - Non UC n/a 9,541 9,541
_______ ______ _____
13,024 21,755 34,779
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. 65
2-4 a.m. 10 2-4 p.m. 72
4-6 a.m. 9 4-6 p.m. 50
6-8 a.m. 13 6-8 p.m. 19
8-10 a.m. 50 8-10 p.m. 13
10-12 a.m. 73 10-12 p.m. 12
Maximum of active users in a 2 minute interval:
For MELVYL system on 05/23/01 at 10:02:14 total number of users: 123
For MELVYL MEDLINE on 05/22/01 at 12:29:58 total number of users: 27
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 671.87
For Non-UC users (hrs:mins) 39.20
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2,301 16,409 18,710
Davis 15,545 1,531 17,076
Irvine 8,266 0 8,266
Los Angeles 80 7,147 7,227
Riverside 3,080 701 3,781
San Diego 2,048 3,011 5,059
San Francisco 6,672 0 6,672
Santa Barbara 1,184 1,469 2,653
Santa Cruz 2,194 1,340 3,534
NRLF 0 0 0
SRLF 0 0 0
LBL 0 702 702
LLL 0 623 623
Los Alamos 0 14 14
Other - UC 106 1,125 1,231
CSL 0 309 309
CSU n/a 980 980
Stanford n/a 1,374 1,374
Other - Non UC n/a 29,550 29,550
_______ ______ _____
41,476 66,285 107,761
Average number of FIND commands per hour:
12-2 a.m. 92 12-2 p.m. 623
2-4 a.m. 58 2-4 p.m. 722
4-6 a.m. 53 4-6 p.m. 509
6-8 a.m. 130 6-8 p.m. 172
8-10 a.m. 462 8-10 p.m. 122
10-12 a.m. 737 10-12 p.m. 91
Total number of FIND commands 107,761
Peak hourly load of 1,119 FIND commands occurred on 05/22/01 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 24,270 149,785 174,055
Davis 211,754 10,183 221,937
Irvine 60,695 0 60,695
Los Angeles 826 63,537 64,363
Riverside 32,251 7,189 39,440
San Diego 12,167 27,270 39,437
San Francisco 58,589 0 58,589
Santa Barbara 11,538 14,582 26,120
Santa Cruz 12,137 12,405 24,542
NRLF 0 0 0
SRLF 0 0 0
LBL 0 7,919 7,919
LLL 0 7,116 7,116
Los Alamos 0 26 26
Other - UC 905 9,963 10,868
CSL 0 1,939 1,939
CSU n/a 8,540 8,540
Stanford n/a 13,507 13,507
Other - Non UC n/a 316,282 316,282
_______ ______ _____
425,132 650,243 1,075,375
Average number of records displayed per hour:
12-2 a.m. 1,386 12-2 p.m. 10,677
2-4 a.m. 3,583 2-4 p.m. 13,073
4-6 a.m. 719 4-6 p.m. 11,170
6-8 a.m. 2,108 6-8 p.m. 8,449
8-10 a.m. 8,011 8-10 p.m. 2,422
10-12 a.m. 14,525 10-12 p.m. 2,228
Total number of Records Displayed 1,075,375
Peak hourly load of 56,211 records displayed occurred on 05/23/01 at 6 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 49,146 451,493 41.7% 45.6%
TEN 0 0 0.0% 0.0%
PE 4,131 30,516 3.7% 3.8%
ABI 553 1,024 0.5% 0.5%
BIOSIS 3,173 3,941 3.0% 2.9%
CC databases 8,606 129,934 8.9% 8.0%
CC 8,482 125,677 8.5% 7.9%
CCT 124 4,257 0.4% 0.1%
IAC databases 4,496 43,063 4.5% 4.2%
MAGS 3,827 38,161 3.8% 3.6%
NEWS 558 3,922 0.6% 0.5%
COMP 111 980 0.1% 0.1%
INS databases 2,940 22,466 4.0% 2.7%
INS 2,038 17,474 2.5% 1.9%
INS90 327 1,715 0.5% 0.3%
INS85 221 1,683 0.4% 0.2%
INS80 172 607 0.3% 0.2%
INS69 182 987 0.3% 0.2%
MED databases 18,799 176,245 17.8% 17.4%
MED 15,062 154,042 12.9% 14.0%
MED90 1,671 10,567 2.2% 1.6%
MED85 892 5,554 1.2% 0.8%
MED80 529 2,276 0.7% 0.5%
MED75 306 1,699 0.5% 0.3%
MED66 339 2,107 0.4% 0.3%
PSYC 4,132 5,821 3.0% 3.8%
OCLC 10,178 13,151 10.8% 9.4%
RLG 1,268 1,403 1.5% 1.2%
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) 17 29 46
GEOREF (Stanford) 26 94 120
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 126 160 286
Arizona State University 0 0 0
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 4 8 12
Cambridge University, England 0 0 0
CARL 0 1 1
CARL Uncover 1 17 18
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 1 1
DIALOG 7 24 31
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 0 0
Harvard 0 1 1
Library of Congress (LOCIS) 5 4 9
Los Angeles Public Library 0 0 0
National Agricultural Library 5 1 6
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 69 22 91
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 3 72 75
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 33 64 97
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 1 46 47
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 48 84 132
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 2 3
UCLA ORION 0 0 0
UCSC CRUZCAT 1 2 3
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 7 7
UCSF Catalog 2 0 2
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 0 0
Weather 1 2 3
WRLC 0 0 0
Yale 8 2 10
Other 2 0 2
_______ ______ _____
Total number of USE commands 360 646 1,006
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 2.6
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.3
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 125
SAVE SET 207
RECALL SET 5
DELETE/CLEAR SET 5
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,588
1.7.2 REQUEST Commands
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Number of REQUEST Commands 121
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 4 4
Davis 0 0 0
Irvine 0 0 0
Los Angeles 0 2 2
Riverside 0 0 0
San Diego 0 0 0
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 2 2
_______ ______ _____
0 8 8
1.7.4 Number of UPDATE commands by Database
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CAT 3
PE 0
TEN 0
CC databases 4
CC 4
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 13
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 05/25/01 3,370
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)