MELVYL SYSTEM TELNET STATISTICS
Time period: 12/22/01 through 12/28/01
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 24 666 690
Davis 850 139 989
Irvine 174 0 174
Los Angeles 5 633 638
Riverside 64 116 180
San Diego 218 370 588
San Francisco 590 0 590
Santa Barbara 81 144 225
Santa Cruz 0 99 99
NRLF 0 0 0
SRLF 0 0 0
LBL 0 88 88
LLL 0 45 45
Los Alamos 0 1 1
Other - UC 16 82 98
CSL 0 84 84
CSU n/a 12 12
Stanford n/a 34 34
Other - Non UC n/a 3,051 3,051
_______ ______ _____
2,022 5,564 7,586
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 27 12-2 p.m. 24
2-4 a.m. 23 2-4 p.m. 24
4-6 a.m. 17 4-6 p.m. 20
6-8 a.m. 7 6-8 p.m. 18
8-10 a.m. 18 8-10 p.m. 20
10-12 a.m. 25 10-12 p.m. 24
Maximum of active users in a 2 minute interval:
For MELVYL system on 12/26/01 at 0:14:51 total number of users: 58
For MELVYL MEDLINE on 12/28/01 at 11:53:11 total number of users: 11
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 147.73
For Non-UC users (hrs:mins) 5.27
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 69 1,892 1,961
Davis 3,932 532 4,464
Irvine 793 0 793
Los Angeles 8 1,631 1,639
Riverside 214 382 596
San Diego 534 1,051 1,585
San Francisco 1,538 0 1,538
Santa Barbara 280 418 698
Santa Cruz 0 197 197
NRLF 0 0 0
SRLF 0 0 0
LBL 0 156 156
LLL 0 104 104
Los Alamos 0 1 1
Other - UC 12 189 201
CSL 0 127 127
CSU n/a 56 56
Stanford n/a 151 151
Other - Non UC n/a 9,007 9,007
_______ ______ _____
7,380 15,894 23,274
Average number of FIND commands per hour:
12-2 a.m. 35 12-2 p.m. 158
2-4 a.m. 18 2-4 p.m. 160
4-6 a.m. 24 4-6 p.m. 104
6-8 a.m. 25 6-8 p.m. 39
8-10 a.m. 86 8-10 p.m. 41
10-12 a.m. 156 10-12 p.m. 31
Total number of FIND commands 23,274
Peak hourly load of 376 FIND commands occurred on 12/26/01 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1,847 18,764 20,611
Davis 26,413 3,039 29,452
Irvine 12,837 0 12,837
Los Angeles 43 14,691 14,734
Riverside 1,565 2,643 4,208
San Diego 4,336 261,117 265,453
San Francisco 18,828 0 18,828
Santa Barbara 2,766 3,210 5,976
Santa Cruz 0 2,279 2,279
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1,424 1,424
LLL 0 1,789 1,789
Los Alamos 0 1 1
Other - UC 14 1,689 1,703
CSL 0 1,045 1,045
CSU n/a 308 308
Stanford n/a 770 770
Other - Non UC n/a 67,619 67,619
_______ ______ _____
68,649 380,388 449,037
Average number of records displayed per hour:
12-2 a.m. 485 12-2 p.m. 10,096
2-4 a.m. 843 2-4 p.m. 2,373
4-6 a.m. 303 4-6 p.m. 1,391
6-8 a.m. 470 6-8 p.m. 663
8-10 a.m. 1,440 8-10 p.m. 740
10-12 a.m. 13,329 10-12 p.m. 555
Total number of Records Displayed 449,037
Peak hourly load of 98,857 records displayed occurred on 12/28/01 at Noon
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 10,700 77,495 41.3% 46.0%
TEN 0 0 0.0% 0.0%
PE 980 6,976 4.5% 4.2%
ABI 253 487 1.1% 1.1%
BIOSIS 840 963 4.1% 3.6%
CC databases 2,128 26,951 11.0% 9.1%
CC 2,111 24,624 10.8% 9.1%
CCT 17 2,327 0.2% 0.1%
IAC databases 777 259,244 3.1% 3.3%
MAGS 713 220,383 2.7% 3.1%
NEWS 25 190 0.2% 0.1%
COMP 39 38,671 0.2% 0.2%
INS databases 961 6,792 6.4% 4.1%
INS 576 4,170 3.7% 2.5%
INS90 115 841 0.8% 0.5%
INS85 75 494 0.7% 0.3%
INS80 93 229 0.7% 0.4%
INS69 102 1,058 0.6% 0.4%
MED databases 4,846 47,459 20.6% 20.8%
MED 3,691 41,515 14.9% 15.9%
MED90 448 2,721 2.4% 1.9%
MED85 251 1,494 1.4% 1.1%
MED80 182 633 0.9% 0.8%
MED75 130 482 0.5% 0.6%
MED66 144 614 0.5% 0.6%
PSYC 925 900 2.7% 4.0%
OCLC 94 68 0.4% 0.4%
RLG 626 773 3.8% 2.7%
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) 0 0 0
GEOREF (Stanford) 0 0 0
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 37 32 69
Arizona State University 0 1 1
Boston University 0 0 0
California State Library 0 0 0
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 4 7 11
Cambridge University, England 0 2 2
CARL 0 0 0
CARL Uncover 0 0 0
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 4 4
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 3 3
Harvard 0 3 3
Library of Congress (LOCIS) 2 2 4
Los Angeles Public Library 0 0 0
National Agricultural Library 0 0 0
NLM AIDSDBS 1 2 3
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 6 6 12
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 33 33
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 0 12 12
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 0 0 0
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 10 23 33
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 0 0 0
UCLA ORION 1 1 2
UCSC CRUZCAT 0 0 0
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 0 1
UCSF Catalog 0 0 0
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 0 0
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 0 5 5
WRLC 0 0 0
Yale 0 0 0
Other 1 0 1
_______ ______ _____
Total number of USE commands 63 137 200
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 2.4
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.1
Standard deviation in seconds 0.2
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 21
SAVE SET 26
RECALL SET 6
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 274
1.7.2 REQUEST Commands
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Number of REQUEST Commands 30
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 1 1
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 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 1
PE 0
TEN 0
CC databases 0
CC 0
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 0
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 9
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 12/28/01 1,865
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)