MELVYL SYSTEM TELNET STATISTICS
Time period: 12/09/00 through 12/15/00
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 1,533 5,909 7,442
Davis 3,564 669 4,233
Irvine 1,769 0 1,769
Los Angeles 560 2,562 3,122
Riverside 926 405 1,331
San Diego 873 1,500 2,373
San Francisco 2,343 0 2,343
Santa Barbara 643 774 1,417
Santa Cruz 528 465 993
NRLF 0 0 0
SRLF 0 0 0
LBL 0 379 379
LLL 0 249 249
Los Alamos 0 9 9
Other - UC 47 518 565
CSL 0 117 117
CSU n/a 211 211
Stanford n/a 364 364
Other - Non UC n/a 8,399 8,399
_______ ______ _____
12,786 22,530 35,316
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. 72
2-4 a.m. 10 2-4 p.m. 79
4-6 a.m. 8 4-6 p.m. 58
6-8 a.m. 10 6-8 p.m. 24
8-10 a.m. 46 8-10 p.m. 15
10-12 a.m. 78 10-12 p.m. 12
Maximum of active users in a 2 minute interval:
For MELVYL system on 12/12/00 at 15:16:12 total number of users: 135
For MELVYL MEDLINE on 12/12/00 at 16:14:21 total number of users: 32
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 754.37
For Non-UC users (hrs:mins) 30.10
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 4,530 17,861 22,391
Davis 10,538 2,199 12,737
Irvine 6,120 0 6,120
Los Angeles 1,637 7,183 8,820
Riverside 2,824 1,041 3,865
San Diego 2,786 4,102 6,888
San Francisco 7,221 0 7,221
Santa Barbara 1,955 2,269 4,224
Santa Cruz 2,590 1,499 4,089
NRLF 0 0 0
SRLF 0 0 0
LBL 0 913 913
LLL 0 1,229 1,229
Los Alamos 0 8 8
Other - UC 70 2,494 2,564
CSL 0 216 216
CSU n/a 659 659
Stanford n/a 1,251 1,251
Other - Non UC n/a 28,700 28,700
_______ ______ _____
40,271 71,624 111,895
Average number of FIND commands per hour:
12-2 a.m. 94 12-2 p.m. 720
2-4 a.m. 48 2-4 p.m. 779
4-6 a.m. 50 4-6 p.m. 587
6-8 a.m. 108 6-8 p.m. 218
8-10 a.m. 382 8-10 p.m. 120
10-12 a.m. 734 10-12 p.m. 95
Total number of FIND commands 111,895
Peak hourly load of 1,442 FIND commands occurred on 12/12/00 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 40,164 148,962 189,126
Davis 103,015 14,486 117,501
Irvine 48,842 0 48,842
Los Angeles 19,372 67,084 86,456
Riverside 20,493 9,081 29,574
San Diego 15,866 34,208 50,074
San Francisco 65,961 0 65,961
Santa Barbara 16,420 19,369 35,789
Santa Cruz 15,299 14,084 29,383
NRLF 0 0 0
SRLF 0 0 0
LBL 0 11,898 11,898
LLL 0 12,593 12,593
Los Alamos 0 18 18
Other - UC 394 15,109 15,503
CSL 0 1,268 1,268
CSU n/a 6,730 6,730
Stanford n/a 10,650 10,650
Other - Non UC n/a 223,408 223,408
_______ ______ _____
345,826 588,948 934,774
Average number of records displayed per hour:
12-2 a.m. 1,065 12-2 p.m. 13,566
2-4 a.m. 1,017 2-4 p.m. 13,545
4-6 a.m. 888 4-6 p.m. 10,345
6-8 a.m. 1,710 6-8 p.m. 4,054
8-10 a.m. 6,741 8-10 p.m. 2,841
10-12 a.m. 12,796 10-12 p.m. 1,836
Total number of Records Displayed 934,774
Peak hourly load of 37,484 records displayed occurred on 12/11/00 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 49,440 343,034 41.2% 44.2%
TEN 0 0 0.0% 0.0%
PE 3,942 33,975 3.6% 3.5%
ABI 505 693 0.5% 0.5%
BIOSIS 3,914 5,001 3.5% 3.5%
CC databases 9,340 110,704 9.0% 8.3%
CC 9,126 102,351 8.6% 8.2%
CCT 214 8,353 0.4% 0.2%
IAC databases 4,395 52,688 4.3% 3.9%
MAGS 3,836 46,827 3.6% 3.4%
NEWS 314 1,927 0.4% 0.3%
COMP 245 3,934 0.2% 0.2%
INS databases 3,950 28,491 5.0% 3.5%
INS 2,864 23,881 3.2% 2.6%
INS90 425 1,610 0.7% 0.4%
INS85 273 1,364 0.5% 0.2%
INS80 189 773 0.3% 0.2%
INS69 199 863 0.3% 0.2%
MED databases 20,509 187,504 19.3% 18.3%
MED 16,542 163,012 14.0% 14.8%
MED90 1,870 11,670 2.4% 1.7%
MED85 837 5,368 1.2% 0.7%
MED80 525 2,955 0.7% 0.5%
MED75 366 2,007 0.5% 0.3%
MED66 369 2,492 0.4% 0.3%
PSYC 4,282 6,033 3.2% 3.8%
OCLC 10,099 13,746 8.7% 9.0%
RLG 1,077 1,287 1.0% 1.0%
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) 10 31 41
GEOREF (Stanford) 19 86 105
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 103 112 215
Arizona State University 0 0 0
Boston University 0 1 1
California State Library 1 4 5
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 7 8 15
Cambridge University, England 0 0 0
CARL 0 1 1
CARL Uncover 5 10 15
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 1 1
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 1 48 49
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 1 1
Harvard 0 3 3
Library of Congress (LOCIS) 1 11 12
Los Angeles Public Library 0 0 0
National Agricultural Library 3 6 9
NLM AIDSDBS 2 3 5
NLM Databases (Medlars) 0 5 5
Northern Regional Lib Facility 127 31 158
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 2 63 65
OCLC EPIC 0 0 0
Oxford University, England 2 3 5
Princeton 0 1 1
Rensselaer Polytechnic Institute 0 0 0
RLIN 53 55 108
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 0 71 71
SUNY Buffalo (BISON) 2 2 4
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 69 151 220
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 2 1 3
UCLA ORION 0 3 3
UCSC CRUZCAT 0 0 0
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 2 2
UCSF Catalog 6 1 7
Univ. of Hawaii 2 1 3
Univ. of Tennessee 0 0 0
Univ. of Michigan 1 0 1
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 3 3
Virginia Polytechnic Institute 0 0 0
Weather 0 1 1
WRLC 0 0 0
Yale 0 15 15
Other 5 0 5
_______ ______ _____
Total number of USE commands 423 735 1,158
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 3.2
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 2
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 308
SAVE SET 305
RECALL SET 6
DELETE/CLEAR SET 17
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,975
1.7.2 REQUEST Commands
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Number of REQUEST Commands 212
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 1 1
Riverside 0 0 0
San Diego 2 11 13
San Francisco 1 0 1
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
_______ ______ _____
3 13 16
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 4
CC 4
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 8
INS 0
PSYC 0
ABI 0
BIOSIS 3
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 16
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 1
Total number of UPDATEs on 12/15/00 3,920
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)