MELVYL SYSTEM TELNET STATISTICS
Time period: 03/01/00 through 03/31/00
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 16,941 35,047 51,988
Davis 25,992 3,978 29,970
Irvine 15,845 0 15,845
Los Angeles 7,293 17,988 25,281
Riverside 8,621 2,611 11,232
San Diego 5,208 9,403 14,611
San Francisco 15,420 0 15,420
Santa Barbara 5,908 5,569 11,477
Santa Cruz 6,985 4,290 11,275
NRLF 0 0 0
SRLF 23 0 23
LBL 0 2,206 2,206
LLL 0 1,582 1,582
Los Alamos 0 26 26
Other - UC 656 3,402 4,058
CSL 0 859 859
CSU n/a 1,839 1,839
Stanford n/a 3,911 3,911
Other - Non UC n/a 49,612 49,612
_______ ______ _____
108,892 142,323 251,215
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 13 12-2 p.m. 109
2-4 a.m. 11 2-4 p.m. 130
4-6 a.m. 9 4-6 p.m. 92
6-8 a.m. 15 6-8 p.m. 40
8-10 a.m. 64 8-10 p.m. 28
10-12 a.m. 109 10-12 p.m. 21
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 5417.13
For Non-UC users (hrs:mins) 364.50
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 53,570 104,810 158,380
Davis 84,009 15,067 99,076
Irvine 49,649 0 49,649
Los Angeles 22,422 53,220 75,642
Riverside 27,992 7,658 35,650
San Diego 15,197 22,975 38,172
San Francisco 51,370 0 51,370
Santa Barbara 26,954 17,055 44,009
Santa Cruz 31,885 13,426 45,311
NRLF 0 0 0
SRLF 62 0 62
LBL 0 5,845 5,845
LLL 0 6,035 6,035
Los Alamos 0 49 49
Other - UC 803 18,989 19,792
CSL 0 1,929 1,929
CSU n/a 10,383 10,383
Stanford n/a 11,541 11,541
Other - Non UC n/a 193,125 193,125
_______ ______ _____
363,913 482,107 846,020
Average number of FIND commands per hour:
12-2 a.m. 139 12-2 p.m. 1,162
2-4 a.m. 99 2-4 p.m. 1,402
4-6 a.m. 81 4-6 p.m. 981
6-8 a.m. 169 6-8 p.m. 389
8-10 a.m. 665 8-10 p.m. 290
10-12 a.m. 1,171 10-12 p.m. 222
Total number of FIND commands 846,020
Peak hourly load of 5,390 FIND commands occurred on 03/29/00 at 4 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 494,271 1,062,417 1,556,688
Davis 754,089 89,104 843,193
Irvine 424,320 0 424,320
Los Angeles 208,240 581,110 789,350
Riverside 339,704 79,653 419,357
San Diego 104,682 223,274 327,956
San Francisco 446,236 0 446,236
Santa Barbara 203,835 176,686 380,521
Santa Cruz 177,808 118,269 296,077
NRLF 0 0 0
SRLF 498 0 498
LBL 0 62,231 62,231
LLL 0 59,896 59,896
Los Alamos 0 299 299
Other - UC 8,739 122,761 131,500
CSL 0 9,231 9,231
CSU n/a 91,523 91,523
Stanford n/a 137,782 137,782
Other - Non UC n/a 1,581,701 1,581,701
_______ ______ _____
3,162,422 4,395,937 7,558,359
Average number of records displayed per hour:
12-2 a.m. 1,992 12-2 p.m. 22,546
2-4 a.m. 1,883 2-4 p.m. 25,462
4-6 a.m. 1,218 4-6 p.m. 18,154
6-8 a.m. 3,054 6-8 p.m. 9,013
8-10 a.m. 13,303 8-10 p.m. 5,843
10-12 a.m. 21,440 10-12 p.m. 3,984
Total number of Records Displayed 7,558,359
Peak hourly load of 54,848 records displayed occurred on 03/21/00 at 9 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 374,133 2,912,022 40.9% 44.2%
TEN 0 0 0.0% 0.0%
PE 24,361 216,795 3.0% 2.9%
ABI 5,970 12,500 0.8% 0.7%
BIOSIS 33,385 47,213 4.0% 3.9%
CC databases 64,935 621,900 9.0% 7.7%
CC 63,771 577,834 8.6% 7.5%
CCT 1,164 44,066 0.4% 0.1%
IAC databases 58,053 631,670 7.0% 6.9%
MAGS 52,253 586,394 6.1% 6.2%
NEWS 4,427 30,725 0.7% 0.5%
COMP 1,373 14,551 0.2% 0.2%
INS databases 25,474 184,927 4.4% 3.0%
INS 17,454 138,736 2.8% 2.1%
INS90 3,072 16,946 0.6% 0.4%
INS85 1,858 10,073 0.4% 0.2%
INS80 1,424 7,021 0.3% 0.2%
INS69 1,666 12,151 0.3% 0.2%
MED databases 151,736 1,598,064 20.1% 17.9%
MED 121,533 1,343,222 14.4% 14.4%
MED90 14,445 129,313 2.6% 1.7%
MED85 6,894 50,241 1.4% 0.8%
MED80 4,486 39,318 0.9% 0.5%
MED75 2,405 22,362 0.5% 0.3%
MED66 1,973 13,608 0.3% 0.2%
PSYC 35,340 56,223 3.4% 4.2%
OCLC 61,351 74,608 5.6% 7.3%
RLG 8,086 8,274 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) 218 216 434
GEOREF (Stanford) 236 874 1,110
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 463 542 1,005
Arizona State University 1 15 16
Boston University 1 15 16
California State Library 3 14 17
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 2 0 2
Cal State Univ., Hayward 28 20 48
Cambridge University, England 3 9 12
CARL 1 22 23
CARL Uncover 33 68 101
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 4 3 7
Dartmouth College 3 1 4
DIALOG 19 189 208
DRA LC 3 4 7
Earthquake Engineering Abstracts 0 0 0
FS INFO 14 36 50
Harvard 10 37 47
Library of Congress (LOCIS) 20 67 87
Los Angeles Public Library 3 18 21
National Agricultural Library 37 29 66
NLM AIDSDBS 5 7 12
NLM Databases (Medlars) 51 62 113
Northern Regional Lib Facility 640 179 819
New York Public Library 1 34 35
OCEAN Information Center 0 0 0
OCLC Catalog 8 331 339
OCLC EPIC 3 1 4
Oxford University, England 6 52 58
Princeton 1 6 7
Rensselaer Polytechnic Institute 0 3 3
RLIN 265 348 613
San Francisco State University 1 1 2
San Jose State University 2 4 6
Santa Clara University (OSCAR) 0 0 0
Stanford University 43 503 546
SUNY Buffalo (BISON) 4 11 15
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 564 912 1,476
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 30 17 47
UCLA ORION 10 17 27
UCSC CRUZCAT 8 45 53
UCSC INFOSLUG 0 0 0
UCSD ROGER 16 29 45
UCSF Catalog 71 5 76
Univ. of Hawaii 5 5 10
Univ. of Tennessee 0 1 1
Univ. of Michigan 3 16 19
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 2 5 7
Virginia Polytechnic Institute 0 3 3
Weather 4 107 111
WRLC 0 0 0
Yale 44 10 54
Other 24 12 36
_______ ______ _____
Total number of USE commands 2,913 4,905 7,812
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.9
Standard deviation in seconds 3.6
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.6
1.5 Online Publications
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Current Cites 0
DLA Bulletin 3
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 1,741
SAVE SET 1,829
RECALL SET 40
DELETE/CLEAR SET 44
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 15,992
1.7.2 REQUEST Commands
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Number of REQUEST Commands 1,716
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 12 13
Davis 9 0 9
Irvine 2 0 2
Los Angeles 1 1 2
Riverside 3 0 3
San Diego 2 5 7
San Francisco 19 0 19
Santa Barbara 1 2 3
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 8 8
Other - Non UC n/a 5 5
_______ ______ _____
38 33 71
1.7.4 Number of UPDATE commands by Database
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CAT 10
PE 0
TEN 0
CC databases 21
CC 18
CCT 3
IAC databases 2
MAGS 1
NEWS 1
COMP 0
MED 30
INS 1
PSYC 2
ABI 0
BIOSIS 5
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 197
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 6
Number of REDO UPDATE commands 0
Total number of UPDATEs on 03/31/00 5,376
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)