MELVYL SYSTEM TELNET STATISTICS
Time period: 01/12/02 through 01/18/02
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 692 3,551 4,243
Davis 2,464 277 2,741
Irvine 732 0 732
Los Angeles 36 1,176 1,212
Riverside 462 205 667
San Diego 578 674 1,252
San Francisco 436 0 436
Santa Barbara 314 311 625
Santa Cruz 236 381 617
NRLF 0 0 0
SRLF 0 0 0
LBL 0 289 289
LLL 0 90 90
Los Alamos 0 5 5
Other - UC 57 297 354
CSL 0 159 159
CSU n/a 174 174
Stanford n/a 40 40
Other - Non UC n/a 6,530 6,530
_______ ______ _____
6,007 14,159 20,166
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 16 12-2 p.m. 49
2-4 a.m. 16 2-4 p.m. 56
4-6 a.m. 13 4-6 p.m. 37
6-8 a.m. 10 6-8 p.m. 15
8-10 a.m. 34 8-10 p.m. 10
10-12 a.m. 54 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 01/15/02 at 14:46:36 total number of users: 93
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1,762 9,703 11,465
Davis 8,495 1,041 9,536
Irvine 3,421 0 3,421
Los Angeles 247 3,294 3,541
Riverside 1,661 548 2,209
San Diego 1,438 1,759 3,197
San Francisco 1,611 0 1,611
Santa Barbara 1,274 776 2,050
Santa Cruz 1,482 1,066 2,548
NRLF 0 0 0
SRLF 0 0 0
LBL 0 767 767
LLL 0 209 209
Los Alamos 0 20 20
Other - UC 35 897 932
CSL 0 156 156
CSU n/a 559 559
Stanford n/a 77 77
Other - Non UC n/a 22,254 22,254
_______ ______ _____
21,426 43,126 64,552
Average number of FIND commands per hour:
12-2 a.m. 53 12-2 p.m. 360
2-4 a.m. 36 2-4 p.m. 423
4-6 a.m. 36 4-6 p.m. 307
6-8 a.m. 54 6-8 p.m. 89
8-10 a.m. 245 8-10 p.m. 48
10-12 a.m. 392 10-12 p.m. 56
Total number of FIND commands 64,552
Peak hourly load of 692 FIND commands occurred on 01/14/02 at 10 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 14,845 93,319 108,164
Davis 57,439 5,876 63,315
Irvine 31,835 0 31,835
Los Angeles 3,003 26,846 29,849
Riverside 12,480 4,231 16,711
San Diego 10,707 13,901 24,608
San Francisco 12,919 0 12,919
Santa Barbara 11,331 6,632 17,963
Santa Cruz 7,180 7,980 15,160
NRLF 0 0 0
SRLF 0 0 0
LBL 0 5,460 5,460
LLL 0 1,845 1,845
Los Alamos 0 38 38
Other - UC 327 8,388 8,715
CSL 0 1,220 1,220
CSU n/a 6,685 6,685
Stanford n/a 526 526
Other - Non UC n/a 182,357 182,357
_______ ______ _____
162,066 365,304 527,370
Average number of records displayed per hour:
12-2 a.m. 678 12-2 p.m. 6,278
2-4 a.m. 1,079 2-4 p.m. 7,530
4-6 a.m. 459 4-6 p.m. 5,143
6-8 a.m. 1,054 6-8 p.m. 2,223
8-10 a.m. 3,929 8-10 p.m. 1,825
10-12 a.m. 7,315 10-12 p.m. 1,130
Total number of Records Displayed 527,370
Peak hourly load of 12,736 records displayed occurred on 01/14/02 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 39,800 304,705 56.8% 61.7%
TEN 0 0 0.0% 0.0%
PE 4,334 33,483 6.8% 6.7%
ABI 435 535 0.7% 0.7%
BIOSIS 3,268 4,181 5.6% 5.1%
CC databases 6,631 73,554 11.9% 10.3%
CC 6,558 71,304 11.6% 10.2%
CCT 73 2,250 0.3% 0.1%
IAC databases 1,801 22,248 3.6% 2.8%
MAGS 1,640 20,641 3.2% 2.5%
NEWS 109 840 0.3% 0.2%
COMP 52 767 0.1% 0.1%
INS databases 2,683 18,138 6.4% 4.2%
INS 1,838 13,830 3.9% 2.8%
INS90 367 1,952 1.0% 0.6%
INS85 182 785 0.6% 0.3%
INS80 147 474 0.4% 0.2%
INS69 149 1,097 0.4% 0.2%
MED databases 0 0 0.0% 0.0%
MED 0 0 0.0% 0.0%
MED90 0 0 0.0% 0.0%
MED85 0 0 0.0% 0.0%
MED80 0 0 0.0% 0.0%
MED75 0 0 0.0% 0.0%
MED66 0 0 0.0% 0.0%
PSYC 3,160 4,085 3.6% 4.9%
OCLC 282 214 0.5% 0.4%
RLG 1,798 2,421 3.4% 2.8%
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) 0 0 0
GEOREF (Stanford) 0 0 0
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 148 202 350
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 9 13 22
Cambridge University, England 0 0 0
CARL 0 0 0
CARL Uncover 0 5 5
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 1 1
DIALOG 3 43 46
DRA LC 1 0 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 0 0
Harvard 0 1 1
Library of Congress (LOCIS) 2 5 7
Los Angeles Public Library 0 0 0
National Agricultural Library 0 0 0
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 93 31 124
New York Public Library 0 1 1
OCEAN Information Center 0 0 0
OCLC Catalog 0 109 109
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 1 1
Rensselaer Polytechnic Institute 0 0 0
RLIN 25 94 119
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 1 13 14
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 36 100 136
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 2 3
UCLA ORION 0 0 0
UCSC CRUZCAT 0 1 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 1 1
UCSF Catalog 0 2 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 4 3 7
Virginia Polytechnic Institute 0 1 1
Weather 0 0 0
WRLC 0 0 0
Yale 3 0 3
Other 1 1 2
_______ ______ _____
Total number of USE commands 327 633 960
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.7
Standard deviation in seconds 4.0
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 0
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 36
SAVE SET 56
RECALL SET 5
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 715
1.7.2 REQUEST Commands
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Number of REQUEST Commands 69
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 1 1
Riverside 0 0 0
San Diego 0 3 3
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 4 4
1.7.4 Number of UPDATE commands by Database
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CAT 0
PE 0
TEN 0
CC databases 3
CC 0
CCT 3
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 0
INS 0
PSYC 0
ABI 0
BIOSIS 1
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 1
Number of REDO UPDATE commands 0
Total number of UPDATEs on 01/18/02 1,803
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)