MELVYL SYSTEM TELNET STATISTICS
Time period: 03/30/02 through 04/05/02
1.0 GENERAL STATISTICS (includes all databases)
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1.1 System load
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1.1.1 Total sessions:
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Location Library Remote Total
________ _______ ______ _____
Berkeley 815 3,626 4,441
Davis 1,877 181 2,058
Irvine 680 0 680
Los Angeles 9 851 860
Riverside 505 184 689
San Diego 415 464 879
San Francisco 361 0 361
Santa Barbara 214 201 415
Santa Cruz 362 305 667
NRLF 0 0 0
SRLF 0 0 0
LBL 0 170 170
LLL 0 101 101
Los Alamos 0 4 4
Other - UC 12 427 439
CSL 0 123 123
CSU n/a 114 114
Stanford n/a 69 69
Other - Non UC n/a 5,850 5,850
_______ ______ _____
5,250 12,670 17,920
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 12 12-2 p.m. 41
2-4 a.m. 15 2-4 p.m. 47
4-6 a.m. 11 4-6 p.m. 32
6-8 a.m. 9 6-8 p.m. 12
8-10 a.m. 31 8-10 p.m. 10
10-12 a.m. 50 10-12 p.m. 12
Maximum of active users in a 2 minute interval:
For MELVYL system on 04/03/02 at 11:42:05 total number of users: 89
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2,147 11,316 13,463
Davis 8,076 1,657 9,733
Irvine 2,548 0 2,548
Los Angeles 30 2,094 2,124
Riverside 3,356 835 4,191
San Diego 1,344 1,119 2,463
San Francisco 949 0 949
Santa Barbara 781 543 1,324
Santa Cruz 1,900 1,089 2,989
NRLF 0 0 0
SRLF 0 0 0
LBL 0 275 275
LLL 0 248 248
Los Alamos 0 11 11
Other - UC 22 1,005 1,027
CSL 0 173 173
CSU n/a 573 573
Stanford n/a 187 187
Other - Non UC n/a 19,551 19,551
_______ ______ _____
21,153 40,676 61,829
Average number of FIND commands per hour:
12-2 a.m. 42 12-2 p.m. 386
2-4 a.m. 32 2-4 p.m. 466
4-6 a.m. 23 4-6 p.m. 295
6-8 a.m. 62 6-8 p.m. 79
8-10 a.m. 243 8-10 p.m. 63
10-12 a.m. 416 10-12 p.m. 68
Total number of FIND commands 61,829
Peak hourly load of 785 FIND commands occurred on 04/04/02 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 19,215 102,497 121,712
Davis 55,430 8,360 63,790
Irvine 26,837 0 26,837
Los Angeles 585 21,350 21,935
Riverside 15,523 5,734 21,257
San Diego 5,783 13,248 19,031
San Francisco 8,740 0 8,740
Santa Barbara 9,997 6,546 16,543
Santa Cruz 10,354 7,529 17,883
NRLF 0 0 0
SRLF 0 0 0
LBL 0 2,984 2,984
LLL 0 2,664 2,664
Los Alamos 0 14 14
Other - UC 158 13,478 13,636
CSL 0 1,006 1,006
CSU n/a 7,156 7,156
Stanford n/a 1,613 1,613
Other - Non UC n/a 142,523 142,523
_______ ______ _____
152,622 336,702 489,324
Average number of records displayed per hour:
12-2 a.m. 497 12-2 p.m. 7,022
2-4 a.m. 772 2-4 p.m. 7,210
4-6 a.m. 219 4-6 p.m. 4,979
6-8 a.m. 1,042 6-8 p.m. 1,638
8-10 a.m. 4,018 8-10 p.m. 1,154
10-12 a.m. 6,540 10-12 p.m. 1,091
Total number of Records Displayed 489,324
Peak hourly load of 11,755 records displayed occurred on 04/02/02 at 2 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 41,187 294,058 57.0% 66.6%
TEN 0 0 0.0% 0.0%
PE 3,025 26,986 6.5% 4.9%
ABI 341 798 0.7% 0.6%
BIOSIS 2,644 2,915 5.2% 4.3%
CC databases 5,381 55,437 11.3% 8.7%
CC 5,238 51,004 10.9% 8.5%
CCT 143 4,433 0.4% 0.2%
IAC databases 1,932 18,022 4.3% 3.1%
MAGS 1,677 16,446 3.7% 2.7%
NEWS 163 1,109 0.4% 0.3%
COMP 92 467 0.2% 0.1%
INS databases 2,065 16,739 5.6% 3.3%
INS 1,441 13,572 3.6% 2.3%
INS90 254 1,165 0.8% 0.4%
INS85 141 755 0.5% 0.2%
INS80 88 366 0.3% 0.1%
INS69 141 881 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 2,643 3,336 3.7% 4.3%
OCLC 308 219 0.6% 0.5%
RLG 1,947 2,597 4.3% 3.1%
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 89 78 167
Arizona State University 1 0 1
Boston University 1 2 3
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 15 9 24
Cambridge University, England 0 0 0
CARL 0 1 1
CARL Uncover 3 4 7
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 16 16
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 0 0
Harvard 0 3 3
Library of Congress (LOCIS) 5 1 6
Los Angeles Public Library 0 1 1
National Agricultural Library 0 0 0
NLM AIDSDBS 1 0 1
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 43 21 64
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 62 62
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 15 78 93
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 3 5 8
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 89 125
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 0 1
UCLA ORION 0 3 3
UCSC CRUZCAT 0 1 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 4 5
UCSF Catalog 9 1 10
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 1 1
Virginia Polytechnic Institute 0 0 0
Weather 0 1 1
WRLC 0 0 0
Yale 3 3 6
Other 0 0 0
_______ ______ _____
Total number of USE commands 226 385 611
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 3.3
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.2
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 38
SAVE SET 59
RECALL SET 12
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 576
1.7.2 REQUEST Commands
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Number of REQUEST Commands 95
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 1 0 1
Irvine 0 0 0
Los Angeles 0 1 1
Riverside 0 1 1
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
_______ ______ _____
1 2 3
1.7.4 Number of UPDATE commands by Database
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CAT 0
PE 0
TEN 0
CC databases 2
CC 2
CCT 0
IAC databases 1
MAGS 1
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 10
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 04/05/02 1,706
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)