MELVYL SYSTEM TELNET STATISTICS
Time period: 02/03/01 through 02/09/01
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 2,092 7,073 9,165
Davis 4,765 530 5,295
Irvine 2,230 0 2,230
Los Angeles 381 2,514 2,895
Riverside 1,164 348 1,512
San Diego 981 1,635 2,616
San Francisco 2,410 0 2,410
Santa Barbara 760 890 1,650
Santa Cruz 840 622 1,462
NRLF 0 0 0
SRLF 5 0 5
LBL 0 484 484
LLL 0 271 271
Los Alamos 0 8 8
Other - UC 63 553 616
CSL 0 174 174
CSU n/a 365 365
Stanford n/a 428 428
Other - Non UC n/a 10,036 10,036
_______ ______ _____
15,691 25,931 41,622
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 8 12-2 p.m. 79
2-4 a.m. 9 2-4 p.m. 89
4-6 a.m. 7 4-6 p.m. 65
6-8 a.m. 11 6-8 p.m. 28
8-10 a.m. 48 8-10 p.m. 19
10-12 a.m. 81 10-12 p.m. 12
Maximum of active users in a 2 minute interval:
For MELVYL system on 02/05/01 at 14:53:22 total number of users: 138
For MELVYL MEDLINE on 02/09/01 at 15:42:51 total number of users: 27
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 796.63
For Non-UC users (hrs:mins) 38.70
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 6,580 18,954 25,534
Davis 15,946 1,640 17,586
Irvine 8,678 0 8,678
Los Angeles 1,214 6,908 8,122
Riverside 3,664 867 4,531
San Diego 3,013 4,498 7,511
San Francisco 6,962 0 6,962
Santa Barbara 2,158 2,242 4,400
Santa Cruz 2,653 1,864 4,517
NRLF 0 0 0
SRLF 9 0 9
LBL 0 1,014 1,014
LLL 0 1,401 1,401
Los Alamos 0 25 25
Other - UC 100 1,750 1,850
CSL 0 440 440
CSU n/a 1,901 1,901
Stanford n/a 1,260 1,260
Other - Non UC n/a 32,023 32,023
_______ ______ _____
50,977 76,787 127,764
Average number of FIND commands per hour:
12-2 a.m. 64 12-2 p.m. 766
2-4 a.m. 46 2-4 p.m. 879
4-6 a.m. 48 4-6 p.m. 643
6-8 a.m. 98 6-8 p.m. 229
8-10 a.m. 466 8-10 p.m. 152
10-12 a.m. 756 10-12 p.m. 96
Total number of FIND commands 127,764
Peak hourly load of 1,392 FIND commands occurred on 02/06/01 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 66,470 190,112 256,582
Davis 122,254 9,354 131,608
Irvine 57,767 0 57,767
Los Angeles 11,871 79,639 91,510
Riverside 32,925 11,288 44,213
San Diego 15,980 38,885 54,865
San Francisco 77,602 0 77,602
Santa Barbara 20,876 21,506 42,382
Santa Cruz 18,728 15,425 34,153
NRLF 0 0 0
SRLF 98 0 98
LBL 0 11,573 11,573
LLL 0 17,178 17,178
Los Alamos 0 93 93
Other - UC 507 15,552 16,059
CSL 0 3,072 3,072
CSU n/a 17,877 17,877
Stanford n/a 15,422 15,422
Other - Non UC n/a 261,538 261,538
_______ ______ _____
425,078 708,514 1,133,592
Average number of records displayed per hour:
12-2 a.m. 1,148 12-2 p.m. 14,753
2-4 a.m. 845 2-4 p.m. 16,310
4-6 a.m. 873 4-6 p.m. 11,880
6-8 a.m. 2,040 6-8 p.m. 5,836
8-10 a.m. 10,088 8-10 p.m. 3,720
10-12 a.m. 13,921 10-12 p.m. 2,105
Total number of Records Displayed 1,133,592
Peak hourly load of 25,758 records displayed occurred on 02/09/01 at 1 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 54,377 418,530 40.5% 42.6%
TEN 0 0 0.0% 0.0%
PE 5,467 46,338 4.0% 4.3%
ABI 791 1,034 0.7% 0.6%
BIOSIS 4,967 6,458 4.0% 3.9%
CC databases 11,445 129,551 9.6% 9.0%
CC 11,185 104,383 9.1% 8.8%
CCT 260 25,168 0.4% 0.2%
IAC databases 5,114 58,918 4.6% 4.0%
MAGS 4,447 53,352 4.0% 3.5%
NEWS 557 3,290 0.5% 0.4%
COMP 110 2,276 0.1% 0.1%
INS databases 4,429 39,705 5.3% 3.5%
INS 2,900 30,783 3.0% 2.3%
INS90 481 2,641 0.8% 0.4%
INS85 392 1,993 0.6% 0.3%
INS80 314 1,573 0.5% 0.2%
INS69 342 2,715 0.4% 0.3%
MED databases 21,751 215,827 18.1% 17.0%
MED 17,639 194,284 13.3% 13.8%
MED90 1,932 10,662 2.1% 1.5%
MED85 907 4,692 1.1% 0.7%
MED80 548 2,410 0.7% 0.4%
MED75 406 1,591 0.5% 0.3%
MED66 319 2,188 0.4% 0.2%
PSYC 5,385 7,331 3.2% 4.2%
OCLC 12,174 16,527 8.6% 9.5%
RLG 1,344 1,340 1.1% 1.1%
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) 21 40 61
GEOREF (Stanford) 42 163 205
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 133 116 249
Arizona State University 0 3 3
Boston University 0 0 0
California State Library 5 0 5
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 3 9 12
Cambridge University, England 0 1 1
CARL 0 1 1
CARL Uncover 4 11 15
Chicano/Latino Net Gopher 0 0 0
Claremont College 2 3 5
Cleveland Free-Net 0 1 1
Dartmouth College 0 1 1
DIALOG 1 33 34
DRA LC 0 1 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 4 3 7
Harvard 2 4 6
Library of Congress (LOCIS) 3 6 9
Los Angeles Public Library 0 0 0
National Agricultural Library 4 3 7
NLM AIDSDBS 0 0 0
NLM Databases (Medlars) 0 1 1
Northern Regional Lib Facility 95 24 119
New York Public Library 0 1 1
OCEAN Information Center 0 0 0
OCLC Catalog 0 59 59
OCLC EPIC 0 0 0
Oxford University, England 1 5 6
Princeton 0 4 4
Rensselaer Polytechnic Institute 0 0 0
RLIN 40 142 182
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 16 66 82
SUNY Buffalo (BISON) 1 4 5
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 86 177 263
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 8 1 9
UCLA ORION 1 3 4
UCSC CRUZCAT 0 1 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 2 3
UCSF Catalog 10 0 10
Univ. of Hawaii 1 1 2
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 3 3
Virginia Polytechnic Institute 0 0 0
Weather 3 3 6
WRLC 0 0 0
Yale 1 18 19
Other 0 0 0
_______ ______ _____
Total number of USE commands 488 914 1,402
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.8
Standard deviation in seconds 4.4
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 0
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 175
SAVE SET 229
RECALL SET 4
DELETE/CLEAR SET 2
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,780
1.7.2 REQUEST Commands
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Number of REQUEST Commands 251
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 3 3
Davis 0 0 0
Irvine 0 0 0
Los Angeles 1 1 2
Riverside 0 0 0
San Diego 0 0 0
San Francisco 0 0 0
Santa Barbara 2 0 2
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 6 6
_______ ______ _____
3 10 13
1.7.4 Number of UPDATE commands by Database
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CAT 3
PE 0
TEN 0
CC databases 7
CC 7
CCT 0
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 1
INS 1
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 21
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 7
Number of REDO UPDATE commands 0
Total number of UPDATEs on 02/09/01 3,808
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)