MELVYL SYSTEM TELNET STATISTICS
Time period: 05/01/01 through 05/31/01
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 5,530 23,777 29,307
Davis 19,236 2,122 21,358
Irvine 9,314 0 9,314
Los Angeles 241 11,765 12,006
Riverside 4,307 1,325 5,632
San Diego 3,710 5,926 9,636
San Francisco 9,050 0 9,050
Santa Barbara 2,233 2,593 4,826
Santa Cruz 2,471 2,323 4,794
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1,482 1,482
LLL 0 1,021 1,021
Los Alamos 0 39 39
Other - UC 287 2,399 2,686
CSL 0 713 713
CSU n/a 1,002 1,002
Stanford n/a 2,032 2,032
Other - Non UC n/a 43,145 43,145
_______ ______ _____
56,379 101,664 158,043
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 10 12-2 p.m. 68
2-4 a.m. 11 2-4 p.m. 76
4-6 a.m. 10 4-6 p.m. 53
6-8 a.m. 13 6-8 p.m. 22
8-10 a.m. 48 8-10 p.m. 15
10-12 a.m. 73 10-12 p.m. 13
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 3034.00
For Non-UC users (hrs:mins) 170.63
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 16,677 76,153 92,830
Davis 62,869 7,111 69,980
Irvine 31,227 0 31,227
Los Angeles 701 33,339 34,040
Riverside 15,044 3,788 18,832
San Diego 9,646 15,756 25,402
San Francisco 27,333 0 27,333
Santa Barbara 6,957 6,596 13,553
Santa Cruz 9,596 6,813 16,409
NRLF 0 0 0
SRLF 0 0 0
LBL 0 3,614 3,614
LLL 0 4,868 4,868
Los Alamos 0 104 104
Other - UC 469 6,419 6,888
CSL 0 1,305 1,305
CSU n/a 4,394 4,394
Stanford n/a 6,203 6,203
Other - Non UC n/a 134,606 134,606
_______ ______ _____
180,519 311,069 491,588
Average number of FIND commands per hour:
12-2 a.m. 74 12-2 p.m. 628
2-4 a.m. 58 2-4 p.m. 731
4-6 a.m. 58 4-6 p.m. 507
6-8 a.m. 146 6-8 p.m. 201
8-10 a.m. 427 8-10 p.m. 146
10-12 a.m. 679 10-12 p.m. 97
Total number of FIND commands 491,588
Peak hourly load of 1,195 FIND commands occurred on 05/09/01 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 144,291 713,613 857,904
Davis 868,214 44,880 913,094
Irvine 243,218 0 243,218
Los Angeles 5,895 333,983 339,878
Riverside 112,803 36,963 149,766
San Diego 63,448 578,176 641,624
San Francisco 252,541 0 252,541
Santa Barbara 72,989 64,324 137,313
Santa Cruz 62,017 63,440 125,457
NRLF 0 0 0
SRLF 0 0 0
LBL 0 43,964 43,964
LLL 0 53,091 53,091
Los Alamos 0 727 727
Other - UC 3,648 64,290 67,938
CSL 0 9,616 9,616
CSU n/a 43,606 43,606
Stanford n/a 69,728 69,728
Other - Non UC n/a 1,129,804 1,129,804
_______ ______ _____
1,829,064 3,250,205 5,079,269
Average number of records displayed per hour:
12-2 a.m. 1,231 12-2 p.m. 13,283
2-4 a.m. 1,493 2-4 p.m. 13,199
4-6 a.m. 828 4-6 p.m. 11,673
6-8 a.m. 2,563 6-8 p.m. 6,790
8-10 a.m. 9,444 8-10 p.m. 3,959
10-12 a.m. 13,005 10-12 p.m. 2,977
Total number of Records Displayed 5,079,269
Peak hourly load of 115,397 records displayed occurred on 05/16/01 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 216,625 1,746,888 41.3% 44.1%
TEN 0 0 0.0% 0.0%
PE 18,286 152,586 3.9% 3.7%
ABI 2,868 5,145 0.6% 0.6%
BIOSIS 16,303 20,131 3.3% 3.3%
CC databases 40,517 488,488 8.7% 8.2%
CC 39,646 441,863 8.3% 8.1%
CCT 871 46,625 0.4% 0.2%
IAC databases 18,990 197,590 4.3% 3.9%
MAGS 16,815 180,498 3.7% 3.4%
NEWS 1,704 12,729 0.4% 0.3%
COMP 471 4,363 0.1% 0.1%
INS databases 16,321 547,932 4.6% 3.3%
INS 11,100 515,270 2.8% 2.3%
INS90 1,923 11,861 0.6% 0.4%
INS85 1,233 8,188 0.4% 0.3%
INS80 1,016 4,567 0.4% 0.2%
INS69 1,049 8,046 0.3% 0.2%
MED databases 82,802 996,891 18.1% 16.8%
MED 66,048 765,942 12.9% 13.4%
MED90 7,655 72,079 2.2% 1.6%
MED85 3,757 48,887 1.2% 0.8%
MED80 2,543 36,589 0.8% 0.5%
MED75 1,407 29,018 0.5% 0.3%
MED66 1,392 44,376 0.4% 0.3%
PSYC 19,630 27,147 3.1% 4.0%
OCLC 51,603 66,420 10.3% 10.5%
RLG 6,034 6,488 1.3% 1.2%
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) 76 95 171
GEOREF (Stanford) 88 357 445
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 514 683 1,197
Arizona State University 1 3 4
Boston University 0 1 1
California State Library 0 4 4
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 1 1
Cal State Univ., Hayward 25 33 58
Cambridge University, England 0 7 7
CARL 0 9 9
CARL Uncover 15 42 57
Chicano/Latino Net Gopher 0 0 0
Claremont College 1 0 1
Cleveland Free-Net 1 1 2
Dartmouth College 1 2 3
DIALOG 10 149 159
DRA LC 0 0 0
Earthquake Engineering Abstracts 1 0 1
FS INFO 0 9 9
Harvard 3 14 17
Library of Congress (LOCIS) 10 35 45
Los Angeles Public Library 0 2 2
National Agricultural Library 11 6 17
NLM AIDSDBS 7 6 13
NLM Databases (Medlars) 2 9 11
Northern Regional Lib Facility 338 156 494
New York Public Library 0 1 1
OCEAN Information Center 0 0 0
OCLC Catalog 10 357 367
OCLC EPIC 0 0 0
Oxford University, England 2 4 6
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 193 331 524
San Francisco State University 0 3 3
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 9 211 220
SUNY Buffalo (BISON) 1 8 9
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 248 449 697
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 6 5 11
UCLA ORION 0 1 1
UCSC CRUZCAT 5 9 14
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 10 11
UCSF Catalog 25 4 29
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 1 8 9
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 6 6
Virginia Polytechnic Institute 0 0 0
Weather 3 7 10
WRLC 0 1 1
Yale 25 11 36
Other 4 5 9
_______ ______ _____
Total number of USE commands 1,637 3,055 4,692
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 3.2
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.1
Standard deviation in seconds 0.7
1.5 Online Publications
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Current Cites 0
DLA Bulletin 1
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 869
SAVE SET 1,134
RECALL SET 28
DELETE/CLEAR SET 32
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 7,345
1.7.2 REQUEST Commands
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Number of REQUEST Commands 566
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 17 18
Davis 1 0 1
Irvine 0 0 0
Los Angeles 0 2 2
Riverside 0 0 0
San Diego 0 0 0
San Francisco 4 0 4
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 1 1
Other - Non UC n/a 5 5
_______ ______ _____
6 25 31
1.7.4 Number of UPDATE commands by Database
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CAT 7
PE 0
TEN 0
CC databases 16
CC 9
CCT 7
IAC databases 3
MAGS 2
NEWS 0
COMP 1
MED 5
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 54
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 05/31/01 3,373
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)