MELVYL SYSTEM TELNET STATISTICS
Time period: 01/13/01 through 01/19/01
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 1,169 5,719 6,888
Davis 4,305 467 4,772
Irvine 1,858 0 1,858
Los Angeles 388 2,563 2,951
Riverside 883 419 1,302
San Diego 932 1,465 2,397
San Francisco 2,272 0 2,272
Santa Barbara 669 720 1,389
Santa Cruz 515 523 1,038
NRLF 0 0 0
SRLF 3 0 3
LBL 0 339 339
LLL 0 156 156
Los Alamos 0 4 4
Other - UC 61 514 575
CSL 0 121 121
CSU n/a 213 213
Stanford n/a 647 647
Other - Non UC n/a 9,082 9,082
_______ ______ _____
13,055 22,952 36,007
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. 69
2-4 a.m. 10 2-4 p.m. 79
4-6 a.m. 8 4-6 p.m. 56
6-8 a.m. 11 6-8 p.m. 22
8-10 a.m. 46 8-10 p.m. 15
10-12 a.m. 74 10-12 p.m. 12
Maximum of active users in a 2 minute interval:
For MELVYL system on 01/18/01 at 11:02:47 total number of users: 145
For MELVYL MEDLINE on 01/16/01 at 15:53:53 total number of users: 28
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 742.63
For Non-UC users (hrs:mins) 42.10
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,331 16,449 19,780
Davis 13,371 1,744 15,115
Irvine 5,660 0 5,660
Los Angeles 1,031 6,875 7,906
Riverside 3,013 1,368 4,381
San Diego 2,760 3,814 6,574
San Francisco 6,634 0 6,634
Santa Barbara 2,076 1,788 3,864
Santa Cruz 1,470 2,108 3,578
NRLF 0 0 0
SRLF 3 0 3
LBL 0 781 781
LLL 0 883 883
Los Alamos 0 4 4
Other - UC 92 2,864 2,956
CSL 0 197 197
CSU n/a 1,079 1,079
Stanford n/a 2,056 2,056
Other - Non UC n/a 28,374 28,374
_______ ______ _____
39,441 70,384 109,825
Average number of FIND commands per hour:
12-2 a.m. 54 12-2 p.m. 623
2-4 a.m. 52 2-4 p.m. 775
4-6 a.m. 50 4-6 p.m. 532
6-8 a.m. 104 6-8 p.m. 236
8-10 a.m. 414 8-10 p.m. 116
10-12 a.m. 727 10-12 p.m. 124
Total number of FIND commands 109,825
Peak hourly load of 1,310 FIND commands occurred on 01/16/01 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 30,293 173,467 203,760
Davis 137,511 9,754 147,265
Irvine 47,118 0 47,118
Los Angeles 9,745 67,799 77,544
Riverside 22,850 12,692 35,542
San Diego 14,252 37,056 51,308
San Francisco 70,530 0 70,530
Santa Barbara 17,312 20,894 38,206
Santa Cruz 10,662 16,240 26,902
NRLF 0 0 0
SRLF 15 0 15
LBL 0 7,463 7,463
LLL 0 10,963 10,963
Los Alamos 0 23 23
Other - UC 912 19,931 20,843
CSL 0 1,387 1,387
CSU n/a 9,262 9,262
Stanford n/a 20,699 20,699
Other - Non UC n/a 231,291 231,291
_______ ______ _____
361,200 638,921 1,000,121
Average number of records displayed per hour:
12-2 a.m. 810 12-2 p.m. 11,528
2-4 a.m. 808 2-4 p.m. 16,963
4-6 a.m. 774 4-6 p.m. 11,834
6-8 a.m. 1,638 6-8 p.m. 4,107
8-10 a.m. 7,691 8-10 p.m. 2,689
10-12 a.m. 12,584 10-12 p.m. 1,882
Total number of Records Displayed 1,000,121
Peak hourly load of 53,023 records displayed occurred on 01/16/01 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 48,145 358,309 40.3% 43.8%
TEN 0 0 0.0% 0.0%
PE 4,199 41,272 3.7% 3.8%
ABI 716 1,347 0.6% 0.7%
BIOSIS 3,467 4,229 3.4% 3.2%
CC databases 9,529 130,801 9.5% 8.7%
CC 9,296 121,011 9.0% 8.5%
CCT 233 9,790 0.5% 0.2%
IAC databases 4,415 49,101 4.5% 4.0%
MAGS 3,865 44,263 3.8% 3.5%
NEWS 292 1,930 0.4% 0.3%
COMP 258 2,908 0.2% 0.2%
INS databases 4,401 31,196 5.7% 4.0%
INS 2,805 22,061 3.2% 2.6%
INS90 572 3,461 0.9% 0.5%
INS85 362 2,013 0.6% 0.3%
INS80 323 1,438 0.5% 0.3%
INS69 339 2,223 0.4% 0.3%
MED databases 20,210 224,346 19.7% 18.4%
MED 16,081 198,308 14.2% 14.6%
MED90 2,100 14,035 2.5% 1.9%
MED85 869 6,239 1.3% 0.8%
MED80 535 2,854 0.8% 0.5%
MED75 313 1,369 0.5% 0.3%
MED66 312 1,541 0.4% 0.3%
PSYC 3,991 5,291 3.2% 3.6%
OCLC 9,423 14,056 7.9% 8.6%
RLG 927 1,026 1.0% 0.8%
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) 14 18 32
GEOREF (Stanford) 12 94 106
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 86 114 200
Arizona State University 0 5 5
Boston University 0 2 2
California State Library 2 4 6
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 1 1 2
Cal State Univ., Hayward 4 10 14
Cambridge University, England 0 1 1
CARL 0 5 5
CARL Uncover 3 11 14
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 1 1
DIALOG 2 25 27
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 2 1 3
Harvard 1 10 11
Library of Congress (LOCIS) 10 8 18
Los Angeles Public Library 0 2 2
National Agricultural Library 1 2 3
NLM AIDSDBS 3 2 5
NLM Databases (Medlars) 2 0 2
Northern Regional Lib Facility 81 20 101
New York Public Library 0 1 1
OCEAN Information Center 0 0 0
OCLC Catalog 2 78 80
OCLC EPIC 0 0 0
Oxford University, England 0 6 6
Princeton 0 1 1
Rensselaer Polytechnic Institute 0 0 0
RLIN 38 57 95
San Francisco State University 0 0 0
San Jose State University 1 0 1
Santa Clara University (OSCAR) 0 0 0
Stanford University 8 47 55
SUNY Buffalo (BISON) 0 4 4
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 80 161 241
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 4 0 4
UCLA ORION 0 0 0
UCSC CRUZCAT 1 0 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 0 0
UCSF Catalog 10 2 12
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 1 1 2
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 0 0
Virginia Polytechnic Institute 0 0 0
Weather 0 0 0
WRLC 0 0 0
Yale 1 9 10
Other 2 0 2
_______ ______ _____
Total number of USE commands 372 703 1,074
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 2.9
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.8
1.5 Online Publications
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Current Cites 4
DLA Bulletin 1
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 270
SAVE SET 360
RECALL SET 2
DELETE/CLEAR SET 8
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,937
1.7.2 REQUEST Commands
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Number of REQUEST Commands 216
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 2 0 2
Los Angeles 3 1 4
Riverside 0 0 0
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 2 2
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 1 1
Other - Non UC n/a 8 8
_______ ______ _____
5 12 17
1.7.4 Number of UPDATE commands by Database
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CAT 2
PE 0
TEN 0
CC databases 11
CC 8
CCT 3
IAC databases 2
MAGS 2
NEWS 0
COMP 0
MED 2
INS 0
PSYC 0
ABI 0
BIOSIS 0
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 26
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 6
Number of REDO UPDATE commands 0
Total number of UPDATEs on 01/19/01 3,836
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)