MELVYL SYSTEM TELNET STATISTICS
Time period: 05/26/01 through 06/01/01
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 741 4,002 4,743
Davis 4,400 392 4,792
Irvine 1,714 0 1,714
Los Angeles 42 2,386 2,428
Riverside 715 252 967
San Diego 688 1,331 2,019
San Francisco 1,611 0 1,611
Santa Barbara 438 511 949
Santa Cruz 426 419 845
NRLF 0 0 0
SRLF 0 0 0
LBL 0 213 213
LLL 0 219 219
Los Alamos 0 10 10
Other - UC 45 390 435
CSL 0 122 122
CSU n/a 149 149
Stanford n/a 368 368
Other - Non UC n/a 8,540 8,540
_______ ______ _____
10,820 19,304 30,124
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 11 12-2 p.m. 60
2-4 a.m. 13 2-4 p.m. 65
4-6 a.m. 11 4-6 p.m. 46
6-8 a.m. 11 6-8 p.m. 20
8-10 a.m. 39 8-10 p.m. 15
10-12 a.m. 61 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 05/29/01 at 13:36:47 total number of users: 126
For MELVYL MEDLINE on 05/31/01 at 16:08:19 total number of users: 23
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 635.40
For Non-UC users (hrs:mins) 27.33
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2,523 13,630 16,153
Davis 14,473 1,265 15,738
Irvine 5,601 0 5,601
Los Angeles 123 6,838 6,961
Riverside 2,580 656 3,236
San Diego 1,856 3,573 5,429
San Francisco 5,124 0 5,124
Santa Barbara 1,215 1,205 2,420
Santa Cruz 1,908 1,062 2,970
NRLF 0 0 0
SRLF 0 0 0
LBL 0 601 601
LLL 0 1,898 1,898
Los Alamos 0 33 33
Other - UC 63 1,065 1,128
CSL 0 207 207
CSU n/a 676 676
Stanford n/a 890 890
Other - Non UC n/a 26,785 26,785
_______ ______ _____
35,466 60,384 95,850
Average number of FIND commands per hour:
12-2 a.m. 64 12-2 p.m. 541
2-4 a.m. 41 2-4 p.m. 586
4-6 a.m. 51 4-6 p.m. 394
6-8 a.m. 152 6-8 p.m. 177
8-10 a.m. 362 8-10 p.m. 123
10-12 a.m. 591 10-12 p.m. 75
Total number of FIND commands 95,850
Peak hourly load of 1,098 FIND commands occurred on 05/29/01 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 19,448 125,066 144,514
Davis 186,722 7,373 194,095
Irvine 41,667 0 41,667
Los Angeles 1,155 76,676 77,831
Riverside 17,278 9,884 27,162
San Diego 14,203 34,461 48,664
San Francisco 52,783 0 52,783
Santa Barbara 24,468 11,378 35,846
Santa Cruz 11,026 9,970 20,996
NRLF 0 0 0
SRLF 0 0 0
LBL 0 6,612 6,612
LLL 0 33,811 33,811
Los Alamos 0 153 153
Other - UC 357 12,198 12,555
CSL 0 1,821 1,821
CSU n/a 8,658 8,658
Stanford n/a 16,732 16,732
Other - Non UC n/a 203,541 203,541
_______ ______ _____
369,107 558,334 927,441
Average number of records displayed per hour:
12-2 a.m. 1,278 12-2 p.m. 15,388
2-4 a.m. 688 2-4 p.m. 11,339
4-6 a.m. 811 4-6 p.m. 8,708
6-8 a.m. 3,163 6-8 p.m. 3,560
8-10 a.m. 6,635 8-10 p.m. 2,748
10-12 a.m. 11,157 10-12 p.m. 2,106
Total number of Records Displayed 927,441
Peak hourly load of 69,797 records displayed occurred on 05/26/01 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 39,841 316,188 39.9% 41.6%
TEN 0 0 0.0% 0.0%
PE 3,396 27,357 3.8% 3.5%
ABI 572 1,081 0.6% 0.6%
BIOSIS 3,815 4,299 3.8% 4.0%
CC databases 9,007 134,127 9.0% 9.4%
CC 8,867 127,019 8.7% 9.3%
CCT 140 7,108 0.3% 0.1%
IAC databases 3,424 37,104 3.9% 3.6%
MAGS 3,127 35,172 3.5% 3.3%
NEWS 212 1,349 0.3% 0.2%
COMP 85 583 0.1% 0.1%
INS databases 2,943 26,894 4.7% 3.1%
INS 1,910 18,140 2.8% 2.0%
INS90 353 4,749 0.7% 0.4%
INS85 267 1,685 0.5% 0.3%
INS80 199 718 0.4% 0.2%
INS69 214 1,602 0.3% 0.2%
MED databases 16,957 177,126 18.6% 17.7%
MED 13,806 159,951 13.4% 14.4%
MED90 1,447 8,715 2.3% 1.5%
MED85 747 3,119 1.3% 0.8%
MED80 432 2,329 0.8% 0.5%
MED75 255 1,571 0.5% 0.3%
MED66 270 1,441 0.4% 0.3%
PSYC 3,783 4,994 3.1% 3.9%
OCLC 10,583 13,297 10.6% 11.0%
RLG 1,121 1,201 1.1% 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) 11 8 19
GEOREF (Stanford) 10 65 75
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 82 155 237
Arizona State University 0 2 2
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 5 6 11
Cambridge University, England 0 3 3
CARL 0 0 0
CARL Uncover 2 12 14
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 1 1
Dartmouth College 1 1 2
DIALOG 0 21 21
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 1 1
Harvard 0 2 2
Library of Congress (LOCIS) 0 6 6
Los Angeles Public Library 0 3 3
National Agricultural Library 4 1 5
NLM AIDSDBS 2 2 4
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 53 36 89
New York Public Library 0 2 2
OCEAN Information Center 0 0 0
OCLC Catalog 2 47 49
OCLC EPIC 0 0 0
Oxford University, England 0 4 4
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 20 66 86
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 0 47 47
SUNY Buffalo (BISON) 0 1 1
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 37 73 110
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 1 2
UCLA ORION 0 1 1
UCSC CRUZCAT 1 4 5
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 1 1
UCSF Catalog 2 0 2
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 1 1
Univ. of Michigan 0 2 2
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 4 4
Virginia Polytechnic Institute 0 0 0
Weather 1 2 3
WRLC 0 1 1
Yale 4 2 6
Other 0 0 0
_______ ______ _____
Total number of USE commands 238 585 823
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 5.3
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.4
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 242
SAVE SET 305
RECALL SET 4
DELETE/CLEAR SET 21
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,450
1.7.2 REQUEST Commands
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Number of REQUEST Commands 132
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 13 14
Davis 0 0 0
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 0 0
San Francisco 3 0 3
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
_______ ______ _____
4 13 17
1.7.4 Number of UPDATE commands by Database
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CAT 3
PE 0
TEN 0
CC databases 12
CC 5
CCT 7
IAC databases 2
MAGS 2
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 11
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 06/01/01 3,374
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)