MELVYL SYSTEM TELNET STATISTICS
Time period: 01/06/01 through 01/12/01
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 1,187 5,331 6,518
Davis 4,484 849 5,333
Irvine 2,194 0 2,194
Los Angeles 441 2,463 2,904
Riverside 988 442 1,430
San Diego 963 1,517 2,480
San Francisco 2,542 0 2,542
Santa Barbara 644 885 1,529
Santa Cruz 534 609 1,143
NRLF 0 0 0
SRLF 0 0 0
LBL 0 338 338
LLL 0 189 189
Los Alamos 0 13 13
Other - UC 86 432 518
CSL 0 156 156
CSU n/a 275 275
Stanford n/a 475 475
Other - Non UC n/a 9,160 9,160
_______ ______ _____
14,063 23,134 37,197
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. 75
2-4 a.m. 11 2-4 p.m. 88
4-6 a.m. 10 4-6 p.m. 59
6-8 a.m. 12 6-8 p.m. 23
8-10 a.m. 48 8-10 p.m. 15
10-12 a.m. 76 10-12 p.m. 12
Maximum of active users in a 2 minute interval:
For MELVYL system on 01/10/01 at 14:15:24 total number of users: 149
For MELVYL MEDLINE on 01/09/01 at 14:47:05 total number of users: 35
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 828.47
For Non-UC users (hrs:mins) 35.87
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,090 15,568 18,658
Davis 15,834 2,646 18,480
Irvine 6,933 0 6,933
Los Angeles 1,360 7,137 8,497
Riverside 3,153 1,408 4,561
San Diego 3,168 3,868 7,036
San Francisco 7,426 0 7,426
Santa Barbara 2,140 2,606 4,746
Santa Cruz 2,746 1,715 4,461
NRLF 0 0 0
SRLF 0 0 0
LBL 0 762 762
LLL 0 1,448 1,448
Los Alamos 0 42 42
Other - UC 87 1,324 1,411
CSL 0 230 230
CSU n/a 1,263 1,263
Stanford n/a 1,671 1,671
Other - Non UC n/a 30,117 30,117
_______ ______ _____
45,937 71,805 117,742
Average number of FIND commands per hour:
12-2 a.m. 76 12-2 p.m. 728
2-4 a.m. 54 2-4 p.m. 822
4-6 a.m. 58 4-6 p.m. 588
6-8 a.m. 127 6-8 p.m. 187
8-10 a.m. 462 8-10 p.m. 110
10-12 a.m. 748 10-12 p.m. 102
Total number of FIND commands 117,742
Peak hourly load of 1,214 FIND commands occurred on 01/10/01 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 31,382 153,866 185,248
Davis 126,689 16,513 143,202
Irvine 71,561 0 71,561
Los Angeles 15,239 73,426 88,665
Riverside 21,102 12,054 33,156
San Diego 16,720 42,878 59,598
San Francisco 73,508 0 73,508
Santa Barbara 18,128 29,369 47,497
Santa Cruz 15,860 14,864 30,724
NRLF 0 0 0
SRLF 0 0 0
LBL 0 6,685 6,685
LLL 0 16,554 16,554
Los Alamos 0 374 374
Other - UC 1,339 15,331 16,670
CSL 0 1,534 1,534
CSU n/a 16,040 16,040
Stanford n/a 17,145 17,145
Other - Non UC n/a 265,730 265,730
_______ ______ _____
391,528 682,363 1,073,891
Average number of records displayed per hour:
12-2 a.m. 1,167 12-2 p.m. 13,657
2-4 a.m. 687 2-4 p.m. 15,832
4-6 a.m. 811 4-6 p.m. 11,191
6-8 a.m. 2,191 6-8 p.m. 4,641
8-10 a.m. 9,143 8-10 p.m. 3,052
10-12 a.m. 13,610 10-12 p.m. 2,139
Total number of Records Displayed 1,073,891
Peak hourly load of 27,266 records displayed occurred on 01/09/01 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 53,096 419,488 41.3% 45.1%
TEN 0 0 0.0% 0.0%
PE 4,665 43,622 3.9% 4.0%
ABI 727 1,423 0.7% 0.6%
BIOSIS 3,426 4,502 3.3% 2.9%
CC databases 10,335 104,878 9.2% 8.8%
CC 10,169 99,265 8.8% 8.6%
CCT 166 5,613 0.4% 0.1%
IAC databases 4,001 60,483 4.0% 3.4%
MAGS 3,510 55,251 3.4% 3.0%
NEWS 313 2,602 0.3% 0.3%
COMP 178 2,630 0.2% 0.2%
INS databases 3,983 30,742 4.7% 3.4%
INS 2,776 24,816 3.1% 2.4%
INS90 460 2,085 0.6% 0.4%
INS85 227 1,178 0.4% 0.2%
INS80 243 1,005 0.4% 0.2%
INS69 277 1,658 0.3% 0.2%
MED databases 21,577 225,235 20.7% 18.3%
MED 17,463 196,875 15.2% 14.8%
MED90 1,908 13,908 2.4% 1.6%
MED85 882 6,573 1.3% 0.7%
MED80 556 3,261 0.9% 0.5%
MED75 436 2,339 0.6% 0.4%
MED66 332 2,279 0.4% 0.3%
PSYC 4,315 6,207 2.9% 3.7%
OCLC 10,385 14,689 8.0% 8.8%
RLG 884 1,098 0.8% 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) 12 47 59
GEOREF (Stanford) 28 103 131
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 110 141 251
Arizona State University 0 5 5
Boston University 0 0 0
California State Library 0 2 2
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 5 9 14
Cambridge University, England 2 1 3
CARL 0 5 5
CARL Uncover 1 15 16
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 1 1
DIALOG 1 26 27
DRA LC 1 0 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 2 2
Harvard 3 9 12
Library of Congress (LOCIS) 3 1 4
Los Angeles Public Library 0 0 0
National Agricultural Library 4 1 5
NLM AIDSDBS 3 2 5
NLM Databases (Medlars) 2 1 3
Northern Regional Lib Facility 124 26 150
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 88 88
OCLC EPIC 0 0 0
Oxford University, England 1 6 7
Princeton 1 2 3
Rensselaer Polytechnic Institute 0 0 0
RLIN 66 47 113
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 2 55 57
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 81 121 202
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 6 1 7
UCLA ORION 1 3 4
UCSC CRUZCAT 1 1 2
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 2 2
UCSF Catalog 11 0 11
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 1 4 5
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 1 5 6
Virginia Polytechnic Institute 0 0 0
Weather 5 2 7
WRLC 0 0 0
Yale 0 13 13
Other 0 1 1
_______ ______ _____
Total number of USE commands 476 752 1,228
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 3.5
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 2
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 178
SAVE SET 251
RECALL SET 8
DELETE/CLEAR SET 7
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,896
1.7.2 REQUEST Commands
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Number of REQUEST Commands 214
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 4 0 4
Davis 10 0 10
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 5 5
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 1 1
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
_______ ______ _____
14 6 20
1.7.4 Number of UPDATE commands by Database
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CAT 1
PE 0
TEN 0
CC databases 10
CC 6
CCT 4
IAC databases 1
MAGS 0
NEWS 0
COMP 1
MED 3
INS 0
PSYC 0
ABI 0
BIOSIS 5
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 20
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 5
Number of REDO UPDATE commands 0
Total number of UPDATEs on 01/12/01 3,872
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)