MELVYL SYSTEM TELNET STATISTICS
Time period: 12/01/01 through 12/31/01
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 3,131 13,535 16,666
Davis 9,376 1,117 10,493
Irvine 3,185 0 3,185
Los Angeles 73 5,454 5,527
Riverside 1,457 899 2,356
San Diego 2,222 3,017 5,239
San Francisco 4,227 0 4,227
Santa Barbara 849 1,190 2,039
Santa Cruz 557 1,093 1,650
NRLF 0 0 0
SRLF 0 0 0
LBL 0 826 826
LLL 0 457 457
Los Alamos 0 32 32
Other - UC 184 1,421 1,605
CSL 0 486 486
CSU n/a 487 487
Stanford n/a 398 398
Other - Non UC n/a 24,166 24,166
_______ ______ _____
25,261 54,578 79,839
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 15 12-2 p.m. 41
2-4 a.m. 17 2-4 p.m. 47
4-6 a.m. 13 4-6 p.m. 32
6-8 a.m. 9 6-8 p.m. 16
8-10 a.m. 30 8-10 p.m. 14
10-12 a.m. 45 10-12 p.m. 15
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 1312.93
For Non-UC users (hrs:mins) 43.97
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 8,646 42,497 51,143
Davis 32,552 4,085 36,637
Irvine 13,368 0 13,368
Los Angeles 218 14,906 15,124
Riverside 5,273 2,606 7,879
San Diego 6,469 7,979 14,448
San Francisco 12,367 0 12,367
Santa Barbara 2,996 3,025 6,021
Santa Cruz 2,921 2,860 5,781
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1,523 1,523
LLL 0 1,206 1,206
Los Alamos 0 83 83
Other - UC 171 4,164 4,335
CSL 0 567 567
CSU n/a 1,669 1,669
Stanford n/a 1,208 1,208
Other - Non UC n/a 75,044 75,044
_______ ______ _____
84,981 163,422 248,403
Average number of FIND commands per hour:
12-2 a.m. 40 12-2 p.m. 352
2-4 a.m. 35 2-4 p.m. 400
4-6 a.m. 30 4-6 p.m. 240
6-8 a.m. 51 6-8 p.m. 89
8-10 a.m. 244 8-10 p.m. 67
10-12 a.m. 389 10-12 p.m. 49
Total number of FIND commands 248,403
Peak hourly load of 953 FIND commands occurred on 12/04/01 at 10 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 79,367 352,696 432,063
Davis 284,354 24,858 309,212
Irvine 119,820 0 119,820
Los Angeles 2,390 135,764 138,154
Riverside 42,561 23,425 65,986
San Diego 34,829 623,380 658,209
San Francisco 116,615 0 116,615
Santa Barbara 29,272 32,376 61,648
Santa Cruz 15,992 28,585 44,577
NRLF 0 0 0
SRLF 0 0 0
LBL 0 17,820 17,820
LLL 0 11,314 11,314
Los Alamos 0 846 846
Other - UC 1,371 36,227 37,598
CSL 0 5,414 5,414
CSU n/a 17,175 17,175
Stanford n/a 12,108 12,108
Other - Non UC n/a 571,024 571,024
_______ ______ _____
726,571 1,893,012 2,619,583
Average number of records displayed per hour:
12-2 a.m. 621 12-2 p.m. 9,688
2-4 a.m. 977 2-4 p.m. 8,050
4-6 a.m. 395 4-6 p.m. 5,084
6-8 a.m. 772 6-8 p.m. 2,146
8-10 a.m. 3,729 8-10 p.m. 1,382
10-12 a.m. 8,987 10-12 p.m. 990
Total number of Records Displayed 2,619,583
Peak hourly load of 98,857 records displayed occurred on 12/28/01 at Noon
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 124,501 931,849 45.3% 50.1%
TEN 0 0 0.0% 0.0%
PE 11,424 97,368 5.0% 4.6%
ABI 1,853 2,969 0.8% 0.7%
BIOSIS 8,535 10,380 3.9% 3.4%
CC databases 20,980 210,650 10.1% 8.4%
CC 20,643 197,481 9.8% 8.3%
CCT 337 13,169 0.3% 0.1%
IAC databases 7,871 615,210 3.5% 3.2%
MAGS 7,193 568,968 3.0% 2.9%
NEWS 426 4,455 0.3% 0.2%
COMP 252 41,787 0.1% 0.1%
INS databases 8,023 59,443 4.8% 3.2%
INS 5,545 46,429 3.0% 2.2%
INS90 921 5,203 0.7% 0.4%
INS85 481 2,369 0.4% 0.2%
INS80 489 1,463 0.4% 0.2%
INS69 587 3,979 0.3% 0.2%
MED databases 37,675 383,542 16.9% 15.2%
MED 29,064 299,730 12.2% 11.7%
MED90 3,509 26,641 2.0% 1.4%
MED85 1,966 18,580 1.1% 0.8%
MED80 1,348 21,377 0.8% 0.5%
MED75 945 8,532 0.5% 0.4%
MED66 843 8,682 0.4% 0.3%
PSYC 10,309 12,464 3.1% 4.1%
OCLC 11,544 15,875 3.7% 4.6%
RLG 4,840 6,255 2.4% 1.9%
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) 0 0 0
GEOREF (Stanford) 0 0 0
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 398 434 832
Arizona State University 0 4 4
Boston University 0 0 0
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 29 59 88
Cambridge University, England 2 4 6
CARL 0 2 2
CARL Uncover 5 17 22
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 3 3
DIALOG 4 97 101
DRA LC 1 0 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 7 15 22
Harvard 3 14 17
Library of Congress (LOCIS) 10 17 27
Los Angeles Public Library 0 2 2
National Agricultural Library 2 3 5
NLM AIDSDBS 3 3 6
NLM Databases (Medlars) 2 6 8
Northern Regional Lib Facility 172 90 262
New York Public Library 1 3 4
OCEAN Information Center 0 0 0
OCLC Catalog 3 345 348
OCLC EPIC 0 0 0
Oxford University, England 1 3 4
Princeton 1 0 1
Rensselaer Polytechnic Institute 0 0 0
RLIN 99 234 333
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 9 32 41
SUNY Buffalo (BISON) 1 6 7
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 114 319 433
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 7 5 12
UCLA ORION 2 7 9
UCSC CRUZCAT 3 2 5
UCSC INFOSLUG 0 0 0
UCSD ROGER 4 3 7
UCSF Catalog 3 1 4
Univ. of Hawaii 0 1 1
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 2 2
Virginia Polytechnic Institute 0 0 0
Weather 1 14 15
WRLC 0 0 0
Yale 17 6 23
Other 2 1 3
_______ ______ _____
Total number of USE commands 906 1,759 2,665
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.6
Standard deviation in seconds 3.8
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.7
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 324
SAVE SET 434
RECALL SET 18
DELETE/CLEAR SET 3
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 3,418
1.7.2 REQUEST Commands
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Number of REQUEST Commands 300
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 2 4 6
Davis 6 0 6
Irvine 0 0 0
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 1 0 1
San Francisco 5 0 5
Santa Barbara 3 0 3
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 2 2
_______ ______ _____
17 6 23
1.7.4 Number of UPDATE commands by Database
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CAT 6
PE 0
TEN 0
CC databases 6
CC 6
CCT 0
IAC databases 7
MAGS 0
NEWS 6
COMP 1
MED 1
INS 1
PSYC 0
ABI 0
BIOSIS 1
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 37
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 3
Number of REDO UPDATE commands 0
Total number of UPDATEs on 12/31/01 1,855
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)