MELVYL SYSTEM TELNET STATISTICS
Time period: 12/01/99 through 12/31/99
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 8,440 26,637 35,077
Davis 22,550 3,629 26,179
Irvine 12,874 0 12,874
Los Angeles 7,324 18,133 25,457
Riverside 4,346 2,044 6,390
San Diego 4,623 8,422 13,045
San Francisco 13,392 65 13,457
Santa Barbara 4,986 5,114 10,100
Santa Cruz 3,950 4,099 8,049
NRLF 0 0 0
SRLF 18 0 18
LBL 0 1,774 1,774
LLL 0 2,067 2,067
Los Alamos 0 43 43
Other - UC 652 2,761 3,413
CSL 0 901 901
CSU n/a 1,177 1,177
Stanford n/a 3,250 3,250
Other - Non UC n/a 40,850 40,850
_______ ______ _____
83,155 120,966 204,121
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 13 12-2 p.m. 87
2-4 a.m. 10 2-4 p.m. 103
4-6 a.m. 8 4-6 p.m. 66
6-8 a.m. 11 6-8 p.m. 28
8-10 a.m. 49 8-10 p.m. 20
10-12 a.m. 89 10-12 p.m. 17
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 4338.30
For Non-UC users (hrs:mins) 293.30
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 25,381 78,372 103,753
Davis 72,039 12,960 84,999
Irvine 42,412 0 42,412
Los Angeles 29,228 54,574 83,802
Riverside 17,468 5,972 23,440
San Diego 13,632 22,257 35,889
San Francisco 39,839 241 40,080
Santa Barbara 18,147 14,869 33,016
Santa Cruz 14,002 14,577 28,579
NRLF 0 0 0
SRLF 64 0 64
LBL 0 4,110 4,110
LLL 0 7,708 7,708
Los Alamos 0 528 528
Other - UC 701 10,730 11,431
CSL 0 3,044 3,044
CSU n/a 3,825 3,825
Stanford n/a 10,198 10,198
Other - Non UC n/a 144,031 144,031
_______ ______ _____
272,913 387,996 660,909
Average number of FIND commands per hour:
12-2 a.m. 135 12-2 p.m. 971
2-4 a.m. 85 2-4 p.m. 1,105
4-6 a.m. 67 4-6 p.m. 680
6-8 a.m. 133 6-8 p.m. 281
8-10 a.m. 522 8-10 p.m. 207
10-12 a.m. 957 10-12 p.m. 169
Total number of FIND commands 660,909
Peak hourly load of 2,648 FIND commands occurred on 12/06/99 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 244,270 759,719 1,003,989
Davis 603,847 75,212 679,059
Irvine 402,096 0 402,096
Los Angeles 250,249 586,641 836,890
Riverside 151,250 74,826 226,076
San Diego 103,056 228,837 331,893
San Francisco 371,145 2,289 373,434
Santa Barbara 160,618 152,658 313,276
Santa Cruz 99,416 110,218 209,634
NRLF 0 0 0
SRLF 446 0 446
LBL 0 51,165 51,165
LLL 0 79,871 79,871
Los Alamos 0 1,566 1,566
Other - UC 7,351 88,277 95,628
CSL 0 14,801 14,801
CSU n/a 39,672 39,672
Stanford n/a 93,458 93,458
Other - Non UC n/a 1,158,414 1,158,414
_______ ______ _____
2,393,744 3,517,624 5,911,368
Average number of records displayed per hour:
12-2 a.m. 2,023 12-2 p.m. 17,807
2-4 a.m. 1,864 2-4 p.m. 21,057
4-6 a.m. 943 4-6 p.m. 13,640
6-8 a.m. 2,159 6-8 p.m. 6,413
8-10 a.m. 9,729 8-10 p.m. 4,619
10-12 a.m. 17,644 10-12 p.m. 3,272
Total number of Records Displayed 5,911,368
Peak hourly load of 48,585 records displayed occurred on 12/03/99 at 11 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 284,289 2,177,318 40.6% 43.0%
TEN 0 0 0.0% 0.0%
PE 19,239 173,084 3.1% 2.9%
ABI 4,839 8,504 0.7% 0.7%
BIOSIS 24,425 32,225 3.7% 3.7%
CC databases 59,823 615,097 9.6% 9.1%
CC 58,653 566,908 9.1% 8.9%
CCT 1,170 48,189 0.4% 0.2%
IAC databases 37,979 468,200 6.0% 5.7%
MAGS 33,985 424,798 5.2% 5.1%
NEWS 2,668 18,943 0.6% 0.4%
COMP 1,326 24,459 0.2% 0.2%
INS databases 23,018 179,452 4.7% 3.5%
INS 16,363 138,607 3.0% 2.5%
INS90 2,542 16,901 0.6% 0.4%
INS85 1,625 8,376 0.4% 0.2%
INS80 1,147 4,967 0.3% 0.2%
INS69 1,341 10,601 0.3% 0.2%
MED databases 123,918 1,231,936 20.9% 18.7%
MED 97,568 1,073,358 14.8% 14.8%
MED90 13,150 86,837 2.8% 2.0%
MED85 5,979 31,199 1.4% 0.9%
MED80 3,611 18,721 0.9% 0.5%
MED75 2,098 12,525 0.5% 0.3%
MED66 1,512 9,296 0.3% 0.2%
PSYC 29,523 49,312 3.5% 4.5%
OCLC 44,827 49,822 5.9% 6.8%
RLG 6,748 9,161 0.8% 1.0%
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) 233 168 401
GEOREF (Stanford) 219 748 967
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 273 407 680
Arizona State University 0 10 10
Boston University 0 2 2
California State Library 3 18 21
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 4 4
Cal State Univ., Hayward 16 64 80
Cambridge University, England 1 7 8
CARL 3 8 11
CARL Uncover 20 83 103
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 3 3
Cleveland Free-Net 1 1 2
Dartmouth College 0 6 6
DIALOG 17 114 131
DRA LC 16 5 21
Earthquake Engineering Abstracts 0 0 0
FS INFO 6 20 26
Harvard 17 45 62
Library of Congress (LOCIS) 31 154 185
Los Angeles Public Library 33 39 72
National Agricultural Library 23 16 39
NLM AIDSDBS 6 10 16
NLM Databases (Medlars) 40 68 108
Northern Regional Lib Facility 368 131 499
New York Public Library 1 49 50
OCEAN Information Center 0 0 0
OCLC Catalog 19 292 311
OCLC EPIC 0 0 0
Oxford University, England 2 62 64
Princeton 1 6 7
Rensselaer Polytechnic Institute 0 3 3
RLIN 248 338 586
San Francisco State University 4 3 7
San Jose State University 2 15 17
Santa Clara University (OSCAR) 0 2 2
Stanford University 44 487 531
SUNY Buffalo (BISON) 8 9 17
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 374 758 1,132
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 53 37 90
UCLA ORION 31 32 63
UCSC CRUZCAT 43 55 98
UCSC INFOSLUG 0 0 0
UCSD ROGER 69 90 159
UCSF Catalog 218 13 231
Univ. of Hawaii 2 11 13
Univ. of Tennessee 0 2 2
Univ. of Michigan 6 21 27
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 4 15 19
Virginia Polytechnic Institute 0 2 2
Weather 15 22 37
WRLC 0 1 1
Yale 45 16 61
Other 19 13 32
_______ ______ _____
Total number of USE commands 2,534 4,485 7,002
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.9
Standard deviation in seconds 4.3
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.6
1.5 Online Publications
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Current Cites 3
DLA Bulletin 5
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 1,144
SAVE SET 1,328
RECALL SET 24
DELETE/CLEAR SET 18
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 12,078
1.7.2 REQUEST Commands
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Number of REQUEST Commands 1,513
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3 10 13
Davis 10 0 10
Irvine 1 0 1
Los Angeles 0 10 10
Riverside 2 0 2
San Diego 1 14 15
San Francisco 13 0 13
Santa Barbara 1 0 1
Santa Cruz 0 0 0
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 3 3
Los Alamos 0 0 0
Other - UC 1 12 13
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 1 1
Other - Non UC n/a 6 6
_______ ______ _____
32 56 88
1.7.4 Number of UPDATE commands by Database
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CAT 9
PE 0
TEN 0
CC databases 38
CC 21
CCT 17
IAC databases 1
MAGS 1
NEWS 0
COMP 0
MED 31
INS 0
PSYC 0
ABI 0
BIOSIS 9
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 178
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 6
Number of REDO UPDATE commands 0
Total number of UPDATEs on 12/31/99 5,879
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)