MELVYL SYSTEM TELNET STATISTICS
Time period: 03/31/01 through 04/06/01
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 1,885 5,873 7,758
Davis 4,049 442 4,491
Irvine 1,736 0 1,736
Los Angeles 33 2,475 2,508
Riverside 946 369 1,315
San Diego 922 1,451 2,373
San Francisco 2,163 0 2,163
Santa Barbara 442 679 1,121
Santa Cruz 498 575 1,073
NRLF 0 0 0
SRLF 0 0 0
LBL 0 436 436
LLL 0 279 279
Los Alamos 0 4 4
Other - UC 138 618 756
CSL 0 130 130
CSU n/a 340 340
Stanford n/a 397 397
Other - Non UC n/a 9,351 9,351
_______ ______ _____
12,812 23,419 36,231
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 9 12-2 p.m. 70
2-4 a.m. 9 2-4 p.m. 81
4-6 a.m. 8 4-6 p.m. 60
6-8 a.m. 9 6-8 p.m. 26
8-10 a.m. 46 8-10 p.m. 16
10-12 a.m. 72 10-12 p.m. 13
Maximum of active users in a 2 minute interval:
For MELVYL system on 04/03/01 at 15:13:09 total number of users: 133
For MELVYL MEDLINE on 04/03/01 at 12:46:50 total number of users: 27
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 756.70
For Non-UC users (hrs:mins) 39.03
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 5,260 16,486 21,746
Davis 13,619 1,395 15,014
Irvine 5,513 0 5,513
Los Angeles 109 6,580 6,689
Riverside 3,249 927 4,176
San Diego 2,239 4,111 6,350
San Francisco 6,700 0 6,700
Santa Barbara 1,197 1,809 3,006
Santa Cruz 1,982 1,608 3,590
NRLF 0 0 0
SRLF 0 0 0
LBL 0 962 962
LLL 0 1,444 1,444
Los Alamos 0 6 6
Other - UC 170 1,736 1,906
CSL 0 312 312
CSU n/a 1,709 1,709
Stanford n/a 1,114 1,114
Other - Non UC n/a 32,585 32,585
_______ ______ _____
40,038 72,784 112,822
Average number of FIND commands per hour:
12-2 a.m. 71 12-2 p.m. 671
2-4 a.m. 55 2-4 p.m. 785
4-6 a.m. 84 4-6 p.m. 547
6-8 a.m. 91 6-8 p.m. 220
8-10 a.m. 438 8-10 p.m. 134
10-12 a.m. 633 10-12 p.m. 107
Total number of FIND commands 112,822
Peak hourly load of 1,217 FIND commands occurred on 04/03/01 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 49,807 172,116 221,923
Davis 107,173 7,407 114,580
Irvine 42,065 0 42,065
Los Angeles 2,285 65,547 67,832
Riverside 24,408 9,884 34,292
San Diego 17,363 42,324 59,687
San Francisco 75,846 0 75,846
Santa Barbara 9,053 19,043 28,096
Santa Cruz 18,085 13,617 31,702
NRLF 0 0 0
SRLF 0 0 0
LBL 0 10,684 10,684
LLL 0 13,521 13,521
Los Alamos 0 24 24
Other - UC 2,195 21,244 23,439
CSL 0 1,840 1,840
CSU n/a 16,788 16,788
Stanford n/a 10,321 10,321
Other - Non UC n/a 277,594 277,594
_______ ______ _____
348,280 681,954 1,030,234
Average number of records displayed per hour:
12-2 a.m. 1,305 12-2 p.m. 12,969
2-4 a.m. 697 2-4 p.m. 14,561
4-6 a.m. 969 4-6 p.m. 10,998
6-8 a.m. 1,834 6-8 p.m. 5,584
8-10 a.m. 8,189 8-10 p.m. 3,708
10-12 a.m. 11,027 10-12 p.m. 2,689
Total number of Records Displayed 1,030,234
Peak hourly load of 22,722 records displayed occurred on 04/02/01 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 48,854 395,713 42.6% 43.3%
TEN 0 0 0.0% 0.0%
PE 5,076 43,063 4.1% 4.5%
ABI 487 849 0.5% 0.4%
BIOSIS 3,889 4,792 3.3% 3.4%
CC databases 9,730 95,347 9.0% 8.6%
CC 9,505 88,890 8.6% 8.4%
CCT 225 6,457 0.4% 0.2%
IAC databases 4,254 58,345 4.2% 3.8%
MAGS 3,769 53,622 3.7% 3.3%
NEWS 350 2,964 0.4% 0.3%
COMP 135 1,759 0.1% 0.1%
INS databases 3,030 23,405 3.7% 2.7%
INS 2,002 16,949 2.3% 1.8%
INS90 387 2,427 0.6% 0.3%
INS85 273 1,287 0.4% 0.2%
INS80 190 1,341 0.3% 0.2%
INS69 178 1,401 0.2% 0.2%
MED databases 19,569 207,798 19.4% 17.3%
MED 16,044 185,934 14.5% 14.2%
MED90 1,698 10,852 2.2% 1.5%
MED85 730 4,770 1.1% 0.6%
MED80 545 3,173 0.8% 0.5%
MED75 316 1,965 0.5% 0.3%
MED66 236 1,104 0.3% 0.2%
PSYC 4,217 6,497 3.0% 3.7%
OCLC 12,579 17,817 8.7% 11.1%
RLG 843 1,015 0.9% 0.7%
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) 34 30 64
GEOREF (Stanford) 13 113 126
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 147 188 335
Arizona State University 0 2 2
Boston University 0 0 0
California State Library 0 4 4
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 3 10 13
Cambridge University, England 0 1 1
CARL 0 2 2
CARL Uncover 4 10 14
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 0 19 19
DRA LC 1 0 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 5 3 8
Harvard 1 7 8
Library of Congress (LOCIS) 4 9 13
Los Angeles Public Library 0 1 1
National Agricultural Library 3 0 3
NLM AIDSDBS 0 6 6
NLM Databases (Medlars) 3 2 5
Northern Regional Lib Facility 77 21 98
New York Public Library 0 3 3
OCEAN Information Center 0 0 0
OCLC Catalog 3 80 83
OCLC EPIC 0 0 0
Oxford University, England 0 3 3
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 49 57 106
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 5 63 68
SUNY Buffalo (BISON) 1 1 2
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 58 136 194
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 1 1 2
UCLA ORION 1 2 3
UCSC CRUZCAT 0 2 2
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 2 3
UCSF Catalog 8 1 9
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 1 5 6
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 1 2 3
WRLC 0 0 0
Yale 6 0 6
Other 2 0 2
_______ ______ _____
Total number of USE commands 432 786 1,218
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 3.1
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.3
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 533
SAVE SET 516
RECALL SET 9
DELETE/CLEAR SET 49
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,781
1.7.2 REQUEST Commands
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Number of REQUEST Commands 138
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 1 1
Davis 0 0 0
Irvine 0 0 0
Los Angeles 0 0 0
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 0 0
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 0 0
Other - Non UC n/a 0 0
_______ ______ _____
0 1 1
1.7.4 Number of UPDATE commands by Database
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CAT 0
PE 0
TEN 0
CC databases 1
CC 1
CCT 0
IAC databases 0
MAGS 0
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 15
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 04/06/01 3,592
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)