MELVYL SYSTEM TELNET STATISTICS
Time period: 04/13/02 through 04/19/02
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 1,185 3,812 4,997
Davis 2,110 145 2,255
Irvine 861 0 861
Los Angeles 16 964 980
Riverside 487 208 695
San Diego 446 483 929
San Francisco 368 0 368
Santa Barbara 343 240 583
Santa Cruz 268 283 551
NRLF 0 0 0
SRLF 0 0 0
LBL 0 172 172
LLL 0 139 139
Los Alamos 0 4 4
Other - UC 26 511 537
CSL 0 108 108
CSU n/a 192 192
Stanford n/a 61 61
Other - Non UC n/a 5,854 5,854
_______ ______ _____
6,110 13,176 19,286
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. 48
2-4 a.m. 15 2-4 p.m. 52
4-6 a.m. 11 4-6 p.m. 34
6-8 a.m. 12 6-8 p.m. 11
8-10 a.m. 33 8-10 p.m. 10
10-12 a.m. 52 10-12 p.m. 14
Maximum of active users in a 2 minute interval:
For MELVYL system on 04/15/02 at 11:18:40 total number of users: 89
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,081 12,259 15,340
Davis 7,952 958 8,910
Irvine 3,830 0 3,830
Los Angeles 65 2,804 2,869
Riverside 3,233 719 3,952
San Diego 1,282 1,099 2,381
San Francisco 1,495 0 1,495
Santa Barbara 1,506 600 2,106
Santa Cruz 1,921 1,617 3,538
NRLF 0 0 0
SRLF 0 0 0
LBL 0 306 306
LLL 0 396 396
Los Alamos 0 14 14
Other - UC 31 1,237 1,268
CSL 0 192 192
CSU n/a 1,257 1,257
Stanford n/a 139 139
Other - Non UC n/a 20,388 20,388
_______ ______ _____
24,396 43,985 68,381
Average number of FIND commands per hour:
12-2 a.m. 57 12-2 p.m. 476
2-4 a.m. 45 2-4 p.m. 445
4-6 a.m. 30 4-6 p.m. 313
6-8 a.m. 68 6-8 p.m. 103
8-10 a.m. 271 8-10 p.m. 70
10-12 a.m. 417 10-12 p.m. 97
Total number of FIND commands 68,381
Peak hourly load of 828 FIND commands occurred on 04/16/02 at 1 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 26,466 100,492 126,958
Davis 62,353 4,524 66,877
Irvine 26,414 0 26,414
Los Angeles 444 28,708 29,152
Riverside 14,745 6,130 20,875
San Diego 9,307 21,897 31,204
San Francisco 17,553 0 17,553
Santa Barbara 14,685 6,053 20,738
Santa Cruz 9,100 9,532 18,632
NRLF 0 0 0
SRLF 0 0 0
LBL 0 4,467 4,467
LLL 0 3,635 3,635
Los Alamos 0 101 101
Other - UC 122 11,155 11,277
CSL 0 1,850 1,850
CSU n/a 11,400 11,400
Stanford n/a 872 872
Other - Non UC n/a 153,063 153,063
_______ ______ _____
181,189 363,879 545,068
Average number of records displayed per hour:
12-2 a.m. 535 12-2 p.m. 8,039
2-4 a.m. 662 2-4 p.m. 8,221
4-6 a.m. 363 4-6 p.m. 5,175
6-8 a.m. 1,008 6-8 p.m. 2,124
8-10 a.m. 4,292 8-10 p.m. 1,355
10-12 a.m. 7,015 10-12 p.m. 1,382
Total number of Records Displayed 545,068
Peak hourly load of 17,265 records displayed occurred on 04/17/02 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 45,008 320,653 58.2% 65.8%
TEN 0 0 0.0% 0.0%
PE 3,894 31,920 6.1% 5.7%
ABI 423 602 0.8% 0.6%
BIOSIS 3,035 3,496 5.3% 4.4%
CC databases 6,573 60,486 11.2% 9.6%
CC 6,499 57,288 10.8% 9.5%
CCT 74 3,198 0.4% 0.1%
IAC databases 2,259 27,341 4.7% 3.3%
MAGS 2,120 24,857 4.2% 3.1%
NEWS 111 1,003 0.4% 0.2%
COMP 28 1,481 0.1% 0.0%
INS databases 2,004 16,539 5.0% 2.9%
INS 1,290 12,086 3.1% 1.9%
INS90 276 1,629 0.7% 0.4%
INS85 166 1,018 0.5% 0.2%
INS80 142 775 0.3% 0.2%
INS69 130 1,031 0.3% 0.2%
MED databases 0 0 0.0% 0.0%
MED 0 0 0.0% 0.0%
MED90 0 0 0.0% 0.0%
MED85 0 0 0.0% 0.0%
MED80 0 0 0.0% 0.0%
MED75 0 0 0.0% 0.0%
MED66 0 0 0.0% 0.0%
PSYC 2,723 3,558 3.7% 4.0%
OCLC 415 331 0.7% 0.6%
RLG 1,821 2,573 3.9% 2.7%
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) 0 0 0
GEOREF (Stanford) 0 0 0
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 61 141 202
Arizona State University 1 0 1
Boston University 0 1 1
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 11 8 19
Cambridge University, England 0 0 0
CARL 0 0 0
CARL Uncover 0 2 2
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 0 0
DIALOG 1 15 16
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 0 0
Harvard 0 2 2
Library of Congress (LOCIS) 0 9 9
Los Angeles Public Library 1 1 2
National Agricultural Library 0 0 0
NLM AIDSDBS 2 0 2
NLM Databases (Medlars) 0 1 1
Northern Regional Lib Facility 54 21 75
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 0 70 70
OCLC EPIC 0 0 0
Oxford University, England 0 1 1
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 19 45 64
San Francisco State University 1 0 1
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 2 8 10
SUNY Buffalo (BISON) 0 0 0
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 62 106 168
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 2 0 2
UCLA ORION 0 5 5
UCSC CRUZCAT 1 0 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 0 1
UCSF Catalog 0 1 1
Univ. of Hawaii 1 0 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 1 1
Virginia Polytechnic Institute 0 0 0
Weather 0 0 0
WRLC 0 0 0
Yale 5 0 5
Other 0 0 0
_______ ______ _____
Total number of USE commands 225 439 664
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 3.2
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 36
SAVE SET 49
RECALL SET 2
DELETE/CLEAR SET 0
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 812
1.7.2 REQUEST Commands
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Number of REQUEST Commands 79
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 1 0 1
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
_______ ______ _____
1 1 2
1.7.4 Number of UPDATE commands by Database
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CAT 1
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 11
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 04/19/02 1,691
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)