MELVYL SYSTEM TELNET STATISTICS
Time period: 02/23/02 through 03/01/02
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 1,146 3,866 5,012
Davis 2,426 210 2,636
Irvine 702 0 702
Los Angeles 7 1,046 1,053
Riverside 490 209 699
San Diego 545 528 1,073
San Francisco 416 0 416
Santa Barbara 431 309 740
Santa Cruz 232 392 624
NRLF 0 0 0
SRLF 0 0 0
LBL 0 209 209
LLL 0 113 113
Los Alamos 0 0 0
Other - UC 54 482 536
CSL 0 191 191
CSU n/a 200 200
Stanford n/a 69 69
Other - Non UC n/a 6,235 6,235
_______ ______ _____
6,449 14,059 20,508
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. 46
2-4 a.m. 12 2-4 p.m. 52
4-6 a.m. 9 4-6 p.m. 34
6-8 a.m. 10 6-8 p.m. 12
8-10 a.m. 35 8-10 p.m. 11
10-12 a.m. 50 10-12 p.m. 11
Maximum of active users in a 2 minute interval:
For MELVYL system on 02/26/02 at 9:54:52 total number of users: 95
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,219 11,875 15,094
Davis 8,169 1,137 9,306
Irvine 2,731 0 2,731
Los Angeles 26 2,935 2,961
Riverside 2,352 615 2,967
San Diego 1,415 1,366 2,781
San Francisco 1,612 0 1,612
Santa Barbara 1,399 757 2,156
Santa Cruz 1,060 1,089 2,149
NRLF 0 0 0
SRLF 0 0 0
LBL 0 364 364
LLL 0 324 324
Los Alamos 0 0 0
Other - UC 97 1,408 1,505
CSL 0 207 207
CSU n/a 719 719
Stanford n/a 249 249
Other - Non UC n/a 22,148 22,148
_______ ______ _____
22,080 45,193 67,273
Average number of FIND commands per hour:
12-2 a.m. 69 12-2 p.m. 362
2-4 a.m. 54 2-4 p.m. 432
4-6 a.m. 53 4-6 p.m. 285
6-8 a.m. 71 6-8 p.m. 94
8-10 a.m. 284 8-10 p.m. 68
10-12 a.m. 387 10-12 p.m. 64
Total number of FIND commands 67,273
Peak hourly load of 803 FIND commands occurred on 02/25/02 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 26,290 113,420 139,710
Davis 69,964 5,000 74,964
Irvine 28,421 0 28,421
Los Angeles 290 26,054 26,344
Riverside 15,419 7,559 22,978
San Diego 8,365 12,577 20,942
San Francisco 11,459 0 11,459
Santa Barbara 12,320 18,806 31,126
Santa Cruz 5,365 11,181 16,546
NRLF 0 0 0
SRLF 0 0 0
LBL 0 4,151 4,151
LLL 0 2,564 2,564
Los Alamos 0 0 0
Other - UC 6,903 11,496 18,399
CSL 0 1,490 1,490
CSU n/a 7,833 7,833
Stanford n/a 2,978 2,978
Other - Non UC n/a 169,360 169,360
_______ ______ _____
184,796 394,469 579,265
Average number of records displayed per hour:
12-2 a.m. 1,097 12-2 p.m. 7,073
2-4 a.m. 1,139 2-4 p.m. 8,024
4-6 a.m. 677 4-6 p.m. 5,813
6-8 a.m. 1,120 6-8 p.m. 2,137
8-10 a.m. 5,028 8-10 p.m. 1,700
10-12 a.m. 7,079 10-12 p.m. 1,933
Total number of Records Displayed 579,265
Peak hourly load of 19,060 records displayed occurred on 02/25/02 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 42,485 328,672 56.9% 63.2%
TEN 0 0 0.0% 0.0%
PE 4,140 37,985 6.4% 6.2%
ABI 472 697 0.8% 0.7%
BIOSIS 3,210 3,470 5.5% 4.8%
CC databases 6,507 66,463 11.2% 9.7%
CC 6,411 62,527 10.8% 9.5%
CCT 96 3,936 0.4% 0.1%
IAC databases 2,460 40,971 5.1% 3.7%
MAGS 2,236 38,211 4.4% 3.3%
NEWS 149 1,000 0.5% 0.2%
COMP 75 1,760 0.2% 0.1%
INS databases 2,271 24,666 5.2% 3.4%
INS 1,564 18,407 3.3% 2.3%
INS90 250 2,994 0.7% 0.4%
INS85 149 988 0.4% 0.2%
INS80 131 1,124 0.4% 0.2%
INS69 177 1,153 0.4% 0.3%
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 3,309 4,735 4.1% 4.9%
OCLC 286 236 0.5% 0.4%
RLG 1,889 2,582 3.6% 2.8%
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) 0 0 0
GEOREF (Stanford) 0 0 0
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 99 114 213
Arizona State University 0 1 1
Boston University 0 2 2
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 15 2 17
Cambridge University, England 0 0 0
CARL 0 0 0
CARL Uncover 2 6 8
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 22 22
DRA LC 0 2 2
Earthquake Engineering Abstracts 0 0 0
FS INFO 0 1 1
Harvard 0 2 2
Library of Congress (LOCIS) 3 2 5
Los Angeles Public Library 1 0 1
National Agricultural Library 0 0 0
NLM AIDSDBS 1 1 2
NLM Databases (Medlars) 0 0 0
Northern Regional Lib Facility 64 37 101
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 2 123 125
OCLC EPIC 0 0 0
Oxford University, England 0 0 0
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 25 47 72
San Francisco State University 1 0 1
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 1 1
Stanford University 1 9 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 59 123 182
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 3 2 5
UCLA ORION 0 0 0
UCSC CRUZCAT 0 0 0
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 0 0
UCSF Catalog 1 2 3
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 0 0
Virginia Polytechnic Institute 0 0 0
Weather 0 0 0
WRLC 0 0 0
Yale 3 5 8
Other 1 1 2
_______ ______ _____
Total number of USE commands 282 507 789
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 3.4
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.1
Standard deviation in seconds 0.3
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 101
SAVE SET 105
RECALL SET 0
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 921
1.7.2 REQUEST Commands
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Number of REQUEST Commands 81
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 0 0
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 0 0
1.7.4 Number of UPDATE commands by Database
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CAT 0
PE 0
TEN 0
CC databases 0
CC 0
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 10
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 1
Number of REDO UPDATE commands 0
Total number of UPDATEs on 03/01/02 1,720
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)