MELVYL SYSTEM TELNET STATISTICS
Time period: 11/01/01 through 11/30/01
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 5,615 19,694 25,309
Davis 13,981 1,717 15,698
Irvine 5,098 0 5,098
Los Angeles 172 7,275 7,447
Riverside 2,310 1,131 3,441
San Diego 2,403 3,817 6,220
San Francisco 5,864 0 5,864
Santa Barbara 1,296 1,495 2,791
Santa Cruz 1,113 1,238 2,351
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1,124 1,124
LLL 0 566 566
Los Alamos 0 16 16
Other - UC 171 2,267 2,438
CSL 0 565 565
CSU n/a 902 902
Stanford n/a 548 548
Other - Non UC n/a 31,513 31,513
_______ ______ _____
38,023 73,868 111,891
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. 55
2-4 a.m. 15 2-4 p.m. 61
4-6 a.m. 12 4-6 p.m. 41
6-8 a.m. 10 6-8 p.m. 18
8-10 a.m. 37 8-10 p.m. 13
10-12 a.m. 60 10-12 p.m. 13
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 1821.33
For Non-UC users (hrs:mins) 72.23
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 15,755 56,457 72,212
Davis 47,877 5,823 53,700
Irvine 18,884 0 18,884
Los Angeles 957 20,133 21,090
Riverside 8,220 3,038 11,258
San Diego 7,124 10,879 18,003
San Francisco 16,468 0 16,468
Santa Barbara 6,098 4,182 10,280
Santa Cruz 9,625 3,429 13,054
NRLF 0 0 0
SRLF 0 0 0
LBL 0 2,346 2,346
LLL 0 1,621 1,621
Los Alamos 0 55 55
Other - UC 255 6,329 6,584
CSL 0 684 684
CSU n/a 3,164 3,164
Stanford n/a 1,782 1,782
Other - Non UC n/a 100,333 100,333
_______ ______ _____
131,263 220,255 351,518
Average number of FIND commands per hour:
12-2 a.m. 57 12-2 p.m. 507
2-4 a.m. 53 2-4 p.m. 571
4-6 a.m. 47 4-6 p.m. 350
6-8 a.m. 87 6-8 p.m. 139
8-10 a.m. 315 8-10 p.m. 82
10-12 a.m. 554 10-12 p.m. 73
Total number of FIND commands 351,518
Peak hourly load of 1,277 FIND commands occurred on 11/19/01 at 2 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 136,764 543,835 680,599
Davis 442,436 35,114 477,550
Irvine 188,478 0 188,478
Los Angeles 6,323 197,871 204,194
Riverside 66,030 24,892 90,922
San Diego 35,681 121,889 157,570
San Francisco 183,421 0 183,421
Santa Barbara 52,085 43,399 95,484
Santa Cruz 29,192 34,828 64,020
NRLF 0 0 0
SRLF 0 0 0
LBL 0 29,195 29,195
LLL 0 13,792 13,792
Los Alamos 0 438 438
Other - UC 1,581 57,572 59,153
CSL 0 6,251 6,251
CSU n/a 37,705 37,705
Stanford n/a 11,494 11,494
Other - Non UC n/a 817,741 817,741
_______ ______ _____
1,141,991 1,976,016 3,118,007
Average number of records displayed per hour:
12-2 a.m. 825 12-2 p.m. 9,130
2-4 a.m. 1,389 2-4 p.m. 10,989
4-6 a.m. 561 4-6 p.m. 6,502
6-8 a.m. 1,389 6-8 p.m. 3,385
8-10 a.m. 5,231 8-10 p.m. 2,012
10-12 a.m. 9,380 10-12 p.m. 1,461
Total number of Records Displayed 3,118,007
Peak hourly load of 35,672 records displayed occurred on 11/03/01 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 174,102 1,261,409 45.6% 49.5%
TEN 0 0 0.0% 0.0%
PE 16,562 140,491 4.7% 4.7%
ABI 2,109 3,281 0.7% 0.6%
BIOSIS 12,311 15,557 3.7% 3.5%
CC databases 28,725 321,917 9.4% 8.2%
CC 28,061 296,428 9.0% 8.0%
CCT 664 25,489 0.4% 0.2%
IAC databases 12,494 144,764 4.1% 3.6%
MAGS 11,187 130,273 3.6% 3.2%
NEWS 890 11,796 0.4% 0.3%
COMP 417 2,695 0.2% 0.1%
INS databases 10,532 79,339 4.4% 3.0%
INS 7,151 56,005 2.7% 2.0%
INS90 1,187 7,947 0.6% 0.3%
INS85 823 4,911 0.4% 0.2%
INS80 651 3,003 0.3% 0.2%
INS69 720 7,473 0.3% 0.2%
MED databases 48,484 597,022 15.6% 13.8%
MED 38,044 464,244 11.2% 10.8%
MED90 4,522 45,033 1.8% 1.3%
MED85 2,472 38,969 1.0% 0.7%
MED80 1,564 18,832 0.7% 0.4%
MED75 984 13,909 0.4% 0.3%
MED66 898 16,035 0.4% 0.3%
PSYC 13,575 18,675 3.3% 3.9%
OCLC 27,014 35,956 6.7% 7.7%
RLG 4,456 5,193 1.4% 1.3%
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 428 618 1,046
Arizona State University 2 3 5
Boston University 0 0 0
California State Library 1 4 5
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 0 0
Cal State Univ., Hayward 20 33 53
Cambridge University, England 1 4 5
CARL 1 3 4
CARL Uncover 19 43 62
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 1 1 2
Dartmouth College 1 2 3
DIALOG 1 122 123
DRA LC 0 1 1
Earthquake Engineering Abstracts 0 0 0
FS INFO 3 15 18
Harvard 3 25 28
Library of Congress (LOCIS) 10 36 46
Los Angeles Public Library 0 4 4
National Agricultural Library 9 4 13
NLM AIDSDBS 3 4 7
NLM Databases (Medlars) 4 2 6
Northern Regional Lib Facility 444 90 534
New York Public Library 0 1 1
OCEAN Information Center 0 0 0
OCLC Catalog 0 340 340
OCLC EPIC 0 3 3
Oxford University, England 0 1 1
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 137 347 484
San Francisco State University 0 2 2
San Jose State University 0 1 1
Santa Clara University (OSCAR) 0 0 0
Stanford University 24 52 76
SUNY Buffalo (BISON) 2 4 6
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 144 450 594
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 21 5 26
UCLA ORION 1 4 5
UCSC CRUZCAT 5 3 8
UCSC INFOSLUG 0 0 0
UCSD ROGER 1 2 3
UCSF Catalog 6 4 10
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 1 1
Virginia Polytechnic Institute 0 0 0
Weather 2 14 16
WRLC 0 0 0
Yale 19 12 31
Other 1 0 1
_______ ______ _____
Total number of USE commands 1,314 2,261 3,574
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 3.7
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.8
1.5 Online Publications
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Current Cites 0
DLA Bulletin 3
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 431
SAVE SET 606
RECALL SET 11
DELETE/CLEAR SET 11
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 4,539
1.7.2 REQUEST Commands
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Number of REQUEST Commands 422
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 0 12 12
Davis 3 0 3
Irvine 1 0 1
Los Angeles 0 0 0
Riverside 0 0 0
San Diego 0 5 5
San Francisco 0 0 0
Santa Barbara 2 0 2
Santa Cruz 0 1 1
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 3 3
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 4 4
_______ ______ _____
6 25 31
1.7.4 Number of UPDATE commands by Database
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CAT 13
PE 0
TEN 0
CC databases 14
CC 14
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 0
INS 0
PSYC 0
ABI 0
BIOSIS 4
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 66
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 2
Number of REDO UPDATE commands 1
Total number of UPDATEs on 11/30/01 1,890
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)