MELVYL SYSTEM TELNET STATISTICS
Time period: 11/25/00 through 12/01/00
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 2,745 7,612 10,357
Davis 4,790 749 5,539
Irvine 2,455 0 2,455
Los Angeles 655 2,943 3,598
Riverside 1,432 467 1,899
San Diego 1,010 1,647 2,657
San Francisco 2,388 0 2,388
Santa Barbara 993 812 1,805
Santa Cruz 778 697 1,475
NRLF 0 0 0
SRLF 10 0 10
LBL 0 404 404
LLL 0 277 277
Los Alamos 0 3 3
Other - UC 59 836 895
CSL 0 159 159
CSU n/a 259 259
Stanford n/a 504 504
Other - Non UC n/a 9,129 9,129
_______ ______ _____
17,315 26,498 43,813
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 12 12-2 p.m. 86
2-4 a.m. 9 2-4 p.m. 99
4-6 a.m. 8 4-6 p.m. 68
6-8 a.m. 11 6-8 p.m. 32
8-10 a.m. 51 8-10 p.m. 22
10-12 a.m. 89 10-12 p.m. 17
Maximum of active users in a 2 minute interval:
For MELVYL system on 11/28/00 at 14:35:50 total number of users: 163
For MELVYL MEDLINE on 11/28/00 at 13:39:47 total number of users: 36
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 870.83
For Non-UC users (hrs:mins) 36.33
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 8,487 21,685 30,172
Davis 15,791 2,528 18,319
Irvine 9,594 0 9,594
Los Angeles 1,947 8,832 10,779
Riverside 4,322 1,267 5,589
San Diego 2,884 4,258 7,142
San Francisco 6,658 0 6,658
Santa Barbara 3,135 2,187 5,322
Santa Cruz 2,278 1,745 4,023
NRLF 0 0 0
SRLF 13 0 13
LBL 0 864 864
LLL 0 1,198 1,198
Los Alamos 0 6 6
Other - UC 97 3,223 3,320
CSL 0 347 347
CSU n/a 1,169 1,169
Stanford n/a 1,431 1,431
Other - Non UC n/a 30,202 30,202
_______ ______ _____
55,206 80,942 136,148
Average number of FIND commands per hour:
12-2 a.m. 96 12-2 p.m. 792
2-4 a.m. 70 2-4 p.m. 938
4-6 a.m. 66 4-6 p.m. 593
6-8 a.m. 112 6-8 p.m. 281
8-10 a.m. 449 8-10 p.m. 166
10-12 a.m. 844 10-12 p.m. 146
Total number of FIND commands 136,148
Peak hourly load of 1,365 FIND commands occurred on 11/27/00 at 3 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 80,940 210,937 291,877
Davis 176,861 16,750 193,611
Irvine 71,833 0 71,833
Los Angeles 17,786 86,933 104,719
Riverside 37,309 9,945 47,254
San Diego 17,607 42,634 60,241
San Francisco 67,765 0 67,765
Santa Barbara 21,802 25,132 46,934
Santa Cruz 14,918 16,047 30,965
NRLF 0 0 0
SRLF 48 0 48
LBL 0 9,808 9,808
LLL 0 13,615 13,615
Los Alamos 0 73 73
Other - UC 737 28,118 28,855
CSL 0 2,541 2,541
CSU n/a 14,205 14,205
Stanford n/a 14,812 14,812
Other - Non UC n/a 269,812 269,812
_______ ______ _____
507,606 761,362 1,268,968
Average number of records displayed per hour:
12-2 a.m. 1,490 12-2 p.m. 16,791
2-4 a.m. 876 2-4 p.m. 18,488
4-6 a.m. 789 4-6 p.m. 12,791
6-8 a.m. 2,034 6-8 p.m. 6,139
8-10 a.m. 12,341 8-10 p.m. 4,528
10-12 a.m. 15,560 10-12 p.m. 3,166
Total number of Records Displayed 1,268,968
Peak hourly load of 67,564 records displayed occurred on 11/27/00 at 9 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 56,882 433,933 41.4% 41.8%
TEN 0 0 0.0% 0.0%
PE 4,766 52,859 3.6% 3.5%
ABI 920 1,713 0.8% 0.7%
BIOSIS 5,345 6,412 4.0% 3.9%
CC databases 11,936 175,748 9.0% 8.8%
CC 11,517 160,016 8.6% 8.5%
CCT 419 15,732 0.4% 0.3%
IAC databases 8,630 98,008 6.3% 6.3%
MAGS 7,625 89,235 5.4% 5.6%
NEWS 837 5,705 0.7% 0.6%
COMP 168 3,068 0.2% 0.1%
INS databases 4,488 32,130 4.5% 3.3%
INS 3,202 25,533 2.8% 2.4%
INS90 460 2,440 0.6% 0.3%
INS85 310 1,449 0.4% 0.2%
INS80 222 699 0.3% 0.2%
INS69 294 2,009 0.3% 0.2%
MED databases 21,634 214,984 17.6% 15.9%
MED 17,763 193,083 13.1% 13.0%
MED90 1,911 11,220 2.1% 1.4%
MED85 803 5,043 1.0% 0.6%
MED80 584 3,068 0.7% 0.4%
MED75 330 1,493 0.4% 0.2%
MED66 243 1,077 0.3% 0.2%
PSYC 6,589 10,101 3.8% 4.8%
OCLC 12,983 17,615 7.5% 9.5%
RLG 1,561 1,638 1.1% 1.1%
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) 25 46 71
GEOREF (Stanford) 31 138 169
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 96 131 227
Arizona State University 0 2 2
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 5 11 16
Cambridge University, England 0 0 0
CARL 0 3 3
CARL Uncover 5 17 22
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 0 0
Cleveland Free-Net 0 0 0
Dartmouth College 0 2 2
DIALOG 3 37 40
DRA LC 0 0 0
Earthquake Engineering Abstracts 0 0 0
FS INFO 6 6 12
Harvard 1 9 10
Library of Congress (LOCIS) 3 7 10
Los Angeles Public Library 0 4 4
National Agricultural Library 3 0 3
NLM AIDSDBS 3 0 3
NLM Databases (Medlars) 2 1 3
Northern Regional Lib Facility 125 42 167
New York Public Library 0 2 2
OCEAN Information Center 0 0 0
OCLC Catalog 0 76 76
OCLC EPIC 0 0 0
Oxford University, England 0 2 2
Princeton 0 3 3
Rensselaer Polytechnic Institute 0 0 0
RLIN 62 75 137
San Francisco State University 0 1 1
San Jose State University 0 2 2
Santa Clara University (OSCAR) 0 1 1
Stanford University 8 94 102
SUNY Buffalo (BISON) 1 0 1
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 85 165 250
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 4 2 6
UCLA ORION 0 3 3
UCSC CRUZCAT 1 4 5
UCSC INFOSLUG 0 0 0
UCSD ROGER 2 4 6
UCSF Catalog 11 1 12
Univ. of Hawaii 0 0 0
Univ. of Tennessee 0 0 0
Univ. of Michigan 0 1 1
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 0 3 3
Virginia Polytechnic Institute 0 0 0
Weather 0 15 15
WRLC 0 0 0
Yale 0 31 31
Other 3 0 3
_______ ______ _____
Total number of USE commands 485 943 1,426
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 8.1
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.8
1.5 Online Publications
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Current Cites 0
DLA Bulletin 2
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 305
SAVE SET 287
RECALL SET 1
DELETE/CLEAR SET 2
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 2,605
1.7.2 REQUEST Commands
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Number of REQUEST Commands 218
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 4 3 7
San Francisco 1 0 1
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
_______ ______ _____
5 4 9
1.7.4 Number of UPDATE commands by Database
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CAT 0
PE 0
TEN 0
CC databases 4
CC 4
CCT 0
IAC databases 0
MAGS 0
NEWS 0
COMP 0
MED 0
INS 0
PSYC 0
ABI 0
BIOSIS 5
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 25
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 12/01/00 4,033
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)