MELVYL SYSTEM TELNET STATISTICS
Time period: 02/01/00 through 02/29/00
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 14,761 34,858 49,619
Davis 26,871 3,824 30,695
Irvine 16,841 0 16,841
Los Angeles 7,760 19,664 27,424
Riverside 7,587 2,429 10,016
San Diego 5,246 9,979 15,225
San Francisco 15,742 0 15,742
Santa Barbara 6,573 5,962 12,535
Santa Cruz 9,163 4,445 13,608
NRLF 0 0 0
SRLF 13 0 13
LBL 0 2,154 2,154
LLL 0 2,176 2,176
Los Alamos 0 71 71
Other - UC 827 3,499 4,326
CSL 0 837 837
CSU n/a 1,854 1,854
Stanford n/a 3,969 3,969
Other - Non UC n/a 48,341 48,341
_______ ______ _____
111,384 144,062 255,446
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. 120
2-4 a.m. 11 2-4 p.m. 141
4-6 a.m. 8 4-6 p.m. 97
6-8 a.m. 13 6-8 p.m. 44
8-10 a.m. 65 8-10 p.m. 29
10-12 a.m. 117 10-12 p.m. 20
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 5461.10
For Non-UC users (hrs:mins) 335.67
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 46,006 107,685 153,691
Davis 87,852 15,075 102,927
Irvine 52,942 0 52,942
Los Angeles 24,952 56,182 81,134
Riverside 26,688 6,855 33,543
San Diego 15,863 24,945 40,808
San Francisco 46,772 0 46,772
Santa Barbara 25,647 18,601 44,248
Santa Cruz 35,019 15,557 50,576
NRLF 0 0 0
SRLF 18 0 18
LBL 0 5,621 5,621
LLL 0 7,911 7,911
Los Alamos 0 288 288
Other - UC 1,207 27,854 29,061
CSL 0 2,383 2,383
CSU n/a 10,455 10,455
Stanford n/a 11,755 11,755
Other - Non UC n/a 174,658 174,658
_______ ______ _____
362,966 485,825 848,791
Average number of FIND commands per hour:
12-2 a.m. 170 12-2 p.m. 1,319
2-4 a.m. 133 2-4 p.m. 1,448
4-6 a.m. 93 4-6 p.m. 974
6-8 a.m. 171 6-8 p.m. 436
8-10 a.m. 713 8-10 p.m. 306
10-12 a.m. 1,252 10-12 p.m. 231
Total number of FIND commands 848,791
Peak hourly load of 2,670 FIND commands occurred on 02/24/00 at 1 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 462,790 1,056,796 1,519,586
Davis 797,786 88,232 886,018
Irvine 453,318 0 453,318
Los Angeles 255,976 652,273 908,249
Riverside 230,903 73,084 303,987
San Diego 102,889 255,486 358,375
San Francisco 470,116 0 470,116
Santa Barbara 219,618 189,754 409,372
Santa Cruz 228,812 122,357 351,169
NRLF 0 0 0
SRLF 159 0 159
LBL 0 55,147 55,147
LLL 0 87,402 87,402
Los Alamos 0 1,975 1,975
Other - UC 24,137 115,315 139,452
CSL 0 12,159 12,159
CSU n/a 105,503 105,503
Stanford n/a 114,028 114,028
Other - Non UC n/a 1,421,386 1,421,386
_______ ______ _____
3,246,504 4,350,897 7,597,401
Average number of records displayed per hour:
12-2 a.m. 2,038 12-2 p.m. 25,637
2-4 a.m. 2,148 2-4 p.m. 28,088
4-6 a.m. 1,228 4-6 p.m. 19,583
6-8 a.m. 3,104 6-8 p.m. 9,367
8-10 a.m. 13,598 8-10 p.m. 6,447
10-12 a.m. 23,248 10-12 p.m. 3,763
Total number of Records Displayed 7,597,401
Peak hourly load of 50,119 records displayed occurred on 02/16/00 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 375,295 2,804,040 40.9% 44.2%
TEN 0 0 0.0% 0.0%
PE 26,427 256,804 3.1% 3.1%
ABI 6,099 12,214 0.8% 0.7%
BIOSIS 34,580 45,466 4.1% 4.1%
CC databases 70,883 771,300 9.5% 8.4%
CC 69,559 712,753 9.0% 8.2%
CCT 1,324 58,547 0.4% 0.2%
IAC databases 59,907 635,165 7.3% 7.1%
MAGS 52,721 577,105 6.2% 6.2%
NEWS 5,328 42,754 0.8% 0.6%
COMP 1,858 15,306 0.3% 0.2%
INS databases 24,934 223,471 4.4% 2.9%
INS 17,754 171,397 2.8% 2.1%
INS90 2,516 17,042 0.6% 0.3%
INS85 1,709 11,262 0.4% 0.2%
INS80 1,415 8,699 0.3% 0.2%
INS69 1,540 15,071 0.3% 0.2%
MED databases 150,111 1,544,671 19.7% 17.7%
MED 118,559 1,325,885 14.1% 14.0%
MED90 15,344 108,685 2.6% 1.8%
MED85 7,322 49,172 1.4% 0.9%
MED80 4,200 29,422 0.8% 0.5%
MED75 2,604 14,030 0.5% 0.3%
MED66 2,082 17,477 0.4% 0.2%
PSYC 36,258 57,998 3.4% 4.3%
OCLC 53,465 65,360 5.3% 6.3%
RLG 7,918 8,111 1.0% 0.9%
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) 281 252 533
GEOREF (Stanford) 314 958 1,272
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 508 564 1,072
Arizona State University 4 13 17
Boston University 3 5 8
California State Library 2 13 15
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 2 2
Cal State Univ., Hayward 20 22 42
Cambridge University, England 6 18 24
CARL 4 17 21
CARL Uncover 45 106 151
Chicano/Latino Net Gopher 0 0 0
Claremont College 0 1 1
Cleveland Free-Net 4 3 7
Dartmouth College 4 0 4
DIALOG 17 154 171
DRA LC 41 12 53
Earthquake Engineering Abstracts 0 4 4
FS INFO 17 27 44
Harvard 16 60 76
Library of Congress (LOCIS) 25 75 100
Los Angeles Public Library 6 33 39
National Agricultural Library 37 17 54
NLM AIDSDBS 15 15 30
NLM Databases (Medlars) 38 65 103
Northern Regional Lib Facility 653 166 819
New York Public Library 4 31 35
OCEAN Information Center 0 0 0
OCLC Catalog 31 342 373
OCLC EPIC 1 0 1
Oxford University, England 2 48 50
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 1 1
RLIN 228 355 583
San Francisco State University 1 0 1
San Jose State University 1 11 12
Santa Clara University (OSCAR) 2 2 4
Stanford University 46 465 511
SUNY Buffalo (BISON) 3 10 13
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 633 880 1,513
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 24 36 60
UCLA ORION 12 27 39
UCSC CRUZCAT 33 66 99
UCSC INFOSLUG 0 0 0
UCSD ROGER 23 43 66
UCSF Catalog 116 12 128
Univ. of Hawaii 2 4 6
Univ. of Tennessee 0 0 0
Univ. of Michigan 6 8 14
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 1 9 10
Virginia Polytechnic Institute 0 1 1
Weather 7 92 99
WRLC 1 0 1
Yale 41 12 53
Other 24 17 41
_______ ______ _____
Total number of USE commands 3,302 5,074 8,364
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 1.0
Standard deviation in seconds 4.3
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 0.5
1.5 Online Publications
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Current Cites 1
DLA Bulletin 3
Mynd of MELVYL 1
1.6 Search SET commands
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FIND SET 1,804
SAVE SET 1,888
RECALL SET 12
DELETE/CLEAR SET 37
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 16,596
1.7.2 REQUEST Commands
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Number of REQUEST Commands 1,756
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1 10 11
Davis 5 0 5
Irvine 4 0 4
Los Angeles 1 2 3
Riverside 3 0 3
San Diego 3 3 6
San Francisco 3 0 3
Santa Barbara 1 0 1
Santa Cruz 3 1 4
NRLF 0 0 0
SRLF 0 0 0
LBL 0 1 1
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 1 1
Other - Non UC n/a 8 8
_______ ______ _____
24 29 53
1.7.4 Number of UPDATE commands by Database
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CAT 13
PE 0
TEN 0
CC databases 7
CC 5
CCT 2
IAC databases 8
MAGS 8
NEWS 0
COMP 0
MED 16
INS 2
PSYC 0
ABI 1
BIOSIS 6
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 201
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 3
Number of REDO UPDATE commands 1
Total number of UPDATEs on 02/29/00 5,546
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)