MELVYL SYSTEM TELNET STATISTICS
Time period: 05/12/01 through 05/18/01
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 1,208 5,378 6,586
Davis 4,187 446 4,633
Irvine 2,190 0 2,190
Los Angeles 66 2,793 2,859
Riverside 1,103 326 1,429
San Diego 859 1,392 2,251
San Francisco 1,988 0 1,988
Santa Barbara 503 551 1,054
Santa Cruz 556 571 1,127
NRLF 0 0 0
SRLF 0 0 0
LBL 0 353 353
LLL 0 235 235
Los Alamos 0 7 7
Other - UC 74 622 696
CSL 0 166 166
CSU n/a 225 225
Stanford n/a 460 460
Other - Non UC n/a 9,653 9,653
_______ ______ _____
12,734 23,178 35,912
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 9 12-2 p.m. 70
2-4 a.m. 10 2-4 p.m. 77
4-6 a.m. 9 4-6 p.m. 53
6-8 a.m. 13 6-8 p.m. 25
8-10 a.m. 47 8-10 p.m. 16
10-12 a.m. 74 10-12 p.m. 14
Maximum of active users in a 2 minute interval:
For MELVYL system on 05/17/01 at 11:32:18 total number of users: 127
For MELVYL MEDLINE on 05/17/01 at 12:12:22 total number of users: 26
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 698.13
For Non-UC users (hrs:mins) 41.07
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 3,296 17,449 20,745
Davis 14,416 1,589 16,005
Irvine 6,931 0 6,931
Los Angeles 258 7,713 7,971
Riverside 3,489 1,025 4,514
San Diego 2,164 4,110 6,274
San Francisco 6,099 0 6,099
Santa Barbara 1,630 1,487 3,117
Santa Cruz 1,770 1,961 3,731
NRLF 0 0 0
SRLF 0 0 0
LBL 0 843 843
LLL 0 1,175 1,175
Los Alamos 0 10 10
Other - UC 126 1,770 1,896
CSL 0 440 440
CSU n/a 967 967
Stanford n/a 1,494 1,494
Other - Non UC n/a 29,622 29,622
_______ ______ _____
40,179 71,655 111,834
Average number of FIND commands per hour:
12-2 a.m. 63 12-2 p.m. 610
2-4 a.m. 61 2-4 p.m. 719
4-6 a.m. 56 4-6 p.m. 504
6-8 a.m. 137 6-8 p.m. 201
8-10 a.m. 441 8-10 p.m. 172
10-12 a.m. 654 10-12 p.m. 106
Total number of FIND commands 111,834
Peak hourly load of 1,096 FIND commands occurred on 05/15/01 at 11 am
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 29,594 162,529 192,123
Davis 306,519 9,818 316,337
Irvine 60,588 0 60,588
Los Angeles 2,169 79,807 81,976
Riverside 22,755 8,048 30,803
San Diego 14,793 466,056 480,849
San Francisco 56,382 0 56,382
Santa Barbara 14,649 14,731 29,380
Santa Cruz 13,270 16,886 30,156
NRLF 0 0 0
SRLF 0 0 0
LBL 0 9,957 9,957
LLL 0 9,746 9,746
Los Alamos 0 242 242
Other - UC 1,518 15,070 16,588
CSL 0 2,826 2,826
CSU n/a 10,750 10,750
Stanford n/a 11,783 11,783
Other - Non UC n/a 230,233 230,233
_______ ______ _____
522,237 1,048,482 1,570,719
Average number of records displayed per hour:
12-2 a.m. 1,155 12-2 p.m. 13,720
2-4 a.m. 998 2-4 p.m. 13,634
4-6 a.m. 627 4-6 p.m. 15,184
6-8 a.m. 2,742 6-8 p.m. 11,282
8-10 a.m. 15,030 8-10 p.m. 7,789
10-12 a.m. 12,020 10-12 p.m. 5,640
Total number of Records Displayed 1,570,719
Peak hourly load of 115,397 records displayed occurred on 05/16/01 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 49,152 386,182 41.3% 43.9%
TEN 0 0 0.0% 0.0%
PE 4,170 36,151 4.0% 3.7%
ABI 748 1,232 0.6% 0.7%
BIOSIS 3,439 4,439 3.3% 3.1%
CC databases 9,216 94,739 8.7% 8.2%
CC 9,036 84,212 8.3% 8.1%
CCT 180 10,527 0.4% 0.2%
IAC databases 4,082 41,993 4.2% 3.6%
MAGS 3,574 37,960 3.6% 3.2%
NEWS 416 3,135 0.4% 0.4%
COMP 92 898 0.1% 0.1%
INS databases 4,436 456,353 4.9% 4.0%
INS 3,129 448,884 3.0% 2.8%
INS90 464 2,177 0.7% 0.4%
INS85 277 1,487 0.5% 0.2%
INS80 274 1,253 0.4% 0.2%
INS69 292 2,552 0.4% 0.3%
MED databases 18,461 358,607 18.0% 16.5%
MED 14,701 207,336 12.9% 13.1%
MED90 1,693 35,578 2.2% 1.5%
MED85 762 31,518 1.2% 0.7%
MED80 624 25,580 0.8% 0.6%
MED75 330 22,539 0.5% 0.3%
MED66 351 36,056 0.4% 0.3%
PSYC 4,354 5,807 3.2% 3.9%
OCLC 12,060 14,860 10.0% 10.8%
RLG 1,312 1,293 1.2% 1.2%
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) 20 23 43
GEOREF (Stanford) 28 90 118
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 0 0 0
RLG Eureka 152 154 306
Arizona State University 1 2 3
Boston University 0 0 0
California State Library 0 1 1
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 0 1 1
Cal State Univ., Hayward 8 8 16
Cambridge University, England 0 0 0
CARL 0 4 4
CARL Uncover 6 2 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 2 48 50
DRA LC 0 0 0
Earthquake Engineering Abstracts 1 0 1
FS INFO 0 0 0
Harvard 0 6 6
Library of Congress (LOCIS) 1 7 8
Los Angeles Public Library 0 0 0
National Agricultural Library 1 3 4
NLM AIDSDBS 3 2 5
NLM Databases (Medlars) 1 4 5
Northern Regional Lib Facility 82 37 119
New York Public Library 0 0 0
OCEAN Information Center 0 0 0
OCLC Catalog 1 101 102
OCLC EPIC 0 0 0
Oxford University, England 2 0 2
Princeton 0 0 0
Rensselaer Polytechnic Institute 0 0 0
RLIN 49 94 143
San Francisco State University 0 0 0
San Jose State University 0 0 0
Santa Clara University (OSCAR) 0 0 0
Stanford University 6 54 60
SUNY Buffalo (BISON) 0 1 1
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 62 113 175
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 0 1 1
UCLA ORION 0 0 0
UCSC CRUZCAT 0 1 1
UCSC INFOSLUG 0 0 0
UCSD ROGER 0 1 1
UCSF Catalog 11 0 11
Univ. of Hawaii 0 0 0
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 1 0 1
WRLC 0 0 0
Yale 6 2 8
Other 1 5 6
_______ ______ _____
Total number of USE commands 445 766 1,211
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 2.6
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.1
Standard deviation in seconds 0.6
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 211
SAVE SET 255
RECALL SET 0
DELETE/CLEAR SET 4
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 1,648
1.7.2 REQUEST Commands
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Number of REQUEST Commands 106
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 1 1
_______ ______ _____
0 1 1
1.7.4 Number of UPDATE commands by Database
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CAT 1
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 8
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 0
Number of REDO UPDATE commands 0
Total number of UPDATEs on 05/18/01 3,392
SYSmm/dd sys MELVYL SYSTEM TELNET STATISTICS (weekly)