MELVYL SYSTEM TELNET STATISTICS
Time period: 04/01/99 through 04/30/99
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 36,549 58,522 95,071
Davis 41,930 4,434 46,364
Irvine 28,152 0 28,152
Los Angeles 10,999 30,039 41,038
Riverside 13,319 5,056 18,375
San Diego 5,668 18,667 24,335
San Francisco 24,721 703 25,424
Santa Barbara 13,601 8,123 21,724
Santa Cruz 13,332 8,550 21,882
NRLF 0 0 0
SRLF 0 0 0
LBL 0 3,013 3,013
LLL 0 3,774 3,774
Los Alamos 0 168 168
Other - UC 773 5,735 6,508
CSL 0 1,051 1,051
CSU n/a 2,931 2,931
Stanford n/a 7,573 7,573
Other - Non UC n/a 79,971 79,971
_______ ______ _____
189,044 238,310 427,354
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 26 12-2 p.m. 194
2-4 a.m. 19 2-4 p.m. 219
4-6 a.m. 12 4-6 p.m. 162
6-8 a.m. 16 6-8 p.m. 78
8-10 a.m. 87 8-10 p.m. 60
10-12 a.m. 181 10-12 p.m. 40
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 9128.20
For Non-UC users (hrs:mins) 625.80
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 126,732 173,631 300,363
Davis 130,271 14,392 144,663
Irvine 86,350 0 86,350
Los Angeles 32,636 85,116 117,752
Riverside 42,525 13,310 55,835
San Diego 15,953 47,378 63,331
San Francisco 74,040 1,595 75,635
Santa Barbara 44,815 22,447 67,262
Santa Cruz 43,357 30,149 73,506
NRLF 0 0 0
SRLF 0 0 0
LBL 0 8,625 8,625
LLL 0 10,115 10,115
Los Alamos 0 453 453
Other - UC 945 16,972 17,917
CSL 0 2,193 2,193
CSU n/a 12,980 12,980
Stanford n/a 21,935 21,935
Other - Non UC n/a 333,244 333,244
_______ ______ _____
597,624 794,535 1,392,159
Average number of FIND commands per hour:
12-2 a.m. 247 12-2 p.m. 2,197
2-4 a.m. 173 2-4 p.m. 2,539
4-6 a.m. 96 4-6 p.m. 1,831
6-8 a.m. 181 6-8 p.m. 848
8-10 a.m. 1,045 8-10 p.m. 614
10-12 a.m. 2,049 10-12 p.m. 445
Total number of FIND commands 1,392,159
Peak hourly load of 10,036 FIND commands occurred on 04/14/99 at 1 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 1,199,534 1,918,186 3,117,720
Davis 1,058,911 92,154 1,151,065
Irvine 750,510 0 750,510
Los Angeles 349,293 935,709 1,285,002
Riverside 336,369 131,708 468,077
San Diego 94,598 452,537 547,135
San Francisco 756,657 20,666 777,323
Santa Barbara 398,967 249,869 648,836
Santa Cruz 361,563 253,801 615,364
NRLF 0 0 0
SRLF 0 0 0
LBL 0 97,503 97,503
LLL 0 98,945 98,945
Los Alamos 0 4,473 4,473
Other - UC 7,265 192,094 199,359
CSL 0 13,263 13,263
CSU n/a 139,784 139,784
Stanford n/a 254,655 254,655
Other - Non UC n/a 1,636,103 1,636,103
_______ ______ _____
5,313,667 6,491,450 11,805,117
Average number of records displayed per hour:
12-2 a.m. 3,395 12-2 p.m. 37,042
2-4 a.m. 2,275 2-4 p.m. 43,137
4-6 a.m. 1,466 4-6 p.m. 32,209
6-8 a.m. 3,270 6-8 p.m. 16,262
8-10 a.m. 17,362 8-10 p.m. 12,670
10-12 a.m. 34,337 10-12 p.m. 7,923
Total number of Records Displayed 11,805,117
Peak hourly load of 59,254 records displayed occurred on 04/21/99 at 3 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 605,229 3,767,228 39.4% 43.5%
TEN 1,797 16,631 0.3% 0.1%
PE 48,818 288,165 6.6% 3.5%
ABI 13,365 26,416 0.9% 1.0%
BIOSIS 66,284 93,800 4.2% 4.8%
CC databases 112,802 1,108,165 8.6% 8.1%
CC 110,789 1,035,776 8.2% 8.0%
CCT 2,013 72,389 0.4% 0.1%
IAC databases 125,551 1,367,856 8.6% 9.0%
MAGS 111,952 1,246,073 7.5% 8.0%
NEWS 10,721 91,133 0.9% 0.8%
COMP 2,878 30,650 0.2% 0.2%
INS databases 42,429 326,425 4.1% 3.0%
INS 30,064 253,716 2.6% 2.2%
INS90 4,234 25,432 0.5% 0.3%
INS85 3,156 17,440 0.4% 0.2%
INS80 2,344 12,648 0.3% 0.2%
INS69 2,631 17,189 0.3% 0.2%
MED databases 252,970 2,817,374 19.5% 18.2%
MED 200,676 2,376,441 13.9% 14.4%
MED90 24,365 224,076 2.4% 1.8%
MED85 12,126 95,330 1.4% 0.9%
MED80 7,580 53,715 0.9% 0.5%
MED75 4,698 35,627 0.5% 0.3%
MED66 3,525 32,185 0.4% 0.3%
PSYC 62,776 109,353 3.4% 4.5%
OCLC 42,118 46,298 3.0% 3.0%
RLG 13,255 12,171 1.0% 1.0%
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) 518 656 1,174
GEOREF (Stanford) 698 2,007 2,705
Hispanic American Periodicals Index 0 0 0
OCLC FirstSearch 3,120 3,564 6,684
RLG Eureka 819 731 1,550
Arizona State University 7 12 19
Boston University 7 13 20
California State Library 8 32 40
Cal Poly, San Luis Obispo 0 0 0
Cal State Long Beach 1 7 8
Cal State Univ., Hayward 29 219 248
Cambridge University, England 14 30 44
CARL 4 27 31
CARL Uncover 80 157 237
Chicano/Latino Net Gopher 0 0 0
Claremont College 3 6 9
Cleveland Free-Net 16 185 201
Dartmouth College 3 16 19
DIALOG 10 138 148
DRA LC 16 7 23
Earthquake Engineering Abstracts 0 0 0
FS INFO 37 86 123
Harvard 64 92 156
Library of Congress (LOCIS) 87 447 534
Los Angeles Public Library 116 48 164
National Agricultural Library 58 36 94
NLM AIDSDBS 25 28 53
NLM Databases (Medlars) 116 121 237
Northern Regional Lib Facility 455 190 645
New York Public Library 2 22 24
OCEAN Information Center 0 0 0
OCLC Catalog 42 84 126
OCLC EPIC 0 1 1
Oxford University, England 4 37 41
Princeton 2 13 15
Rensselaer Polytechnic Institute 0 2 2
RLIN 302 345 647
San Francisco State University 2 13 15
San Jose State University 3 17 20
Santa Clara University (OSCAR) 1 4 5
Stanford University 155 572 727
SUNY Buffalo (BISON) 93 31 124
1.3 USE command (continued)
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Number of USE commands issued by system:
Library Remote Total
_______ ______ _____
UCB GLADIS 1,154 1,335 2,489
UCB INFOCAL 0 0 0
UCD Gopher 0 0 0
UCI ANTPAC 136 63 199
UCLA ORION 587 293 880
UCSC CRUZCAT 70 103 173
UCSC INFOSLUG 0 0 0
UCSD ROGER 143 127 270
UCSF Catalog 61 21 82
Univ. of Hawaii 5 10 15
Univ. of Tennessee 0 5 5
Univ. of Michigan 8 28 36
Univ. of New Mexico - Gen. Lib 0 0 0
Univ. of New Mexico 0 0 0
Univ. of Texas, Austin 5 21 26
Virginia Polytechnic Institute 0 7 7
Weather 136 103 239
WRLC 0 8 8
Yale 48 26 74
Other 40 58 98
_______ ______ _____
Total number of USE commands 9,310 12,204 21,494
1.4 Response time
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Search response time from receipt of command at
DLA until transmission of response:
Average in seconds 0.9
Standard deviation in seconds 4.0
Display response time from receipt of command at
DLA until transmission of a complete screen:
Average in seconds 0.2
Standard deviation in seconds 1.5
1.5 Online Publications
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Current Cites 2
DLA Bulletin 5
Mynd of MELVYL 0
1.6 Search SET commands
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FIND SET 2,726
SAVE SET 2,777
RECALL SET 97
DELETE/CLEAR SET 62
1.7 Special Commands
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1.7.1 MAIL Commands
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Number of MAIL Commands 30,521
1.7.2 REQUEST Commands
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Number of REQUEST Commands 2,500
1.7.3 UPDATE Commands
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Number of UPDATE commands issued by location:
Location Library Remote Total
________ _______ ______ _____
Berkeley 9 8 17
Davis 24 1 25
Irvine 9 0 9
Los Angeles 2 10 12
Riverside 1 0 1
San Diego 0 11 11
San Francisco 16 0 16
Santa Barbara 2 2 4
Santa Cruz 1 1 2
NRLF 0 0 0
SRLF 0 0 0
LBL 0 0 0
LLL 0 1 1
Los Alamos 0 0 0
Other - UC 0 3 3
CSL 0 0 0
CSU n/a 0 0
Stanford n/a 4 4
Other - Non UC n/a 9 9
_______ ______ _____
64 50 114
1.7.4 Number of UPDATE commands by Database
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CAT 19
PE 0
TEN 0
CC databases 40
CC 36
CCT 4
IAC databases 16
MAGS 11
NEWS 3
COMP 2
MED 24
INS 2
PSYC 1
ABI 2
BIOSIS 7
1.7.5 Other UPDATE Commands
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Number of RENEW UPDATE commands 419
Number of DELETE UPDATE commands 0
Number of SET UPDATE commands 5
Number of REDO UPDATE commands 1
Total number of UPDATEs on 04/30/99 8,453