MELVYL SYSTEM Z39.50 SERVER STATISTICS
Time period: 10/01/01 through 10/31/01
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 Total
________ _____
Melvyl Web 0
Searchlight 111,120
Berkeley 3,230
Davis 4,389
Irvine 1,214
Los Angeles 2,914
Riverside 560
San Diego 1,696
San Francisco 2,661
Santa Barbara 1,230
Santa Cruz 531
NRLF 0
SRLF 0
LBL 265
LLL 157
Los Alamos 14
Other - UC 948,139
CSL 0
CSU 937
Stanford 955
Other - Non UC 269,153
_____
1,349,165
1.1.2 Active users
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Average number of active users in a 2 minute interval:
12-2 a.m. 99 12-2 p.m. 324
2-4 a.m. 41 2-4 p.m. 367
4-6 a.m. 29 4-6 p.m. 335
6-8 a.m. 58 6-8 p.m. 260
8-10 a.m. 185 8-10 p.m. 232
10-12 a.m. 312 10-12 p.m. 183
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 12304.07
For Non-UC users (hrs:mins) 202.20
1.1.3 FIND commands
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Number of FIND commands issued by location:
Location Total
________ _____
Melvyl Web 0
Searchlight 110,965
Berkeley 8,320
Davis 8,615
Irvine 2,075
Los Angeles 6,907
Riverside 792
San Diego 3,815
San Francisco 4,898
Santa Barbara 2,600
Santa Cruz 1,235
NRLF 0
SRLF 0
LBL 557
LLL 266
Los Alamos 49
Other - UC 1,359,912
CSL 0
CSU 1,080
Stanford 1,426
Other - Non UC 370,266
_____
1,883,778
Average number of FIND commands per hour:
12-2 a.m. 1,340 12-2 p.m. 2,434
2-4 a.m. 946 2-4 p.m. 2,624
4-6 a.m. 565 4-6 p.m. 2,317
6-8 a.m. 749 6-8 p.m. 1,922
8-10 a.m. 1,592 8-10 p.m. 1,835
10-12 a.m. 2,413 10-12 p.m. 1,664
Total number of FIND commands
Peak hourly load of 6,564 FIND commands occurred on 10/08/01 at 8 pm
1.1.4 Records Displayed
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Number of Records Displayed by location:
Location Total
________ _____
Melvyl Web 0
Searchlight 0
Berkeley 665,106
Davis 125,236
Irvine 18,219
Los Angeles 66,432
Riverside 21,125
San Diego 40,403
San Francisco 110,675
Santa Barbara 30,286
Santa Cruz 11,292
NRLF 0
SRLF 0
LBL 6,934
LLL 8,748
Los Alamos 319
Other - UC 40,995,600
CSL 0
CSU 12,071
Stanford 17,683
Other - Non UC 2,584,913
_____
44,715,042
Average number of records displayed per hour:
12-2 a.m. 17,857 12-2 p.m. 56,204
2-4 a.m. 8,499 2-4 p.m. 63,168
4-6 a.m. 5,518 4-6 p.m. 57,909
6-8 a.m. 10,395 6-8 p.m. 46,843
8-10 a.m. 33,500 8-10 p.m. 43,593
10-12 a.m. 51,022 10-12 p.m. 32,977
Total number of Records Displayed
Peak hourly load of 213,396 records displayed occurred on 10/03/01 at 6 pm
1.2 Relative Use of Databases
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Number of Number of % of System
Database FIND Commands Records Displayed Searches
________ _____________ _________________ ___________
CAT 789,271 16,059,774 41.9%
TEN 0 0 0.0%
PE 242,541 4,103,281 12.9%
ABI 21,662 112,671 1.1%
BIOSIS 84,938 544,813 4.5%
CC 65,756 1,144,923 3.5%
IAC databases 154,391 3,998,764 8.2%
MAGS 130,746 3,787,875 6.9%
NEWS 16,192 149,765 0.9%
COMP 7,453 61,124 0.4%
INS databases 100,505 1,924,955 5.3%
INS 45,738 1,660,464 2.4%
INS90 15,670 113,142 0.8%
INS85 13,507 54,941 0.7%
INS80 12,604 37,785 0.7%
INS69 12,986 58,623 0.7%
MED databases 298,978 10,622,536 15.9%
MED 172,699 9,436,072 9.2%
MED90 33,689 720,405 1.8%
MED85 25,950 213,929 1.4%
MED80 22,962 104,242 1.2%
MED75 21,700 72,626 1.2%
MED66 21,978 75,262 1.2%
PSYC 106,137 819,724 5.6%.
1.3 Response time
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Search response time from receipt of search request
at CDL until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 5.9
Present response time from receipt of present request
at CDL until transmission of present response:
Average in seconds 0.4
Standard deviation in seconds 5.4.
SSMmm/yy srv.sys MELVYL SYSTEM Z39.50 SERVER STATISTICS (monthly)