MELVYL SYSTEM Z39.50 SERVER STATISTICS
Time period: 03/01/02 through 03/31/02
1.0 GENERAL STATISTICS (includes all databases)
________________________________________________
1.1 System load
________________
1.1.1 Total sessions:
______________________
Location Total
________ _____
Melvyl Web 624,167
Searchlight 122,961
Berkeley 2,305
Davis 2,875
Irvine 943
Los Angeles 1,486
Riverside 311
San Diego 1,203
San Francisco 682
Santa Barbara 769
Santa Cruz 345
NRLF 0
SRLF 0
LBL 324
LLL 244
Los Alamos 3
Other - UC 10,440
CSL 0
CSU 744
Stanford 497
Other - Non UC 250,014
_____
1,020,313
1.1.2 Active users
___________________
Average number of active users in a 2 minute interval:
12-2 a.m. 89 12-2 p.m. 267
2-4 a.m. 46 2-4 p.m. 315
4-6 a.m. 35 4-6 p.m. 327
6-8 a.m. 63 6-8 p.m. 213
8-10 a.m. 167 8-10 p.m. 181
10-12 a.m. 306 10-12 p.m. 160
Total connect hours for MELVYL MEDLINE:
For UC users (hrs:mins) 0.00
For Non-UC users (hrs:mins) 0.00
1.1.3 FIND commands
____________________
Number of FIND commands issued by location:
Location Total
________ _____
Melvyl Web 979,280
Searchlight 92,598
Berkeley 5,056
Davis 5,747
Irvine 1,230
Los Angeles 2,715
Riverside 798
San Diego 2,161
San Francisco 1,121
Santa Barbara 1,625
Santa Cruz 1,018
NRLF 0
SRLF 0
LBL 487
LLL 764
Los Alamos 0
Other - UC 13,219
CSL 0
CSU 1,279
Stanford 496
Other - Non UC 301,674
_____
1,411,268
Average number of FIND commands per hour:
12-2 a.m. 953 12-2 p.m. 2,009
2-4 a.m. 560 2-4 p.m. 2,341
4-6 a.m. 499 4-6 p.m. 2,282
6-8 a.m. 793 6-8 p.m. 1,510
8-10 a.m. 1,510 8-10 p.m. 1,255
10-12 a.m. 2,329 10-12 p.m. 1,257
Total number of FIND commands
Peak hourly load of 6,816 FIND commands occurred on 03/06/02 at 11 am
1.1.4 Records Displayed
________________________
Number of Records Displayed by location:
Location Total
________ _____
Melvyl Web 28,117,809
Searchlight 179,753
Berkeley 50,698
Davis 93,002
Irvine 16,734
Los Angeles 79,818
Riverside 13,726
San Diego 21,752
San Francisco 8,805
Santa Barbara 21,323
Santa Cruz 9,883
NRLF 0
SRLF 0
LBL 11,746
LLL 11,615
Los Alamos 0
Other - UC 136,371
CSL 0
CSU 24,451
Stanford 5,774
Other - Non UC 2,301,028
_____
31,104,288
Average number of records displayed per hour:
12-2 a.m. 12,591 12-2 p.m. 40,374
2-4 a.m. 5,677 2-4 p.m. 47,624
4-6 a.m. 4,479 4-6 p.m. 46,527
6-8 a.m. 8,226 6-8 p.m. 30,018
8-10 a.m. 25,532 8-10 p.m. 27,286
10-12 a.m. 45,532 10-12 p.m. 22,485
Total number of Records Displayed
Peak hourly load of 135,146 records displayed occurred on 03/06/02 at 11 am
1.2 Relative Use of Databases
______________________________
Number of Number of % of System
Database FIND Commands Records Displayed Searches
________ _____________ _________________ ___________
CAT 659,560 15,113,336 46.7%
TEN 0 0 0.0%
PE 273,873 4,131,229 19.4%
ABI 17,699 83,069 1.3%
BIOSIS 80,819 563,706 5.7%
CC 57,902 983,195 4.1%
IAC databases 125,395 3,431,123 8.9%
MAGS 105,018 3,241,860 7.4%
NEWS 14,201 150,994 1.0%
COMP 6,176 38,269 0.4%
INS databases 96,617 1,785,463 6.8%
INS 44,190 1,500,234 3.1%
INS90 15,077 109,972 1.1%
INS85 12,886 65,780 0.9%
INS80 12,033 40,345 0.9%
INS69 12,431 69,132 0.9%
MED databases 0 0 0.0%
MED 0 0 0.0%
MED90 0 0 0.0%
MED85 0 0 0.0%
MED80 0 0 0.0%
MED75 0 0 0.0%
MED66 0 0 0.0%
PSYC 83,917 654,504 5.9%.
1.3 Response time
__________________
Search response time from receipt of search request
at CDL until transmission of search response:
Average in seconds 0.7
Standard deviation in seconds 6.4
Present response time from receipt of present request
at CDL until transmission of present response:
Average in seconds 0.3
Standard deviation in seconds 2.0.
SSMmm/yy srv.sys MELVYL SYSTEM Z39.50 SERVER STATISTICS (monthly)