Dennis Kennedy

Cleveland, OH 44125
[email protected]


The MSSample Program

Recording the Network and SQL Speed for the SQL Servers



OVERVIEW

MSSample is a Sampling Program written to test the speed
of a simulated View for SQL Connectivity and Tif Image Viewing.
As a result, it Primarily Tests and Records the Network Speed (and, Potential Bottlenecks).
It also offers Optimum Times to Directly Compare with MSView.
It is called by dkTimer to run on a few computers once every ten (10) minutes
and store it's totals in the MSSample database.

The database currently contains 11 MRN's (one for each server) allowing the program
to Query to find the correct Home Server, get an Encounter and count and transfer
the total number of Tif Images associated with that Encounter.
It reports the Totals to the database, as well as the details of the speed of
the Login, the Selects and the transfer of Tif Images for each of the 11 servers.
The Most Significant Test is the Time that it requires for the transfer of the Tif Images
from the Home Server to the Local Computer.

MSSample uses VBSQL (16-bit) and DB32 (32-bit) SQL Connectivity Calls.
MSSample makes a New SQL Connection for each use, requiring a new SQL Login.

CURRENTLY CHOSEN MRN's and Encounters:

Server: MRN: EncNo: TifCount:
server1 12345678 1234567890AB 6
server2 12345678 1234567890AB 4
server3 12345678 1234567890AB 6
server4 12345678 1234567890AB 6
server5 12345678 1234567890AB 4
server6 12345678 1234567890AB 4
server7 12345678 1234567890AB 10
server8 12345678 1234567890AB 6
server9 12345678 1234567890AB 4
server10 12345678 1234567890AB 6
server11 12345678 1234567890AB 6

MSSAMPLE SAMPLING TOTALS

Record Cut-Off: Friday, 11/14/97 9:30 AM
11/6/97, 1:00 PM to 11/14/97, 3:00 PM
Seconds Count Percentage
TOTAL RECORDS TESTED:   45313 100.000
TOTALS UNDER FIVE (5) SECONDS:
LOGIN:   45259 99.881
SELECTS:   45294 99.958
TIF IMAGES:   44475 98.151
COMBINED LOGIN, SELECTS AND TIF IMAGE TRANSFERS:
TOTALS UNDER 15 SECONDS:   44426 98.043
AVERAGE TIME: 2.382
TIF IMAGE TRANSFERS:
AVERAGE TIME (ALL IMAGES): 1.875
MAXIMUM TIME (ALL IMAGES): 30.492
TOTALS UNDER 5 SECONDS (ALL IMAGES):   44475 98.151
TOTALS UNDER 10 SECONDS (ALL IMAGES): 716 45191 99.731
TOTALS UNDER 15 SECONDS (ALL IMAGES): 99 45290 99.949
TOTALS UNDER 20 SECONDS (ALL IMAGES): 11 45301 99.974
TOTALS UNDER 25 SECONDS (ALL IMAGES): 6 45307 99.987
TOTALS OVER 25 SECONDS (ALL IMAGES): 6 45313 100.000
TOTALS UNDER 15 SECONDS (FIRST IMAGE): 45313 45313 100.000
NOTE: Most Higher Times occur during the first half hour of the ADSM Backups

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