Applications Systems

Turn on SQL stats limited in DPA

DPA by default collects stats on all SQL statement that have been seen as active on the monitored instance. This article will tell how to limit DPA to only collect a limited number of stats. Limiting to the top number of rows of SQL statements when those statements are ranked by wait time.

First published date

11/29/2018 11:00 PM

Last published date

11/29/2018 11:00 PM

Overview

DPA by default collects stats on all SQL statements that have been seen as active on the monitored instance. This article describes how to configure DPA to collect only a limited number of stats. Limiting to the top number of rows of SQL statements when those statements are ranked by wait time.

Product section

Database Performance Analyzer

Resolution

Go to Options > Administration tab > Advanced options > DB Instance options tab.
Select Support Options.
Select an instance you want to limit stats for from the drop down menu.
Scroll down to find SQLSTATS_LIMITED. This option determines if limited stats are collected from the monitored database based on wait time.
Set this value to true.
Set the value for the following setting to determine the number of stats rows to collect:
SQLSTATS_LIMITED_ROWS
(The default value is 10,000.)

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