AWR report cannot locate the bad SQLs

DB version: 11.2.0.2
Platform: Solaris 10

In our data base RAC 2 nodes, we have patterns of 20 applications. When an application is faced with performance problems, we try to generate AWR for the period in question. But the stats (like bad SQLs) for this scheme to be buried because there is another application SQLs performing even worse.

I know that we cannot create AWR report for specific patterns. But I wonder how his stats are collected in a multi-schema RAC environments that will differentiate between applications.

But the stats (like bad SQLs) for this scheme to be buried because there is another application SQLs performing even worse.

Since all applications run in a database and query of the other application run bad then they will be the first candidate of tunning since these are taking more resources and impact on other application requests.
You can also generate report of ASH for module specific or customer with assistance from under the option set in report of ash.

set target_module_name = ";
set target_action_name = ";
set target_client_id = ";

Tags: Database

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