RE: Reloads and Invalids - Check and Avoid
Date: Mon, 15 Mar 2010 09:48:43 -0700
There may be more advanced methods, but here are a few basic ways to reduce reloads and invalidations:
Reloads - either increase the size of your shared pool, or decrease the number of distinct SQL statements in order to reduce the load on your shared pool; consider using bind variables where appropriate to promote sharing of cursors
Invalidations - minimize changes to your database objects, changes to permissions, and updating statistics during busy times as these activities will cause all dependent cursors to be invalidated (note that in 10g+ dbms_stats.auto_invalidate may reduce the amount of invalidations from updating stats).
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