Get full access to Oracle Database 11gR2 Performance Tuning Cookbook and 60K+ other titles, with a free 10-day trial of O'Reilly.

There are also live events, courses curated by job role, and more.

Start your free trial

V$SHARED_POOL_RESERVED

This view displays statistics useful in tuning the shared pool.

Fields

The most relevant view fields are as follows:

FREE_SPACE: The amount of free space on the reserved list
USED_SPACE: The amount of used memory on the reserved list
REQUESTS: The number of times that the reserved list was searched for a free piece of memory
REQUEST_MISSES: The number of times the reserved list did not have a free piece of memory to satisfy the request, and started flushing objects from the LRU list
REQUEST_FAILURES: The number of times that no memory was found to satisfy a request

Get Oracle Database 11gR2 Performance Tuning Cookbook now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial

Don’t leave empty-handed

Get Mark Richards’s Software Architecture Patterns ebook to better understand how to design components—and how they should interact.

It’s yours, free.

Get it now

Check it out now on O’Reilly

Dive in for free with a 10-day trial of the O’Reilly learning platform—then explore all the other resources our members count on to build skills and solve problems every day.

Start your free trial Become a member now