# pg\_buffercache

Refer to the [Documentation](https://www.postgresql.org/docs/current/pgbuffercache.html) for more information

## **About**

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This extension is **OPTIONAL.**\
Datasentinel will automatically consider it if it is installed
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To be installed in every existing database.
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Once installed, you gain immediate access to shared buffer contents for either the entire cluster or a chosen database. 

This is facilitated in real-time through the [Live360 module](https://docs.datasentinel.io/manual/features/key-features/live360#cache-usage) within Datasentinel.