What are dirty pages?

Interview Questions

1. What are dirty pages?

When a page is read from disk into memory it is regarded as a clean page because it’s exactly the same as its counterpart on the disk. However, once the page has been modified in memory it is marked as a dirty page.

A dirty page is simply a page that has changed in memory since it was loaded from disk and is now different from the on-disk page.

By Hena Parveen 2 0

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