On 20 Dec 2010, at 5:33pm, Vander Clock Stephane wrote:

> so what the difference between the sqlite3 cache and the OS cache ?

SQLite caches a number of database pages.

Your operating system has its own caching.  This depends on which OS you're 
using, and how it thinks it's addressing your data.  For further details, do 
research on a site of the company that provides your OS.

Your computer hardware, also, has many levels of caching: your hard disk drive 
probably has onboard caching; your motherboard has a cache; your processor chip 
also has caching.

Simon.
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