> I'm not sure to understand. Why is the page entry density more dense if
> you compress individual entries ? Assuming I have a 4k page with 1000
> compressed entries, why would it be more dense than a 8k page in memory,
> 4k page on disk containing 1000 entries ? I must be missing something
> important here.
In your example case you're using twice the in-memory cache to
store the same number of keys in memory -- 8K vs. 4K, so, by
compressing individual entries you double the effectiveness of
your cache.
Regards,
--keith
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Keith Bostic
Sleepycat Software Inc. [EMAIL PROTECTED]
394 E. Riding Dr. +1-978-287-4781
Carlisle, MA 01741-1601 http://www.sleepycat.com
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