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Thread Indexing speed
Thu, May 8 2008 5:09 PMPermanent Link

"Jose Eduardo Helminsky"
If I set full compress to *ALL* my indexes the process of indexing should be
slower than without compression ?

Eduardo

Fri, May 9 2008 5:36 AMPermanent Link

"Enrico Ghezzi"
> If I set full compress to *ALL* my indexes the process of indexing should
> be slower than without compression ?

Hi  Eduardo

Good question Smile

i add the comparison for Read Operation and Write Operation.


For Only Read Operation , which is the best index compression method ?
For Read / Write Operation , which is the best index compression method ?




Fri, May 9 2008 2:32 PMPermanent Link

Tim Young [Elevate Software]

Elevate Software, Inc.

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Email timyoung@elevatesoft.com

Eduardo,

<< If I set full compress to *ALL* my indexes the process of indexing should
be slower than without compression ? >>

The speed improvements from compression are primarily geared towards reads
rather than writes, so yes, this is possible.

--
Tim Young
Elevate Software
www.elevatesoft.com

Fri, May 9 2008 2:34 PMPermanent Link

Tim Young [Elevate Software]

Elevate Software, Inc.

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Email timyoung@elevatesoft.com

Enrico,

<< For Only Read Operation , which is the best index compression method ?
For Read / Write Operation , which is the best index compression method ? >>

There is no particular better compression for reads vs. writes.  The best
compression method aims to reduce the amount of I/O, period:

http://www.elevatesoft.com/manual?action=mantopic&id=dbisam4&product=d&version=7&category=2&topic=5

--
Tim Young
Elevate Software
www.elevatesoft.com

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