Re: bitmap indexes - performance

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Leonardo F <m_lists(at)yahoo(dot)it>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: bitmap indexes - performance
Date: 2010-07-22 10:54:29
Message-ID: 1279796069.1795.54.camel@ebony
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On Thu, 2010-07-01 at 16:30 +0000, Leonardo F wrote:

> To sum up: IMHO nor improvements in memory usage nor
> in startup time would be good reasons to switch to bitmap
> indexes... but bulk index creation time (10 minutes to index
> what it takes 60 minutes with btree... and maybe more if tables
> are bigger) and (maybe) index disk space might be...
> but I'm not 100% convinced...

Are you intending to work on this for 9.1?

--
Simon Riggs www.2ndQuadrant.com

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