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Re: Are there plans to add data compression feature to postgresql? - Mailing list pgsql-general

From Gregory Stark
Subject Re: Are there plans to add data compression feature to postgresql?
Date
Msg-id 8763n9bv4p.fsf@oxford.xeocode.com
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In response to Re: Are there plans to add data compression feature to postgresql?  ("Scott Marlowe" <scott.marlowe@gmail.com>)
Responses Re: Are there plans to add data compression feature to postgresql?  ("Scott Marlowe" <scott.marlowe@gmail.com>)
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"Scott Marlowe" <scott.marlowe@gmail.com> writes:

> I'm sure this makes for a nice brochure or power point presentation,
> but in the real world I can't imagine putting that much effort into it
> when compressed file systems seem the place to be doing this.

I can't really see trusting Postgres on a filesystem that felt free to
compress portions of it. Would the filesystem still be able to guarantee that
torn pages won't "tear" across adjacent blocks? What about torn pages that
included hint bits being set?

--
  Gregory Stark
  EnterpriseDB          http://www.enterprisedb.com
  Ask me about EnterpriseDB's PostGIS support!

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