| From: | "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com> |
|---|---|
| To: | "Alvaro Herrera" <alvherre(at)commandprompt(dot)com> |
| Cc: | "Gregory Stark" <stark(at)enterprisedb(dot)com>, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, 小波 顾 <guxiaobo1982(at)hotmail(dot)com>, Grzegorz Jaśkiewicz <gryzman(at)gmail(dot)com>, chris(dot)ellis(at)shropshire(dot)gov(dot)uk, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Are there plans to add data compression feature to postgresql? |
| Date: | 2008-10-31 03:15:41 |
| Message-ID: | dcc563d10810302015t58d8a578ra801c2d2e0b1fb88@mail.gmail.com |
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| Lists: | pgsql-general |
On Thu, Oct 30, 2008 at 7:37 PM, Alvaro Herrera
<alvherre(at)commandprompt(dot)com> wrote:
> Scott Marlowe escribió:
>
>> What is the torn page problem? Note I'm no big fan of compressed file
>> systems, but I can't imagine them not working with databases, as I've
>> seen them work quite reliably under exhange server running a db
>> oriented storage subsystem. And I can't imagine them not being
>> invisible to an application, otherwise you'd just be asking for
>> trouble.
>
> Exchange, isn't that the thing that's very prone to corrupted databases?
> I've heard lots of horror stories about that (and also about how you
> have to defragment the database once in a while, so what kind of
> database it really is?)
Sure, bash Microsoft it's easy. But it doesn't address the point, is
a database safe on top of a compressed file system and if not, why?
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