| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com> |
| Cc: | Leonardo Francalanci <m_lists(at)yahoo(dot)it>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Simon Riggs <simon(at)2ndquadrant(dot)com>, AlvaroHerrera <alvherre(at)commandprompt(dot)com>, Josh Kupershmidt <schmiddy(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: I: About "Our CLUSTER implementation is pessimal" patch |
| Date: | 2010-10-01 02:20:48 |
| Message-ID: | 7E8F050F-4A82-4D69-9F3F-14FE78054DCC@gmail.com |
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| Lists: | pgsql-hackers |
On Sep 30, 2010, at 9:07 PM, Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com> wrote:
> Hi, Leonardo-san,
>
> On Fri, Oct 1, 2010 at 4:04 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> The wording should be something like "CLUSTER requires transient disk
>> space equal to about twice the size of the table plus its indexes".
>
> Could you merge those discussions into the final patch?
> Also, please check whether my modification broke your patch.
> Thank you.
It sounds like the costing model might need a bit more work before we commit this.
...Robert
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