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Re: How to know detailed information about HOT(Heap-Only Tuples)? - Mailing list pgsql-general

From Adrian Klaver
Subject Re: How to know detailed information about HOT(Heap-Only Tuples)?
Date
Msg-id 52161383.10301@gmail.com
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In response to How to know detailed information about HOT(Heap-Only Tuples)?  (高健 <luckyjackgao@gmail.com>)
Responses Re: How to know detailed information about HOT(Heap-Only Tuples)?  (高健 <luckyjackgao@gmail.com>)
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On 08/21/2013 07:20 PM, 高健 wrote:
> Hi:
>
> I have heard that Heap-Only Tuples is introduce from 8.3.
> And I  am searching information for it.
>
> How can I get a  detailed information of HOT?

http://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/backend/access/heap/README.HOT;hb=HEAD

> For example:
> according to  a table, How many tuples are heap only tuples , and how
> many are not?
>
> And also , Is there any options which can influence HOT occurrance?
>
> Best Regards


--
Adrian Klaver
adrian.klaver@gmail.com

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