Re: Hot Issue - Mailing list pgsql-performance

From Gauri Kanekar
Subject Re: Hot Issue
Date
Msg-id 7e4ba9550807020611x3dac7fffw8497d168c7a0e9d8@mail.gmail.com
Whole thread Raw
In response to Re: Hot Issue  (Devrim GÜNDÜZ <devrim@gunduz.org>)
Responses Re: Hot Issue
Re: Hot Issue
List pgsql-performance

How does it indicate if the entries qualify for hot update ??

hot have a limitation that it do not work if, the index column is updated. But that not the case over here.



On Wed, Jul 2, 2008 at 6:38 PM, Devrim GÜNDÜZ <devrim@gunduz.org> wrote:
On Wed, 2008-07-02 at 18:01 +0530, Gauri Kanekar wrote:
> Checked out the performance of Hot on 30th June :
>
>     relname              n_tup_ins   n_tup_upd   n_tup_del
> n_tup_hot_upd
>  n_live_tup   n_dead_tup   *table1* *15509156* *2884653* *0* *2442823*
> *
> 15509158* *68046*  table2 434585 718472 0 642336 434703 16723  table3
> 105546
> 252143 0 233078 105402 4922
<snip>
>
> Checked the performance of Hot on 2nd July :
>
>     relname              n_tup_ins   n_tup_upd   n_tup_del
> n_tup_hot_upd
>  n_live_tup   n_dead_tup   *table1**15577724* *6237242* *0* *2924948*
> *
> 18460676* *131103*  table2 435558 1579613 0 763397 1171497 42476

Maybe those updates were not qualified for HOT between these days?

Regards,
--
Devrim GÜNDÜZ
devrim~gunduz.org, devrim~PostgreSQL.org, devrim.gunduz~linux.org.tr
                  http://www.gunduz.org




--
Regards
Gauri

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