Re: Disk filling, CPU filling, renegade inserts and deletes?

Поиск
Список
Период
Сортировка
От Richard Plotkin
Тема Re: Disk filling, CPU filling, renegade inserts and deletes?
Дата
Msg-id 2dc4db3fb0cb69c0dec1440acd5c1ceb@richardplotkin.com
обсуждение исходный текст
Ответ на Re: Disk filling, CPU filling, renegade inserts and deletes?  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-performance
Hi Tom,

Thanks!  That's exactly what it was.  There was a discrepancy in the
data that turned this into an endless loop.  Everything has been
running smoothly since I made a change.

Thanks so much,
Richard

On Apr 23, 2005, at 12:50 PM, Tom Lane wrote:

> Richard Plotkin <richard@richardplotkin.com> writes:
>> Thanks for your responses this morning.  I did the select relname, and
>> it returned 0 rows.  I do have one function that creates a temp table
>> and fills it within the same transaction.  I'm pasting it below.
>> Perhaps the "ON COMMIT DROP" is causing problems, and I need to drop
>> the table at the end of the function instead of using ON COMMIT DROP?
>
> Well, I think we can conclude that the function is pushing way more
> data into the temp table than you expect.  I am wondering if that loop
> in the middle of the function is turning into an infinite loop ---
> could
> it be finding some sort of cycle in your page data?  You might want to
> add some RAISE NOTICE commands to the loop so you can track what it's
> doing.
>
>             regards, tom lane
>


В списке pgsql-performance по дате отправления:

Предыдущее
От: "Jim C. Nasby"
Дата:
Сообщение: Re: Sort and index
Следующее
От: Tom Lane
Дата:
Сообщение: Re: [HACKERS] Bad n_distinct estimation; hacks suggested?