Re: Changing checkpoint_timeout to another name?

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От Joshua D. Drake
Тема Re: Changing checkpoint_timeout to another name?
Дата
Msg-id 465F547F.9050904@commandprompt.com
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Ответ на Re: Changing checkpoint_timeout to another name?  (Bruce Momjian <bruce@momjian.us>)
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Bruce Momjian wrote:
> Joshua D. Drake wrote:
>> Joshua D. Drake wrote:
>>> Hello,
>>>
>>> I am currently writing some curriculum on managing IO with PostgreSQL 
>>> and I keep running into the parameter checkpolint_timeout.
>> *cough* checkpoint_timeout
>>
>>   This seems to
>>> be incorrect as it is not really a timeout as much as an interval...
> 
> It is a timeout because of WAL fills up before the timeout you get a
> checkpoint and the timer is reset.  How is it an interval?

because if it doesn't, it will checkpoint at that timeout which is an 
interval :). It depends on how you look at it I guess. For me, I try to 
make sure we are never rolling our logs until checkpoint, so it is an 
interval.

Joshua D. Drake


> 


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