Re: Hard limit on WAL space used (because PANIC sucks)

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От Heikki Linnakangas
Тема Re: Hard limit on WAL space used (because PANIC sucks)
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Msg-id 52DFB623.8080206@vmware.com
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Ответ на Re: Hard limit on WAL space used (because PANIC sucks)  (Simon Riggs <simon@2ndQuadrant.com>)
Ответы Re: Hard limit on WAL space used (because PANIC sucks)  (Simon Riggs <simon@2ndQuadrant.com>)
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On 01/22/2014 02:10 PM, Simon Riggs wrote:
> As Jeff points out, the blocks being modified would be locked until
> space is freed up. Which could make other users wait. The code
> required to avoid that wait would be complex and not worth any
> overhead.

Checkpoint also acquires the content lock of every dirty page in the 
buffer cache...

- Heikki

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