Jeff Janes <[email protected]> writes:
> On Tue, Dec 3, 2013 at 11:39 PM, Claudio Freire <[email protected]>wrote:
>> Problem is, Postgres relies on a working kernel cache for checkpoints.
>> Checkpoint logic would have to be heavily reworked to account for an
>> impaired kernel cache.
> I don't think it would need anything more than a sorted checkpoint.
Nonsense. We don't have access to the physical-disk-layout information
needed to do reasonable sorting; to say nothing of doing something
intelligent in a multi-spindle environment, or whenever any other I/O
is going on concurrently.
regards, tom lane
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