Andres Freund <and...@2ndquadrant.com> writes:
> On 2013-11-14 09:23:20 -0500, Tom Lane wrote:
>> We most certainly *do* discard entries, if they're not open when a cache
>> flush event comes along.
> What I was aiming at is that we don't discard them because of a limited
> cache size. I don't think it means much that we flush the entry when
> it's changed but not referenced.
Well, I don't want non-user-significant events (such as an sinval queue
overrun) causing sequence state to get discarded. We would get bug
reports about lost sequence values.
regards, tom lane
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