On 8/21/19 4:16 PM, Tom Lane wrote:
> Andrew Dunstan <andrew.dunstan@2ndquadrant.com> writes:
>> What I have done quickly is to store a measure of the clock skew. We
>> already calculated it but we didn't store it. Initial indications are
>> that only a few have significant skew.
> Oh, I didn't know that the server had the ability to measure that.
>
> (Yes, I agree that there are just a couple with big skews at any
> one time.)
>
>> Still, if we simply added the skew to the snapshot time that might be
>> enough to achieve what you want. That would be a one line change, I think.
> +1
>
>
Done. It's only happening prospectively, so we'll need to wait a few
days to see it flow through.
cheers
andrew
--
Andrew Dunstan https://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
