Re: Feature suggestions for backup and replication

On 11/7/22 16:03, da avory wrote:
> Hi all,
>
> not sure whether this is the right list to ask. I do have two (small!?)
> feature suggestions, both regarding backup and replication, which might
> appeal to a wider audience.
>
> 1) it would be very great to have the option to add a timestamp to all
> lines of output of pg_dump and pg_restore. We regularly do dump/restores
> that take multiple days

Are you using "--jobs=X --format=directory", or old school plain text dumps?

> and this would help immensely to see bottlenecks, time distribution and
> get an overall feel for which steps take how long.

While timestamps would definitely be useful, the --verbose option with
stdout *and* stderr redirected to a file plus some manual effort will answer
your questions.

>
> 2) It would be equally great to be able to retrieve the actual value of
> recovery_min_apply_delay config parameter that is configured on a
> streaming client as a value on the primary (as a field in
> pg_stat_replication). Ideally in a consistent form, i.e. converted to
> seconds or interval. We currently have our ops team monitoring our
> streaming clients in various monitoring views and while we can of course
> see pending transfer and replay volume there is no way to see the intended
> apply_delay without storing it somewhere on the primary (where it will get
> inevitably out of sync with the used value).
>
> Many thanks
>
> Dean

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