| From: | Muhammad Usman Khan <usman(dot)k(at)bitnine(dot)net> |
|---|---|
| To: | Nikhil Shetty <nikhil(dot)dba04(at)gmail(dot)com> |
| Cc: | Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Will there be data loss between slot syncronisation |
| Date: | 2024-10-25 04:31:06 |
| Message-ID: | CAPnRvGv13EDy1m9fLpG8snO7xHim0Ti3D6fdajZDf8DnvUvwTQ@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-admin |
Hi,
Data loss may occur because unsynced slots may not have fully replicated
all the necessary changes from the primary.
On Thu, 24 Oct 2024 at 22:06, Nikhil Shetty <nikhil(dot)dba04(at)gmail(dot)com> wrote:
> Hi Team,
>
> As per documentation for sync_replication_slots:
>
> The nap time of the worker is tuned according to the activity on the
> primary. The slot sync worker waits for some time before the next
> synchronization, with the duration varying based on whether any slots were
> updated during the last cycle.
>
> What happens if there is a long period where the standby slot is not
> synced and there is autofailover? Will there be a data loss?
>
> Thanks,
> Nikhil
>
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