On Mon, Sep 19, 2022 at 8:19 PM Ashutosh Sharma <ashu.coe...@gmail.com> wrote:
>
> Hi All,
>
> Currently, we have pg_current_wal_insert_lsn and pg_walfile_name sql
> functions which gives us information about the next wal insert
> location and the WAL file that the next wal insert location belongs
> to. Can we have a binary version of these sql functions?

+1 for the idea in general.

As said, pg_waldump seems to be the right candidate. I think we want
the lsn of the last WAL record and its info and the WAL file name
given an input data directory or just the pg_wal directory or any
directory where WAL files are located. For instance, one can use this
on an archive location containing archived WAL files or on a node
where pg_receivewal is receiving WAL files. Am I missing any other
use-cases?

pg_waldump currently can't understand compressed and partial files. I
think that we need to fix this as well.

-- 
Bharath Rupireddy
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com


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