Re: Only first XLogRecData is visible to rm_desc with WAL_DEBUG

Heikki Linnakangas wrote:
> On 03/25/2014 02:13 AM, Alvaro Herrera wrote:

> >You are not.  I would rather have it fixed than removed, if possible.  I
> >don't really care too much about getting a performance hit to palloc the
> >records, really; being able to actually read what's happening is much
> >more useful.
> 
> I find it useful too, but I think pg_xlogdump can serve the same purpose.
> 
> One thing missing from pg_xlogdump is the capability to keep
> tracking the inserted WAL, instead of dumping to the end of WAL and
> stopping there. If we add an option to pg_xlogdump to poll the WAL
> instead of bailing out at an error, I think it's a good replacement.

"tail -f"-style?  If we can make that work I'm okay with removing it
from the backend.

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
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