| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
| Cc: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Amit Khandekar <amitdkhan(dot)pg(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: logical decoding : exceeded maxAllocatedDescs for .spill files |
| Date: | 2019-09-12 18:34:01 |
| Message-ID: | 20190912183401.2yzfdxjmfycrdb3h@alap3.anarazel.de |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Hi,
On 2019-09-12 09:57:55 -0300, Alvaro Herrera wrote:
> On 2019-Sep-12, Tomas Vondra wrote:
>
> > On Wed, Sep 11, 2019 at 09:51:40AM -0300, Alvaro Herrera from 2ndQuadrant wrote:
> > > On 2019-Sep-11, Amit Khandekar wrote:
>
> > > I think doing this all the time would make restore very slow -- there's a
> > > reason we keep the files open, after all.
> >
> > How much slower? It certainly will have a hit, but maybe it's negligible
> > compared to all the other stuff happening in this code?
I'd expect it to be significant.
> > As a sidenote - in the other thread about streaming, one of the patches
> > does change how we log subxact assignments. In the end, this allows using
> > just a single file for the top-level transaction, instead of having one
> > file per subxact. That would also solve this.
Uhm, how is rollback to savepoint going to be handled in that case? I
don't think it's great to just retain space for all rolled back
subtransactions.
Greetings,
Andres Freund
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Peter Geoghegan | 2019-09-12 18:35:25 | Re: Create collation reporting the ICU locale display name |
| Previous Message | Andres Freund | 2019-09-12 18:31:37 | Re: logical decoding : exceeded maxAllocatedDescs for .spill files |