Re: POC: Cleaning up orphaned files using undo logs

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От Thomas Munro
Тема Re: POC: Cleaning up orphaned files using undo logs
Дата
Msg-id CAEepm=2VtSx18crik1PH2X6Z13GPAb8te4BB8CCw_SvY8JKgPw@mail.gmail.com
обсуждение исходный текст
Ответ на Re: POC: Cleaning up orphaned files using undo logs  (Dmitry Dolgov <9erthalion6@gmail.com>)
Ответы Re: POC: Cleaning up orphaned files using undo logs  (Andres Freund <andres@anarazel.de>)
Список pgsql-hackers
On Sat, Dec 1, 2018 at 5:12 AM Dmitry Dolgov <9erthalion6@gmail.com> wrote:
> > On Thu, Nov 8, 2018 at 4:03 AM Thomas Munro <thomas.munro@enterprisedb.com> wrote:
> > On Tue, Nov 6, 2018 at 12:42 AM Kuntal Ghosh <kuntalghosh.2007@gmail.com> wrote:
> > > On Thu, Nov 1, 2018 at 8:53 AM Thomas Munro
> > > <thomas.munro@enterprisedb.com> wrote:
> > > > It passes make check on Unix and Windows, though currently it's
> > > > failing some of the TAP tests for reasons I'm looking into (possibly
> > > > due to bugs in the lower level patches, not sure).
> > > >
> > > I looked into the regression failures when the tap-tests are enabled.
> > > It seems that we're not estimating and allocating the shared memory
> > > for rollback-hash tables correctly. I've added a patch to fix the
> > > same.
> >
> > Thanks Kuntal.
>
> Thanks for the patch,
>
> Unfortunately, cfbot complains about these patches and can't apply them for
> some reason, so I did this manually to check it out. All of them (including the
> fix from Kuntal) were applied without conflicts, but compilation stopped here
>
> undoinsert.c: In function ‘UndoRecordAllocateMulti’:
> undoinsert.c:547:18: error: ‘urec’ may be used uninitialized in this
> function [-Werror=maybe-uninitialized]
>    urec->uur_info = 0;  /* force recomputation of info bits */
>    ~~~~~~~~~~~~~~~^~~
>
> Could you please post a fixed version of the patch?

Sorry for my silence... I got stuck on a design problem with the lower
level undo log management code that I'm now close to having figured
out.  I'll have a new patch soon.

--
Thomas Munro
http://www.enterprisedb.com


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