Re: POC: Cleaning up orphaned files using undo logs

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От Andres Freund
Тема Re: POC: Cleaning up orphaned files using undo logs
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Msg-id 20190203100944.qwcf2ctclf75so7c@alap3.anarazel.de
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Ответ на Re: POC: Cleaning up orphaned files using undo logs  (Thomas Munro <thomas.munro@enterprisedb.com>)
Ответы Re: POC: Cleaning up orphaned files using undo logs  (Thomas Munro <thomas.munro@gmail.com>)
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Hi,

On 2018-12-03 18:43:04 +1300, Thomas Munro wrote:
> 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.

Given this patch has been in waiting for author for ~two months, I'm
unfortunately going to have to mark it as returned with feedback. Please
resubmit once refreshed.

Greetings,

Andres Freund


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