Re: BUG #10329: Could not read block 0 in file "base/56100265/57047884": read only 0 of 8192 bytes

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От Bruce Momjian
Тема Re: BUG #10329: Could not read block 0 in file "base/56100265/57047884": read only 0 of 8192 bytes
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Msg-id 20140515190235.GH25053@momjian.us
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Ответ на Re: BUG #10329: Could not read block 0 in file "base/56100265/57047884": read only 0 of 8192 bytes  (Olivier Macchioni <olivier.macchioni@wingo.ch>)
Ответы Re: BUG #10329: Could not read block 0 in file "base/56100265/57047884": read only 0 of 8192 bytes
Список pgsql-bugs
On Thu, May 15, 2014 at 05:20:35PM +0200, Olivier Macchioni wrote:
> > [...]
> > "hash_idx"?  Is this a hash index?  Those aren't supported for replication
> > purposes (no WAL code :-().
> >
> >             regards, tom lane
>
> Bingo:
>
> xx=# \d ir_translation_src_hash_idx
> Index "public.ir_translation_src_hash_idx"
>  Column |  Type   | Definition
> --------+---------+------------
>  src    | integer | src
> hash, for table "public.ir_translation"
>
>
> (for the record, this is created by the stock version of OpenERP v6)
>
> And it's the only hash index out of 1741 other indexes on my system...
>
> I guess my best bet is to replace it by another kind of indexes... and maybe one day PostgreSQL will be clever enough
toissue a warning / error in such a case for the people like me who don't read *all the doc* :P 
>
> Thanks a lot and sorry for the noise :)

Yes, streaming replication has made our hash indexes even worse.  In the
past, I have suggested we issue a warning for the creation of hash
indexes, but did not get enough agreement.

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + Everyone has their own god. +

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