Re: Urgent!

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От Bruce Momjian
Тема Re: Urgent!
Дата
Msg-id 200510131556.j9DFumT03567@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: Urgent!  ("codeWarrior" <gpatnude@hotmail.com>)
Ответы Re: Urgent!  (Scott Marlowe <smarlowe@g2switchworks.com>)
Re: Urgent!  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-admin
codeWarrior wrote:
> Lookas as if you've managed to turn off your computer mid-transaction
> thereby corrupting the postgreSQL commit logs (pg_clog)...
>
> You should never just turn off a database server... always shut it down
> normally... Turning it off was a major mistake. I dont know if you can
> recover or not as the system (postgreSQL) now thinks it is in the middle of
> a transaction...

PostgreSQL should never get corrupted by turning off the server.  It
isn't ideal to do that, but it should not get corrupted.

---------------------------------------------------------------------------


>
> As far as recovery goes... You might try a vacuum full and pg_resetxlog
> (search the postgreSQL docs for pg_resetxlog)... Other than that you might
> need to get Tom Lane's attention on this one...
>
>
>
> ""Nirav Parikh"" <nirav.p@workskillsprofessionals.com.au> wrote in message
> news:221385EC3F18A44DB0925467A1D2395F38FB07@exsrv3.workskillsprofessionals.com.au...
> Hi,
>
> I got this error message when I tried to do pg_dump on the database.
>
> pg_dump: ERROR:  invalid memory alloc request size 4294967293
> pg_dump: SQL command to dump the contents of table "wordlist" failed:
> PQendcopy() failed.
> pg_dump: Error message from server: ERROR:  invalid memory alloc request
> size 4294967293
> pg_dump: The command was: COPY public.wordlist (word_id, word, count_word)
> TO stdout;
>
> I went to phppgadmin and try to access the worldlist table and it also gives
> me following error message:
>
> ERROR:  could not access status of transaction 6849340
> DETAIL:  could not open file "/var/lib/pgsql/data/pg_clog/0006": No such
> file or directory
>
> In statement:
> SELECT COUNT(*) AS total FROM (SELECT "oid", * FROM "public"."wordlist") AS
> sub
>
>  CPU was heating up so I turn off the computer and to fix the problem and
> after that this occour. I don't know if this has anything to with database
> corruption.
>
> This is production server and I don't have latest backup does anyone how to
> resolve this.
>
> Please Help
>
> Regards,
>
> Nirav Parikh
>
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster
>

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

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