Re: Data Corruption Errors

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От Achilleas Mantzios
Тема Re: Data Corruption Errors
Дата
Msg-id 78ea6e8f-a55b-5724-c86e-723a4e7b9e19@matrix.gatewaynet.com
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Ответ на Data Corruption Errors  ("Ferrell, Denise SDC" <denise.ferrell@sdc-world.com>)
Список pgsql-admin
On 27/9/18 3:39 μ.μ., Ferrell, Denise SDC wrote:
> Using Linux/PostgreSQL 9.5 &  setup on a VM.
>
> I'm receiving the following errors during an insert using a function but this does not happen every time.  When this
doesoccur the database/system is unavailable until the processes are killed or the service is restarted.
 
>
> "LOG:  server process (PID xxxxx) was terminated by signal 9:  Killed
> DETAIL: Failed process was running
>     select insert_data ($1, $2,....)
> WARNING:  terminating connection because of crash of another server process
> DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because
anotherserver process exited abnormally and possibly corrupted shared memory.
 
> HINT:  In a moment you should be able to reconnect ....
> LOG:  connection received
> FATAL:  the database system is in recovery mode"

Did your DB eventually recover? Have you ruled reasons like OOM, non-optimal vm.swapiness , etc ?

>
> The last 2 lines are repeated and logging is not available.
>                  
> How can I determine data/table/shared memory corruption?
>
> Thank you in advance for your responses.
>
> D. Ferrell


-- 
Achilleas Mantzios
IT DEV Lead
IT DEPT
Dynacom Tankers Mgmt



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