On 01/28/2016 05:23 PM, drum.lucas@gmail.com wrote:
> Hi there!
>
> I'm running this command: *(Trying to copy a full DB (2TB) from a
> hot-standby server to a master (test) server)*
>
> |ssh postgres@myslaveserver "/usr/pgsql-9.2/bin/pg_dump
> --exclude-table-data='junk.*' -—format=custom
> master_db"|/usr/pgsql-9.2/bin/pg_restore --dbname=master_db_temp
> --exit-on-error —-verbose|
>
> Then, after 3 GB I got this error:
>
> |pg_dump:Dumping the contents
> oftable"invoices"failed:PQgetResult()failed.pg_dump:Error message
> fromserver:ERROR:canceling statement due toconflict withrecovery
> DETAIL:Userwas holding a relation lock fortoo long.pg_dump:The command
> was:COPY dm.invoices
>
(invoice_id,format_version,ts_issue,ts_ack,customer_id,code,tag,account_data,customer_data,invoice_data,invoice_items_data)TOstdout;|
>
> I've tried the pg_dump command even with: "--no-unlogged-table-data"
> option, but it was unsuccessful
> (http://www.postgresql.org/message-id/E1TutDO-0001Hb-2v@wrigleys.postgresql.org)
>
> DB size: 2 TB
>
> How can I solve the problem? What's going on? Thanks
>
Back up everything from the master.
JD
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