Re: pg_dump of database with numerous objects

On 5/31/20 1:13 PM, Christophe Pettus wrote:
> 
> 
>> On May 31, 2020, at 13:10, tony@exquisiteimages.com wrote:
>>
>> On 2020-05-31 13:08, Christophe Pettus wrote:
>>>> On May 31, 2020, at 08:05, tony@exquisiteimages.com wrote:
>>>> My pg_class table contains 9,000,000 entries and I have 9004 schema.
>>> Which version of pg_dump are you running?  Older versions (don't have
>>> the precise major version in front of me) have N^2 behavior on the
>>> number of database objects being dumped.
>>
>> I am upgrading from 9.3
> 
> To which version?  You might try the dump with the version of pg_dump corresponding to the PostgreSQL version you are
upgrading*to* (which is recommended practice, anyway) to see if that improves matters.
 

Just a reminder that the OP's original issue was with using pg_upgrade.


> 
> --
> -- Christophe Pettus
>     xof@thebuild.com
> 
> 
> 


-- 
Adrian Klaver
adrian.klaver@aklaver.com