Re: Migration from CentOS7 to RedHat 9

Thanks it took 3 hours to complete the restoration. The existing CentOS7
resources were limited as you rightly said about CPU and all. Thanks

On Sun, 11 Aug, 2024, 12:06 am Ron Johnson, <ronljohnsonjr(at)gmail(dot)com> wrote:

> "RHEL9" has almost nothing to do with how fast it will restore. It's all
> about how fast your disk are, number of CPUs, postgresql.conf settings.
>
> And, of course, blobs are slow.
>
> On Sat, Aug 10, 2024 at 9:26 AM Wasim Devale <wasimd60(at)gmail(dot)com> wrote:
>
>> Yes, I used the same command I changed the values for this email. And
>> that particular table with BLOBS took a longer time.
>>
>> I am running a pg_restore now using -j 10 in the command. Please confirm,
>> what you anticipate, will it take same time for restoration on Red Hat 9?
>>
>> Thanks,
>> Wasim
>>
>> On Sat, 10 Aug, 2024, 6:35 pm Ron Johnson, <ronljohnsonjr(at)gmail(dot)com>
>> wrote:
>>
>>> On Sat, Aug 10, 2024 at 7:14 AM Wasim Devale <wasimd60(at)gmail(dot)com> wrote:
>>>
>>>> Hi All
>>>>
>>>> I took dump via pg_dump doing ssh from Red hat it took almost 10 hours
>>>> for 400GB data including 99GB of BLOBS large objects.
>>>>
>>>> ssh postgres(at)ipaddre "pg_dump -U postgres -d DB1 F c -b -v" >
>>>> /path/pg.dump
>>>>
>>>
>>> I see a typo. Is this a copy/paste of what you ran?
>>>
>>> Is this normal?
>>>>
>>>
>>> Maybe. Blobs are slow. I'd have done a multi-threaded pg_dump, though
>>> blobs might be the bottleneck.
>>>
>>> --
>>> Death to America, and butter sauce.
>>> Iraq lobster!
>>>
>>
>
> --
> Death to America, and butter sauce.
> Iraq lobster!
>