| From: | Julien Rouhaud <julien(dot)rouhaud(at)dalibo(dot)com> |
|---|---|
| To: | "Yi, Yi" <yiy(at)cn(dot)fujitsu(dot)com>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Confused by the behavior of pg_basebackup with replication slot |
| Date: | 2016-03-19 15:01:24 |
| Message-ID: | 56ED69C4.5090900@dalibo.com |
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| Thread: | |
| Lists: | pgsql-general |
On 19/03/2016 15:58, Julien Rouhaud wrote:
> Hello,
>
> On 19/03/2016 15:41, Yi, Yi wrote:
>> Hello,
>>
>> I had an issue with the behavior of pg_basebackup command. I was convinced previously that pg_basebackup command always made the binary copy of the database cluster files of the postgres master. However, I recently noticed that pg_basebackup did not copy the the replication slot object of the master, in comparison with the fact that the copy-command-based-backup did copy the replication slot object. Is this difference designed on purpose ?
>>
>
> Yes.
>
>> Considering the difference mentioned above, I'm wandering that is there anything else that the pg_basebackup would NOT copy from the master ?
>> In other words, what is the no-copying rules of pg_basebackup ?
>>
>
> The full list is documented here:
> http://www.postgresql.org/docs/current/static/protocol-replication.html
>
Sorry I sent the mail a little too fast. The list is at the end of the page.
> Regards.
>
>> Any help will be greatly appreciated. Thanks.
>>
>> Best Regards.
>>
>
>
--
Julien Rouhaud
http://dalibo.com - http://dalibo.org
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