| From: | Kaushal Shriyan <kaushalshriyan(at)gmail(dot)com> |
|---|---|
| To: | Craig Ringer <craig(at)2ndquadrant(dot)com> |
| Cc: | "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Difference between UDR and BDR replication |
| Date: | 2016-01-28 13:16:44 |
| Message-ID: | CAD7Ssm-=iraDp-b62EdPO0ESz8UoD-0hkpOX2OjqqFsRjb5==A@mail.gmail.com |
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| Lists: | pgsql-general |
On Thu, Jan 28, 2016 at 6:32 PM, Craig Ringer <craig(at)2ndquadrant(dot)com> wrote:
> On 28 January 2016 at 19:16, Kaushal Shriyan <kaushalshriyan(at)gmail(dot)com>
> wrote:
>
>> Hi,
>>
>> Can somebody please help me understand the difference between UDR and BDR
>> with examples?
>>
>
>
> BDR is for multiple masters that all replicate to each other.
>
> UDR takes data from one server and copies it to another. One way. (By the
> way, I strongly advise you to now use pglogical instead of UDR).
>
> BDR:
>
> A <==> B
>
> UDR/pglogical:
>
> A ==> B
>
Hi Craig,
Thanks for the explanation. Does it mean UDR is Master to Slave
replication?
Regards,
Kaushal
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