From: | Mason S <masonlists(at)gmail(dot)com> |
---|---|
To: | Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> |
Cc: | Oleg Bartunov <obartunov(at)gmail(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Horizontal scalability/sharding |
Date: | 2015-09-01 10:47:21 |
Message-ID: | CA+rR5x0xtbuC+F9p=_rqpfvnxm7acsAUhz32nP8nOXtvRYuP=w@mail.gmail.com |
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On Mon, Aug 31, 2015 at 3:08 PM, Alexander Korotkov <
a(dot)korotkov(at)postgrespro(dot)ru> wrote:
> On Mon, Aug 31, 2015 at 9:48 PM, Mason S <masonlists(at)gmail(dot)com> wrote:
>
>>
>>> We also a bit disappointed by Huawei position about CSN patch, we hoped
>>> to use for our XTM.
>>>
>>
>> Disappointed in what way? Moving to some sort of CSN approach seems to
>> open things up for different future ideas. In the short term, it would mean
>> replacing potentially large snapshots and longer visibility checks. In the
>> long term, perhaps CSN could help simplify the design of multi-master
>> replication schemes.
>>
>
> We are disappointed because at PGCon talk Huawei announced publishing of
> their CSN patch and further work in this direction together with community.
> However, it's even not published yet despite all the promises. Nobody from
> Huawei answers CSN thread in the hackers.
> So, I think we got nothing from Huawei except teasing and should rely only
> on ourselves. That is disappointing.
>
>
Oh, I see. I was in contact with some of the folks involved a few weeks
ago. The intention is to do a bit more work on the patch and then post it.
This should be happening "soon".
Thanks,
Mason
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