From: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
---|---|
To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com>, Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>, Vinayak Pokale <vinpokale(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Konstantin Knizhnik <k(dot)knizhnik(at)postgrespro(dot)ru> |
Subject: | Re: Transactions involving multiple postgres foreign servers |
Date: | 2016-10-31 00:47:36 |
Message-ID: | CAD21AoAW91sgi1nzfVEJ=0czfxyirj4no1Yj-hvi8MbZxXJBfg@mail.gmail.com |
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Lists: | pgsql-hackers |
On Fri, Oct 28, 2016 at 3:19 AM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Wed, Oct 26, 2016 at 2:00 AM, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
>> I think we can consider the atomic commit and the atomic visibility
>> separately, and the atomic visibility can build on the top of the
>> atomic commit.
>
> It is true that we can do that, but I'm not sure whether it's the best design.
I'm not sure best design, too. We need to discuss more. But this is
not a particular feature for the sharing solution. The atomic commit
using 2PC is useful for other servers that can use 2PC, not only
postgres_fdw.
Attached latest 3 patches that incorporated review comments so far.
But recovery speed improvement that is discussed on another thread is
not incorporated yet.
Please give me feedback.
Regards,
--
Masahiko Sawada
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
Attachment | Content-Type | Size |
---|---|---|
000_support_fdw_xact_v2.patch | application/octet-stream | 105.8 KB |
002_pg_fdw_resolver_v2.patch | application/octet-stream | 11.1 KB |
001_pg_fdw_supports_2pc_v2.patch | application/octet-stream | 25.5 KB |
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