| From: | Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com> |
|---|---|
| To: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
| Cc: | Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com>, Robert Haas <robertmhaas(at)gmail(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: | 2016-12-05 05:34:43 |
| Message-ID: | CAJrrPGcw0NtHENbSpfMbzg-CWiJhdKsSuaHo7vwxJLtQ-Wp83Q@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Nov 11, 2016 at 5:38 PM, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>
wrote:
>
> 2PC is a basic building block to support the atomic commit and there
> are some optimizations way in order to reduce disadvantage of 2PC. As
> you mentioned, it's hard to support a single model that would suit
> several type of FDWs. But even if it's not a purpose for sharding,
> because many other database which could be connected to PostgreSQL via
> FDW supports 2PC, 2PC for FDW would be useful for not only sharding
> purpose. That's why I was focusing on implementing 2PC for FDW so far.
Moved to next CF with "needs review" status.
Regards,
Hari Babu
Fujitsu Australia
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