| From: | "r(dot)takahashi_2(at)fujitsu(dot)com" <r(dot)takahashi_2(at)fujitsu(dot)com> |
|---|---|
| To: | 'Masahiko Sawada' <sawada(dot)mshk(at)gmail(dot)com> |
| Cc: | Masahiro Ikeda <ikedamsh(at)oss(dot)nttdata(dot)com>, "k(dot)jamison(at)fujitsu(dot)com" <k(dot)jamison(at)fujitsu(dot)com>, Zhihong Yu <zyu(at)yugabyte(dot)com>, Ibrar Ahmed <ibrar(dot)ahmad(at)gmail(dot)com>, Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com>, Masahiko Sawada <masahiko(dot)sawada(at)2ndquadrant(dot)com>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, "ashutosh(dot)bapat(dot)oss(at)gmail(dot)com" <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, "amit(dot)kapila16(at)gmail(dot)com" <amit(dot)kapila16(at)gmail(dot)com>, "m(dot)usama(at)gmail(dot)com" <m(dot)usama(at)gmail(dot)com>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>, "sulamul(at)gmail(dot)com" <sulamul(at)gmail(dot)com>, "alvherre(at)2ndquadrant(dot)com" <alvherre(at)2ndquadrant(dot)com>, "thomas(dot)munro(at)gmail(dot)com" <thomas(dot)munro(at)gmail(dot)com>, "ildar(at)adjust(dot)com" <ildar(at)adjust(dot)com>, "horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp" <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, "chris(dot)travers(at)adjust(dot)com" <chris(dot)travers(at)adjust(dot)com>, "robertmhaas(at)gmail(dot)com" <robertmhaas(at)gmail(dot)com>, "ishii(at)sraoss(dot)co(dot)jp" <ishii(at)sraoss(dot)co(dot)jp> |
| Subject: | RE: Transactions involving multiple postgres foreign servers, take 2 |
| Date: | 2021-07-15 09:25:16 |
| Message-ID: | OS0PR01MB568249E04F7FCE1A3670AFD882129@OS0PR01MB5682.jpnprd01.prod.outlook.com |
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| Lists: | pgsql-hackers |
Hi Sawada-san,
Thank you for your reply.
> BTW did you test on the local? That is, the foreign servers are
> located on the same machine?
Yes, I tested on the local since I cannot prepare the good network now.
> I guess it would be better to start a new thread for this improvement.
Thank you for your advice.
I started a new thread [1].
> What if we successfully committed 'prep_1' but an error happened
> during committing another one for some reason (i.g., corrupted 2PC
> state file, OOM etc)? We might return an error to the client but have
> already committed 'prep_1'.
Sorry, I don't have good idea now.
I imagined the command returns the list of the transaction id which ends with error.
Regards,
Ryohei Takahashi
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