| From: | "Fujii Masao" <masao(dot)fujii(at)gmail(dot)com> |
|---|---|
| To: | "Simon Riggs" <simon(at)2ndquadrant(dot)com> |
| Cc: | "Heikki Linnakangas" <heikki(dot)linnakangas(at)enterprisedb(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Sync Rep: First Thoughts on Code |
| Date: | 2008-12-12 04:11:33 |
| Message-ID: | 3f0b79eb0812112011p6ebfeacah6e8237fd3148c44c@mail.gmail.com |
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| Lists: | pgsql-hackers |
Hi,
> The idea is that we would be able to have multiple standby servers
> connecting to one primary, yes? It would be useful to have sync
> replication work that it must get an acknowledgement from at least one
> standby before it continues.
No, in my current patch, only one standby can perform WAL streaming.
Of course, Yes in the future (8.5?).
>
> Or do you think we would stream to just one standby, then use the
> archiver (primary or standby) to keep sending files to allow multiple
> additional standby nodes?
Interesting! and Yes, we can.
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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