| From: | Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc> |
|---|---|
| To: | Fujii Masao <fujii(dot)masao(at)oss(dot)ntt(dot)co(dot)jp> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Replication |
| Date: | 2006-08-21 09:56:07 |
| Message-ID: | 44E98337.5090308@kaltenbrunner.cc |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Fujii Masao wrote:
> Joshua D. Drake wrote:
>>> Modern systems *must* scale beyond a single computer, and the
>>> PostgreSQL support shipped in modern Linux distros is completely
>>> incapable of this.
>>
>> Slony-I is quite capable as a production class FOSS replication system
>> and is in use widely.
>
> Slony-I is not enough because it can cause the inconsistency of data
> between servers.
hmm what are you refering to here ? slony1 does row-level replication
(something that MySQL cannot do until 5.1 which is still beta) - so it
should not be possible to cause data-inconsistency.
It is however async replication so you can loose data commited on the
master but not yet replicated to the slaves in case you loose the master
completely.
Stefan
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