| From: | Thomas Kellerer <spam_eater(at)gmx(dot)net> |
|---|---|
| To: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Replication |
| Date: | 2010-11-01 20:26:38 |
| Message-ID: | ian7pn$8m1$1@dough.gmane.org |
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| Thread: | |
| Lists: | pgsql-general |
Jonathan Tripathy wrote on 01.11.2010 21:12:
>>
>> 9.0 has streaming replication and "Hot Standby"
>>
>> http://www.postgresql.org/docs/current/static/hot-standby.html
>> http://www.postgresql.org/docs/current/static/warm-standby.html#STREAMING-REPLICATION
>>
>>
> But does that not only allow "read-only" things to work on the standby?
>
But you didn't ask for read/write on the standby, only for a standby that can take of the master once the master fails:
"must support INSERTS and UPDATES as well (once the master has failed)"
That's exactly what the hot standby does: As long as it is in standby mode it's read-only.
Once the failover has happened the standby is the new master and will allow read/write access.
Thomas
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