Re: Replication for a large database

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От Ryan
Тема Re: Replication for a large database
Дата
Msg-id 10976.65.102.128.233.1052151419.squirrel@fordparts.com
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Ответ на Replication for a large database  (Michael A Nachbaur <mike@nachbaur.com>)
Ответы Re: Replication for a large database
Re: Replication for a large database
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Ok, mabye this is just because I'm coming from a layman's perspective
regarding enterprise level databases, but couldn't you fake replication
by inserting the data into both databases?  (granted this involves
having source access to the program doing the insertion.)

It may be a kludge, but it would work until something better came along.

Ryan

> Hello all,
>
> I apologize if this has already been covered in the past, but I
> couldn't seem  to find an adequate solution to my problem in the
> archives.
>
> I have a database that is used for a bandwidth tracking system at a
> broadband  ISP.  To make a long story short, I'm inserting over
> 800,000 records per day  into this database.  Suffice to say, the
> uptime of this database is of  paramount importance, so I would like
> to have a more up-to-date backup copy  of my database in the event of
> a failure (more recent than my twice-per-day  db_dump backup).
>
> I have two servers, both Dual Xeon-2G with 4G of RAM, and would like
> to replicate between the two.  I would like to have "live"
> replication, but I  couldn't seem to find a solution for that for
> PostgreSQL.  I tried RServ but,  after attempting it, I saw a mailing
> list posting saying that it is  more-or-less useless for databases
> that have a large number of inserts (like  mine).
>
> When I perform a replication after a batch of data is inserted, the
> query runs  literally for hours before it returns.  I have never
> actually been present  during the whole replication duration since it
> takes longer than my 8-12 hour  days here at work.
>
> Is there any replication solution that would fit my needs?  I'm taking
> advantage of some PG7.2 features so "downgrading" to the 6.x version
> of postgres that has replication support isn't an option.
>
> Thanks.
>
> --man



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