Re: Which replication is the best for our case ?

Hi guys,

Thank you a lot for your answers.

In fact, I tried to write the easiest explanation of my problem in order to
be understood...
My project is developed with Symfony and Doctrine (BERK, i know ...).

The project has more than 2 years and Doctrine makes some bad decisions and
lock all the table for a while.
We are developing the project without Doctrine but it will not be available
within 1 year...

To be more precise : We have a database with more than 400 Gb and ONE table
with more than 100 Gb of data. This is huge for doctrine. When the cron
runs, it writes a lot on the disks in temporary file (although we have 128
GB of Ram...). Of course, each table is well indexes...

That is why I'm thinking about replication : My server A (master) is for my
users... and my server B is a server reserved for calculations (and this
server B which writes on the base)

This is a image of my dream system :
<http://postgresql.nabble.com/file/n5855916/9e41ce1f-38ea-4fba-a437-a43c598e655c.jpg>
(If you can't see the image :
http://tof.canardpc.com/view/9e41ce1f-38ea-4fba-a437-a43c598e655c.jpg)


Thank you a lot for your help !



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