Rodrigo,

> I need to insert 500.000 records on a table frequently. Itīs a bulk
> insertion from my applicatoin.
> I am with a very poor performance. PostgreSQL insert very fast until the
> tuple 200.000 and after it the insertion starts to be really slow.
> I am seeing on the log and there is a lot of transaction logs, something

In addition to what Chris Browne asked:
What's your transaction log setup?   Are your database transaction logs on a 
seperate disk resource?   What is checkpoint_segments and checkpoint_timeout 
set to?

-- 
Josh Berkus
Aglio Database Solutions
San Francisco

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