From: Eric.Boyer at insa-toulouse.fr (Eric BOYER)
Date: Wed, 28 Jun 2006 13:39:51 +0200
Subject: [Pljava-dev] java.lang.OutOfMemoryError
In-Reply-To: <44A25C49.6010907@tada.se>
References: <4492740D.4040302@insa-toulouse.fr>
	<4492BB01.5060205@tada.se>	<44965774.7050203@insa-toulouse.fr>
	<44966070.4040806@tada.se>	<44A134C6.5030003@insa-toulouse.fr>
	<44A13A99.60406@tada.se> <44A258BA.10605@insa-toulouse.fr>
	<44A25C49.6010907@tada.se>
Message-ID: <44A26A87.2080901@insa-toulouse.fr>

Thomas Hallgren a ?crit :

> Hi Eric,
> Some followup questions inline:
>
> Eric BOYER wrote:
>
>> I will try to explain what are we doing :
>> We wan't to insert data in a db postgres.
>> The data come from a LDAP and concern information about computer 
>> account.
>> We are connected to the LDAP and inject data in our db.
>
> Is this connection established from within a PL/Java function or do 
> you have a client application for that?

within a PL/Java function

>
>> In this db, triggers insert some data in the same db but bot in the 
>> same table which can launch triggers again, etc ...
>>
>> Finally, we generate a new LDAP and an Active Directory !
>>
>> We have about 5000 people to insert.
>
> How big is your transaction? Is it one insert per commit or do you 
> insert them all in one go?

one insert per commit

>
>> with 512, it's OK
>> for exemple for 256 , it crash for about 2000 account
>> when we use 128, it crash earlier
>>
> Sounds like each account consumes 100k of memory or more. Memory that 
> are never released. Do you have any static variables in your classes 
> (Map's List's etc.)

a little
We have some static final String, Integer

> that might hold on to the data? Are you careful to close your 
> ResultSet and Statements using try/finally clauses?

I will look this again

>
>
> Regards,
> Thomas Hallgren
>
>