[opencms-dev] new build for JPA driver

[Georgi Naplatanov]

Hello Yves.

Thank you for the feed back.

On busy system you can play with following configuration parameters in
the persistence.xml file :

- connection pool - on my tests it is ~ 1/10 of
opencms.jpa.EntityManagerPoolSize, but you can try different proportions

- opencms.jpa.EntityManagerPoolSize - it should be the same as
connection pool size on SQL drivers

- openjpa.QueryCache - number of cached query executions/results

- openjpa.DataCache - number of cached entities

Best regards
Georgi

Yves Glodt wrote:
> After installing OpenCms-jpa on Firebird 2.0 I have to say it works great!
> 
> Performance seems very good, and it behaves just as I know it from my prod. 
> sites which all use mysql.
> 
> Thanks for your effort Georgi !
> 
> On Tuesday 31 March 2009, Georgi Naplatanov wrote:
>> Hello, list.
>>
>> There is a new build for JPA driver for OpenCms 7.0.5.
>> https://sourceforge.net/project/showfiles.php?group_id=241958&package_id=29
>> 4665&release_id=672367
>>
>>
>> The changes are related to performance increase. The driver's
>> performance is closer to traditional SQL drivers than previous builds.
>>
>> For those who wants to upgrade from previous version of JPA driver,
>> should do the following:
>>
>>  - replace opencms.jar from binary distribution
>>  - replace openjpa-1.2.0.jar with openjpa-1.2.1.jar
>>  - replace WEB-INF/classes/META-INF/persistence.xml file from binary
>> distribution and setup jdbc and cache properties
>>
>> The source code is available in the SVN repository.
>>
>> Best regards
>> Georgi
> 
> 
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