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From Abe White <>
Subject Re: Performance declined dramatically during a series of delete operation
Date Mon, 19 Mar 2007 17:47:33 GMT
> EM.flush() doesn't help. :-(
> On 3/16/07, Patrick Linskey <> wrote:
>> Have you tried incrementally calling EM.flush() during the course of
>> your transaction? Also, for deleting that many records, you may  
>> want to
>> look at using JPQL's bulk delete APIs.

Do you have the data cache enabled?  Have you tried to enable large  
transaction mode along with the incremental flushing?  http://
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