Ok i gave up with transaction.

I still dont understand why the TDB is inscreasing to dramatically when i
dont use transactions ... :(


2013/5/13 Andy Seaborne <a...@apache.org>

> > Why thoses changes solve the size problem ?
>
> Frederic,
>
> Which version are you running?
>
> We can't run your example because it is is tied to your application code so
>
> With the current 2.10.0 and previous 2.7.4 releases of Jena, nested write
> transactions on the same thread aren't allowed and it's checked for:
>
>
>     public static void main(String[] args) //throws Exception
>     {
>         Dataset ds = TDBFactory.createDataset() ;
>         ds.begin(ReadWrite.WRITE) ;
>         ds.begin(ReadWrite.WRITE) ;
>
>         ds.commit() ;
>         ds.commit() ;
>     }
>
> throws an exception on the second .begin.
>
>         Andy
>
>
> On 13/05/13 07:30, Frederic Toublanc wrote:
>
>> Anyway i still have a question.
>>
>> Here the changes :
>>
>> I addes the begin write transaction before calling getDefaultModel()
>> // Begin write transaction
>>   ds.begin(ReadWrite.WRITE);
>>   model = ds.getDefaultModel();
>>
>>
>> At the end i close the connection as follow :
>>
>> // End transaction
>> ds.end();
>>   // Close the model
>> model.close();
>>
>> // Close the dataset.
>>   ds.close();
>>
>>
>> Same thing for retrieving data (before i didnt start and end any
>> transactions) so now :
>>
>> // Begin readtransaction
>>   ds.begin(ReadWrite.READ);
>>   model = ds.getDefaultModel();
>>
>>
>> and i close it as follow at the end :
>>
>> // End transaction
>>   ds.end();
>>   // Close the model
>> model.close();
>>
>> // Close the dataset.
>>   ds.close();
>>
>>
>> Why thoses changes solve the size problem ?
>>
>>
>> 2013/5/10 Brian McBride <br...@epimorphics.com>
>>
>>  On 10/05/2013 15:29, Bill Roberts wrote:
>>>
>>>
>>>>  I'm pretty confident that an empty TDB database does not occupy 192MB.
>>>>>
>>>>>   It does on a Mac - as explained in Andy's mail a little while ago.
>>>>>
>>>>
>>>>  Gosh!  I just reread Andy's message.  Frederic says he is using
>>> Windows 7.
>>>
>>> Brian
>>>
>>>
>>>
>>>  Not sure what OS Frederic is using.
>>>>
>>>> total 393216
>>>> drwxr-xr-x  29 bill  staff      986 10 May 15:27 ./
>>>> drwxr-xr-x  19 bill  staff      646 10 May 15:26 ../
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 GOSP.dat
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 GOSP.idn
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 GPOS.dat
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 GPOS.idn
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 GSPO.dat
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 GSPO.idn
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 OSP.dat
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 OSP.idn
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 OSPG.dat
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 OSPG.idn
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 POS.dat
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 POS.idn
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 POSG.dat
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 POSG.idn
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 SPO.dat
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 SPO.idn
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 SPOG.dat
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 SPOG.idn
>>>> -rw-r--r--   1 bill  staff        0 10 May 15:27 journal.jrnl
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 node2id.dat
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 node2id.idn
>>>> -rw-r--r--   1 bill  staff        0 10 May 15:27 nodes.dat
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 prefix2id.dat
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 prefix2id.idn
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 prefixIdx.dat
>>>> -rw-r--r--   1 bill  staff  8388608 10 May 15:27 prefixIdx.idn
>>>> -rw-r--r--   1 bill  staff        0 10 May 15:27 prefixes.dat
>>>>
>>>>
>>>>
>>> --
>>> Epimorphics Ltd (http://www.epimorphics.com)
>>>
>>> Epimorphics Ltd. is a limited company registered in England (number
>>> 7016688)
>>> Registered address: Court Lodge, 105 High Street, Portishead, Bristol
>>> BS20
>>> 6PT, UK
>>>
>>>
>>>
>>
>

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