By something else, he means: HiLo, Guid, Guid.Comb, or the like. For more
information please check

http://fabiomaulo.blogspot.com/2009/02/nh210-generators-behavior-explained.html
http://www.tunatoksoz.com/post/NHibernate-POID-Generators-revealed.aspx


<http://fabiomaulo.blogspot.com/2009/02/nh210-generators-behavior-explained.html>
Tuna Toksöz
Eternal sunshine of the open source mind.

http://devlicio.us/blogs/tuna_toksoz
http://tunatoksoz.com
http://twitter.com/tehlike




On Sat, May 1, 2010 at 12:43 AM, Jason Dentler <[email protected]>wrote:

> Identity breaks batching. Use something else.
>
>
> On Fri, Apr 30, 2010 at 4:17 PM, Jim Geurts <[email protected]> wrote:
>
>> Yep, it is regarding inserts, not updates in this case.
>>
>> My map files all use identity generator:
>>
>> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
>>                                   assembly="MyProject.Domain"
>>                                   namespace="MyProject.Domain.Model">
>>
>>        <class name="Property" table="pm_Properties">
>>                <id name="Id" column="PropertyId">
>>                        <generator class="identity" />
>>                </id>
>>                <property name="Name" />
>>
>>
>> Let me know if there is any other info I can provide.
>>
>> Thanks,
>>
>> Jim
>>
>>
>> On Apr 30, 3:44 pm, Tuna Toksoz <[email protected]> wrote:
>> > He means "what is your identifier strategy"
>> >
>> > Tuna Toksöz
>> > Eternal sunshine of the open source mind.
>> >
>> >
>> http://devlicio.us/blogs/tuna_toksozhttp://tunatoksoz.comhttp://twitter.com/tehlike
>> >
>> >
>> >
>> > On Fri, Apr 30, 2010 at 11:27 PM, Fabio Maulo <[email protected]>
>> wrote:
>> > > Are you talking about INSERTs ?
>> > > Can we see the first few lines of a mapping files ?
>> > > First 5 or 6 lines, nothing more.
>> >
>> > > On Fri, Apr 30, 2010 at 5:25 PM, Jim Geurts <[email protected]>
>> wrote:
>> >
>> > >> Should have mentioned, this is using NHibernate 3.0.0.1001
>> >
>> > >> On Apr 30, 3:20 pm, Jim Geurts <[email protected]> wrote:
>> > >> > Hi all,
>> >
>> > >> > I'm doing a mass save operation and NHProf is suggesting that I use
>> > >> > batching to help things along.  I have adonet.batch_size set in my
>> > >> > config file and I'm also trying to set the batch size at runtime,
>> but
>> > >> > NH doesn't seem to be picking up those values.  Each save command
>> is
>> > >> > still processed individually.
>> >
>> > >> > I've tried the following, with no success:
>> >
>> > >> > using (var transaction = Session.BeginTransaction()) {
>> > >> >     Session.SetBatchSize(itemsToSave.Count);
>> > >> >     foreach (var item in itemsToSave)
>> > >> >         Session.SaveOrUpdate(item);
>> > >> >     Session.SetBatchSize(0);
>> > >> >     transaction.Commit();
>> >
>> > >> > }
>> >
>> > >> > I've also tried the following with no luck:
>> >
>> > >> > using (var transaction = Session.BeginTransaction()) {
>> > >> >     Session.SetBatchSize(itemsToSave.Count);
>> > >> >     foreach (var item in itemsToSave)
>> > >> >         Session.SaveOrUpdate(item);
>> > >> >     transaction.Commit();}
>> >
>> > >> > Session.SetBatchSize(0);
>> >
>> > >> > My configuration file looks like:
>> >
>> > >> > <hibernate-configuration xmlns="urn:nhibernate-configuration-2.2">
>> > >> >         <session-factory name="MyProject">
>> > >> >                 <property
>> name="dialect">MsSql2008Dialect</property>
>> > >> >                 <property
>> >
>> > >>
>> name="connection.provider">NHibernate.Connection.DriverConnectionProvider</
>> > >> > property>
>> > >> >                 <property
>> > >> > name="connection.driver_class">NHibernate.Driver.SqlClientDriver</
>> > >> > property>
>> > >> >                 <property name="adonet.batch_size">16</property>
>> > >> >                 <property
>> name="generate_statistics">true</property>
>> > >> >                 <property
>> > >> name="current_session_context_class">web</property>
>> > >> >                 <property
>> >
>> > >>
>> name="proxyfactory.factory_class">NHibernate.ByteCode.Castle.ProxyFactoryFactory,
>> > >> > NHibernate.ByteCode.Castle</property>
>> > >> >                 <mapping assembly="MyProject.Domain"/>
>> > >> >                 <listener
>> class="MyProject.Domain.SaveEventListener,
>> > >> > MyProject.Domain" type="save" />
>> > >> >                 <listener
>> class="MyProject.Domain.SaveEventListener,
>> > >> > MyProject.Domain" type="save-update" />
>> > >> >         </session-factory>
>> > >> > </hibernate-configuration>
>> >
>> > >> > What am I doing wrong?
>> >
>> > >> > Thanks,
>> >
>> > >> > Jim
>> >
>> > >> > --
>> > >> > You received this message because you are subscribed to the Google
>> > >> Groups "nhusers" group.
>> > >> > To post to this group, send email to [email protected].
>> > >> > To unsubscribe from this group, send email to
>> > >> [email protected]<nhusers%[email protected]>
>> <nhusers%[email protected]<nhusers%[email protected]>
>> >
>> > >> .
>> > >> > For more options, visit this group athttp://
>> > >> groups.google.com/group/nhusers?hl=en.
>> >
>> > >> --
>> > >> You received this message because you are subscribed to the Google
>> Groups
>> > >> "nhusers" group.
>> > >> To post to this group, send email to [email protected].
>> > >> To unsubscribe from this group, send email to
>> > >> [email protected]<nhusers%[email protected]>
>> <nhusers%[email protected]<nhusers%[email protected]>
>> >
>> > >> .
>> > >> For more options, visit this group at
>> > >>http://groups.google.com/group/nhusers?hl=en.
>> >
>> > > --
>> > > Fabio Maulo
>> >
>> > >  --
>> > > You received this message because you are subscribed to the Google
>> Groups
>> > > "nhusers" group.
>> > > To post to this group, send email to [email protected].
>> > > To unsubscribe from this group, send email to
>> > > [email protected]<nhusers%[email protected]>
>> <nhusers%[email protected]<nhusers%[email protected]>
>> >
>> > > .
>> > > For more options, visit this group at
>> > >http://groups.google.com/group/nhusers?hl=en.
>> >
>> > --
>> > You received this message because you are subscribed to the Google
>> Groups "nhusers" group.
>> > To post to this group, send email to [email protected].
>> > To unsubscribe from this group, send email to
>> [email protected]<nhusers%[email protected]>
>> .
>> > For more options, visit this group athttp://
>> groups.google.com/group/nhusers?hl=en.
>>
>> --
>> You received this message because you are subscribed to the Google Groups
>> "nhusers" group.
>> To post to this group, send email to [email protected].
>> To unsubscribe from this group, send email to
>> [email protected]<nhusers%[email protected]>
>> .
>> For more options, visit this group at
>> http://groups.google.com/group/nhusers?hl=en.
>>
>>
>  --
> You received this message because you are subscribed to the Google Groups
> "nhusers" group.
> To post to this group, send email to [email protected].
> To unsubscribe from this group, send email to
> [email protected]<nhusers%[email protected]>
> .
> For more options, visit this group at
> http://groups.google.com/group/nhusers?hl=en.
>

-- 
You received this message because you are subscribed to the Google Groups 
"nhusers" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to 
[email protected].
For more options, visit this group at 
http://groups.google.com/group/nhusers?hl=en.

Reply via email to