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Editorial Team
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Asked: 2026-06-09T19:45:49+00:00

With hibernate, when I attempt to enable batch inserts with <property name=jdbc.batch_size>50</property> I get

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With hibernate, when I attempt to enable batch inserts with

  <property name="jdbc.batch_size">50</property>

I get the following output:

 [...] cfg.SettingsFactory INFO  - JDBC batch updates for versioned data: disabled
 [...] cfg.SettingsFactory INFO  - Order SQL inserts for batching: disabled

And then this:

 [...] jdbc.AbstractBatcher DEBUG - Executing batch size: 1

never more than batch size: 1 basically.

Am I missing a setting?

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1 Answer

  1. Editorial Team

    Turns out what was missing in this case was:

    <property name="order_inserts">true</property>

    ref: https://forum.hibernate.org/viewtopic.php?p=2374413, https://stackoverflow.com/a/5240930/32453
    Or possibly hibernate.order_inserts.

    Now I see

     [...] cfg.SettingsFactory INFO  - Order SQL inserts for batching: enabled
 ...
 [...] Executing batch size: 2

    Much more frequently (anything greater than 1 basically means it’s successfully doing batch inserts).

    hibernate.jdbc.batch_versioned_data may also be useful.

    jdbc:mysql://localhost:3306/batch?rewriteBatchedStatements=true type connection strings might also be related somehow.

    https://forum.hibernate.org/viewtopic.php?p=2374413 and also see
    Hibernate batch size confusion

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