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<section id="Java-Broker-Stores-HA-BDB-Store">
<title>High Availability BDB Store</title>
<para>
The Java broker has an <emphasis>optional</emphasis> High Availability message store implementation backed by Oracle BDB JE HA.
This section references information on where to download the optional dependency from, how to add it to the broker
installation, and how to configure the BDBHAMessageStore.
</para>
<para>
For more detailed information about use of this store, see <xref linkend="Java-Broker-High-Availability"></xref>.
</para>
<section role="h3" id="Java-Broker-Stores-HA-BDB-Store-BDBJE-Download">
<title>Oracle BDB JE download</title>
<para>
For details, see <xref linkend="Java-Broker-Stores-BDB-Store-BDBJE-Download"></xref>.
</para>
</section>
<section role="h3" id="Java-Broker-Stores-HA-BDB-Store-BDBJE-Installation">
<title>Oracle BDB JE jar installation</title>
<para>
For details, see <xref linkend="Java-Broker-Stores-BDB-Store-BDBJE-Installation"></xref>.
</para>
</section>
<section role="h3" id="Java-Broker-Stores-HA-BDB-Store-Configuration">
<title>Configuration</title>
<para>
In order to use the BDBHAMessageStore, you must configure it for each VirtualHost desired by updating the store element
to specify the associated store class, provide a directory location for the data to be written, and configure the
replication group and policies used by BDB JA HA.
</para>
<para>
A general configuration example is shown <link linkend="Java-Broker-High-Availability-Configuration">here</link>, however it
is strongly recommended you examine the wider context of <xref linkend="Java-Broker-High-Availability"></xref> for a fuller
discussion of the various configuration options and how to use them.
</para>
</section>
</section>
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