<listitem>

<simpara>Utility <link linkend="app-pgrepack"><application>pg_repack</application></link> has been added</simpara>

</listitem>

<listitem>

<simpara>Added <application>multimaster</application> extension. (See <xref linkend="multimaster">.)</simpara>

</listitem>

<listitem>

<simpara>Added failover algorithm for <application>libpq</application> connections.</simpara>

</listitem>

<listitem>

<simpara>Added <application>aqo</application> extension for

adaptive query optimization. (See <xref linkend="aqo">.) </simpara>

</listitem>

<listitem>

<simpara>Implemented declarative syntax for

partitioning. (See <xref linkend="pg-pathman-using-declarative-syntax">.)</simpara>

</listitem>

<listitem>

<simpara>Added <application>mamonsu</application> monitoring

service, which is implemented as a <application>Zabbix</application>

agent. (See <xref linkend="mamonsu">.)</simpara>

</listitem>

<listitem>

<simpara>Added <application>pg_wait_sampling</application>

extension for sampling-based statistics of wait events. With this

extension, you can get an insight into the server activity,

including the current wait events for all processes and background

workers. (See <xref linkend="pg-wait-sampling">.)</simpara>

</listitem>

</itemizedlist>

</para>

<title>&productname; 9.6.2.1</title>

<note>

<title>Release Date</title>

<simpara>2017-03-__</simpara>

<simpara>2017-03-24</simpara>

</note>

<sect2>

<title>Overview</title>

<para>Major enhancements over <productname>Postgres Pro Enterprise</productname>

9.6.1.2 include:</para>

<itemizedlist>

<!-- Waiting for merge of multimaster:

<listitem><para>Added <application>multimaster</application>

extension. With this extension, you can turn a

extension. With this extension, you can turn a

<productname>PostgreSQL</productname> master-slave cluster into a

shared-nothing cluster with synchronous multi-master

replication. Such a cluster provides <acronym>OLTP</acronym>

upgrades. (See <xref linkend="multimaster">.)</para>

</listitem>

<listitem><para>Added failover algorithm for <application>libpq</application> connections.</para></listitem>

-->

<listitem><para>Added <application>aqo</application> extension for

adaptive query optimization. Based on the collected statistics on

query execution, <application>aqo</application> improves cardinality