eded
        for good performance.
        If this value is specified without units, it is taken as blocks,
        that is <code class="symbol">BLCKSZ</code> bytes, typically 8kB.
        (Non-default values of <code class="symbol">BLCKSZ</code> change the minimum
        value.)
        This parameter can only be set at server start.
       </p><p>
        If you have a dedicated database server with 1GB or more of RAM, a
        reasonable starting value for <code class="varname">shared_buffers</code> is