="link" href="runtime-config-replication.html#GUC-MAX-WAL-SENDERS"><code class="varname">max_wal_senders</code></a>
    should be set to at least the same as
    <code class="varname">max_replication_slots</code>, plus the number of physical
    replicas that are connected at the same time.
   </p><p>
    Logical replication walsender is also affected by
    <a class="link" href="runtime-config-replication.html#GUC-WAL-SENDER-TIMEOUT"><code class="varname">wal_sender_timeout</code></a>.
   </p></div><div cl