Comments on reload() effect on store dirty.

Author: evoskuil

src/full_node.cpp

@@ -432,6 +432,10 @@ code full_node::reload(const store::event_handler& handler) NOEXCEPT
 
     const auto start = logger::now();
     suspend(error::store_reload);
+
+    // This will set the store's dirty flag causing increased read activity for
+    // set(tx/block) due to activation of duplicate detection. The store is
+    // is however always in a dirty state after startup with non-empty tables.
     const auto ec = query_.reload([&](auto event, auto table) NOEXCEPT
     {
         // Suspend channels that missed previous suspend events.