diff --git a/generator/intermediate_data.cpp b/generator/intermediate_data.cpp
index c8b600bc0..8e3032117 100644
--- a/generator/intermediate_data.cpp
+++ b/generator/intermediate_data.cpp
@@ -114,8 +114,10 @@ public:
     uint64_t const fileSize = m_fileReader.Size();
     CHECK_EQUAL(fileSize % sizeof(LatLon), 0, ("Node's coordinates file is broken"));
 
+    LOG(LINFO, ("Start reading nodes storage from", name));
     m_data.resize(fileSize / sizeof(LatLon));
     m_fileReader.Read(0, m_data.data(), fileSize);
+    LOG(LINFO, ("Finished reading nodes storage"));
   }
 
   // PointStorageReaderInterface overrides:
@@ -404,9 +406,9 @@ IntermediateDataObjectsCache::GetOrCreatePointStorageReader(
 
   std::lock_guard lock(m_mutex);
 
+  LOG(LINFO, ("Creating nodes storage reader:", strType, name));
   auto res = m_objects.try_emplace(key, type, name);
-  if (res.second)
-    LOG(LINFO, ("Created nodes reader:", strType, name));
+
   return res.first->second;
 }
 
diff --git a/generator/raw_generator.cpp b/generator/raw_generator.cpp
index 29426a3ee..32da41033 100644
--- a/generator/raw_generator.cpp
+++ b/generator/raw_generator.cpp
@@ -162,6 +162,7 @@ bool RawGenerator::Execute()
   m_queue.reset();
   m_intermediateDataObjectsCache.Clear();
 
+  LOG(LINFO, ("Start final processing..."));
   while (!m_finalProcessors.empty())
   {
     auto const finalProcessor = m_finalProcessors.top();
@@ -244,7 +245,13 @@ bool RawGenerator::GenerateFilteredFeatures()
   }
   CHECK(sourceProcessor, ());
 
+  // Create translators threads.
+  // Each thread may contain separate translators for countries and World
+  // They process chunks of source data and pass features to a chain of processors.
+  // The last processor writes to a "processed" queue.
   TranslatorsPool translators(m_translators, m_threadsCount);
+
+  // The writer thread pops from the "processed" queue and writes to per-country files.
   RawGeneratorWriter rawGeneratorWriter(m_queue, m_genInfo.m_tmpDir);
   rawGeneratorWriter.Run();
 
@@ -267,7 +274,7 @@ bool RawGenerator::GenerateFilteredFeatures()
 
   } while (!isEnd);
 
-  LOG(LINFO, ("Input was processed."));
+  LOG(LINFO, ("OSM source input was processed."));
   if (!translators.Finish())
     return false;
 
diff --git a/generator/translator.cpp b/generator/translator.cpp
index 6b36d088a..662b27f9b 100644
--- a/generator/translator.cpp
+++ b/generator/translator.cpp
@@ -63,7 +63,9 @@ void Translator::Emit(OsmElement const & src)
 
 void Translator::Finish()
 {
+  LOG(LINFO, ("Finishing collectors..."));
   m_collector->Finish();
+  LOG(LINFO, ("Finishing processors..."));
   m_processor->Finish();
 }
 
diff --git a/tools/python/maps_generator/generator/settings.py b/tools/python/maps_generator/generator/settings.py
index d5ecf443b..01ba96f67 100644
--- a/tools/python/maps_generator/generator/settings.py
+++ b/tools/python/maps_generator/generator/settings.py
@@ -92,7 +92,7 @@ OSM_TOOLS_PATH = os.path.join(_WORK_PATH, "osmctools")
 
 # Generator tool section:
 USER_RESOURCE_PATH = os.path.join(OMIM_PATH, "data")
-NODE_STORAGE = "mem" if total_virtual_memory() / 10 ** 9 >= 64 else "map"
+NODE_STORAGE = "map"
 
 # Stages section:
 NEED_PLANET_UPDATE = False
diff --git a/tools/python/maps_generator/var/etc/map_generator.ini.default b/tools/python/maps_generator/var/etc/map_generator.ini.default
index 3af13c82d..230171874 100644
--- a/tools/python/maps_generator/var/etc/map_generator.ini.default
+++ b/tools/python/maps_generator/var/etc/map_generator.ini.default
@@ -21,6 +21,11 @@ MAIN_OUT_PATH: ${Developer:OMIM_PATH}/../maps_build
 USER_RESOURCE_PATH: ${Developer:OMIM_PATH}/data
 # Features stage only parallelism level. Set to 0 for auto detection.
 THREADS_COUNT_FEATURES_STAGE: 0
+# How to store all nodes with their coords.
+# "map" (default) - fast, suitable to generate a few countries, but is not suitable for the whole planet
+# "mem" - fastest, best for the whole planet generation, needs ~100GB memory (as of 2025)
+# "raw" - read from a mmapped file, slow, but uses the least memory
+NODE_STORAGE: mem
 
 
 [Osm tools]