fix docs

docs/conf.py

@@ -45,7 +45,7 @@ exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
 # a list of builtin themes.
 #
 html_theme = 'alabaster'
-
+master_doc = 'index'
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".

docs/memory-pressure-manager.rst

@@ -4,6 +4,7 @@ Integration with Satella's MemoryPressureManager
 This library integrates itself with Satella_ MemoryPressureManager_.
 
 .. _Satella: https://github.com/piotrmaslanka/satella
+.. _MemoryPressureManager: https://satella.readthedocs.io/en/latest/instrumentation/memory.html
 
 It will close the non-required chunks when remaining in severity 1 each 30 seconds.
 

tempsdb/iterators.pyx

@@ -30,7 +30,13 @@ cdef class Iterator:
 
     cpdef void close(self):
         """
-        Close this iterator, release chunks
+        Close this iterator, release chunks.
+        
+        It is imperative that you call this, otherwise some chunks might remain in memory.
+        
+        This is hooked by destructor, but release it manually ASAP.
+        
+        No-op if iterator is already closed.
         """
         if self.closed:
             return