Add documentation for driver.max-page-partitioning-buffer-count
@@ -129,6 +129,16 @@ Memory Management Properties
memory reservation across the cluster. The value of ``total-reservation-on-blocked-nodes``
configures a policy that kills the query using the most memory on the workers that are out of memory (blocked).
+``driver.max-page-partitioning-buffer-count``
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+ * **Type:** ``integer``
+ * **Default value:** ``1000000``
+
+ Maximum number of buffers used by repartitioning per driver. This number should be set
+ sufficiently large to avoid the error of requesting too many arrays from the array allocator
+ used in repartitioning.
+
.. _tuning-spilling:
Spilling Properties
