[SPARK-27659][PYTHON] Allow PySpark to prefetch during toLocalIterator#25515

Closed

holdenk wants to merge 11 commits intoapache:masterfrom

holdenk:SPARK-27659-allow-pyspark-tolocalitr-to-prefetch

Commits on Aug 15, 2019

Start working on allowing toLocalIter to prefetch in Python
holdenk
committed

Commits on Aug 16, 2019

Move the partitionArray blocking up above the peak at head so we are looking at the next elem not the one we are about to block on, and fix the Python tests.
holdenk
committed
Fix python long line
holdenk
committed

Commits on Aug 21, 2019

Commits on Sep 10, 2019