[Core/data] use wait based prefetcher by default (ray-project#34871)

Turn on the wait based prefetcher to address the issues around the actor based prefetcher. - [x]: benchmark the before/after performance.
krfricke · May 1, 2023 · b294bfd · b294bfd
1 parent 9b0ca12
commit b294bfd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/python/ray/data/context.py b/python/ray/data/context.py
@@ -55,7 +55,7 @@
 DEFAULT_MIN_PARALLELISM = 200
 
 # Wether to use actor based block prefetcher.
-DEFAULT_ACTOR_PREFETCHER_ENABLED = True
+DEFAULT_ACTOR_PREFETCHER_ENABLED = False
 
 # Whether to use push-based shuffle by default.
 DEFAULT_USE_PUSH_BASED_SHUFFLE = bool(