Remove object store memory cap (#7654)

python/ray/ray_constants.py

@@ -17,7 +17,7 @@ ID_SIZE = 20
 
 # The default maximum number of bytes to allocate to the object store unless
 # overridden by the user.
-DEFAULT_OBJECT_STORE_MAX_MEMORY_BYTES = 20 * 10**9
+DEFAULT_OBJECT_STORE_MAX_MEMORY_BYTES = 200 * 10**9
 # The smallest cap on the memory used by the object store that we allow.
 # This must be greater than MEMORY_RESOURCE_UNIT_BYTES * 0.7
 OBJECT_STORE_MINIMUM_MEMORY_BYTES = 75 * 1024 * 1024