From 785500b6ff1244e22f08051b391e425262c1ac51 Mon Sep 17 00:00:00 2001
From: Krishan Bhasin <8904718+KrishanBhasin@users.noreply.github.com>
Date: Mon, 12 Oct 2020 18:28:40 +0000
Subject: [PATCH] Set Zict buffer target to maxsize when
 `memory_target_fraction` is False (#4156)

---
 distributed/worker.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/distributed/worker.py b/distributed/worker.py
index 16a70db966..96cdf9e87e 100644
--- a/distributed/worker.py
+++ b/distributed/worker.py
@@ -557,7 +557,10 @@ def __init__(
                 deserialize_bytes,
                 File(path),
             )
-            target = int(float(self.memory_limit) * self.memory_target_fraction)
+            target = (
+                int(float(self.memory_limit) * self.memory_target_fraction)
+                or sys.maxsize
+            )
             self.data = Buffer({}, storage, target, weight)
             self.data.memory = self.data.fast
             self.data.disk = self.data.slow