From 91c594bef08aa5e71e292188b7ed6b60fbb7254a Mon Sep 17 00:00:00 2001
From: jimcockburn <jim.cockburn@wayflyer.com>
Date: Fri, 7 Mar 2025 16:19:02 +0000
Subject: [PATCH] expoential with backoff

---
 redis/backoff.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/redis/backoff.py b/redis/backoff.py
index f612d60704..b42a92d9f2 100644
--- a/redis/backoff.py
+++ b/redis/backoff.py
@@ -109,6 +109,20 @@ def compute(self, failures: int) -> float:
         self._previous_backoff = min(self._cap, temp)
         return self._previous_backoff
 
+class ExponentialWithJitterBackoff(AbstractBackoff):
+    """Exponential backoff upon failure, with jitter"""
+
+    def __init__(self, cap: float = DEFAULT_CAP, base: float = DEFAULT_BASE) -> None:
+        """
+        `cap`: maximum backoff time in seconds
+        `base`: base backoff time in seconds
+        """
+        self._cap = cap
+        self._base = base
+
+    def compute(self, failures: int) -> float:
+        return min(self._cap, random.random() * self._base * 2**failures)
+
 
 def default_backoff():
     return EqualJitterBackoff()