From 709dd352613ea6c998bbbaf45bb616681cb77ace Mon Sep 17 00:00:00 2001
From: Logan Hanks <logan@reddit.com>
Date: Wed, 16 Nov 2011 12:19:34 -0800
Subject: [PATCH] Fix bug counting misses in chains with no permanent caches.

---
 r2/r2/lib/cache.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/r2/r2/lib/cache.py b/r2/r2/lib/cache.py
index 52831b730..289f6fc38 100644
--- a/r2/r2/lib/cache.py
+++ b/r2/r2/lib/cache.py
@@ -439,6 +439,10 @@ class CacheChain(CacheUtils, local):
                    if v != NoneResult)
 
         if self.stats:
+            if not misses:
+                # If this chain contains no permanent caches, then we need to
+                # count the misses here.
+                misses = len(need)
             self.stats.cache_hit(hits)
             self.stats.cache_miss(misses)