From 2841434e36c7df6b75642da9f2be9d9192de3238 Mon Sep 17 00:00:00 2001
From: Sam <sam.saffron@gmail.com>
Date: Tue, 19 Nov 2013 14:47:13 +1100
Subject: [PATCH] slow down decay to accommodate for long polling and other
 tiny reqs

---
 lib/middleware/unicorn_oobgc.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/middleware/unicorn_oobgc.rb b/lib/middleware/unicorn_oobgc.rb
index 2dae1be4705..b0f7bc75910 100644
--- a/lib/middleware/unicorn_oobgc.rb
+++ b/lib/middleware/unicorn_oobgc.rb
@@ -60,7 +60,9 @@ module Middleware::UnicornOobgc
         new_delta = (delta * 1.5).to_i
         @max_delta = [new_delta, delta].min
       else
-        new_delta = (delta * 0.99).to_i
+        # this may seem like a very tiny decay rate, but some apps using caching
+        # can really mess stuff up, if our delta is too low the algorithm fails
+        new_delta = (delta * 0.995).to_i
         @max_delta = [new_delta, delta].max
       end