From 83893aa12255559385a7ebc892162619eaf0bcf2 Mon Sep 17 00:00:00 2001
From: Evan Prothro <evan.prothro@gmail.com>
Date: Fri, 1 Aug 2014 14:56:51 -0500
Subject: [PATCH] fixup to poll_interval logic, so calling poll_interval= has
 expected behavior

---
 lib/sidekiq/scheduled.rb | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/sidekiq/scheduled.rb b/lib/sidekiq/scheduled.rb
index a29e941a..97147066 100644
--- a/lib/sidekiq/scheduled.rb
+++ b/lib/sidekiq/scheduled.rb
@@ -51,7 +51,10 @@ module Sidekiq
             logger.error ex.backtrace.first
           end
 
-          after(poll_interval * rand) { poll }
+          # Randomizing scales the interval by half since
+          # on average calling `rand` returns 0.5.
+          # We make up for this by doubling the interval
+          after(poll_interval * 2 * rand) { poll }
         end
       end
 
@@ -73,7 +76,7 @@ module Sidekiq
       def poll_interval
         Sidekiq.options[:poll_interval] ||= begin
           pcount = Sidekiq.redis {|c| c.scard('processes') } || 1
-          pcount * 15 * 2
+          pcount * 15
         end
       end