If a reload operation changes the number of nodes, ensure @durations is updated

Otherwise the average duration calculation will be wrong

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/oxidized/jobs.rb b/lib/oxidized/jobs.rb
index 60a83f4..2c656f6 100644
--- a/lib/oxidized/jobs.rb
+++ b/lib/oxidized/jobs.rb
@@ -20,6 +20,11 @@ module Oxidized
     end
 
     def duration last
+      if @durations.size > @nodes.size
+        @durations.slice! @nodes.size...@durations.size
+      elsif @durations.size < @nodes.size
+        @durations.fill AVERAGE_DURATION, @durations.size...@nodes.size
+      end
       @durations.push(last).shift
       @duration = @durations.inject(:+).to_f / @nodes.size #rolling average
       new_count