From a4d717ddc5ec8a8c22e3882105fadf17fa38590c Mon Sep 17 00:00:00 2001
From: Bilal Al <bilal.al-shahwany@split.io>
Date: Mon, 16 Dec 2024 10:33:23 -0800
Subject: [PATCH 1/2] cleared bloom filter by deleting and recreating the
 object

---
 lib/splitclient-rb/cache/filter/bloom_filter.rb | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/lib/splitclient-rb/cache/filter/bloom_filter.rb b/lib/splitclient-rb/cache/filter/bloom_filter.rb
index b06a94ab..70548566 100644
--- a/lib/splitclient-rb/cache/filter/bloom_filter.rb
+++ b/lib/splitclient-rb/cache/filter/bloom_filter.rb
@@ -8,8 +8,8 @@ module Filter
       class BloomFilter
         def initialize(capacity, false_positive_probability = 0.001)
           @capacity = capacity.round
-          m = best_m(capacity, false_positive_probability)
-          @ba = BitArray.new(m.round)
+          @m = best_m(capacity, false_positive_probability)
+          reset_filter
           @k = best_k(capacity)
         end
 
@@ -17,22 +17,26 @@ def add(string)
           return false if contains?(string)
 
           positions = hashes(string)
-          
           positions.each { |position| @ba[position] = 1 }
 
           true
         end
-      
+
         def contains?(string)
           !hashes(string).any? { |ea| @ba[ea] == 0 }
         end
 
         def clear
-          @ba.size.times { |i| @ba[i] = 0 }
+          @ba.delete()
+          reset_filter
         end
-      
+
         private
 
+        def reset_filter
+          @ba = BitArray.new(@m.round)
+        end
+
         # m is the required number of bits in the array
         def best_m(capacity, false_positive_probability)
           -(capacity * Math.log(false_positive_probability)) / (Math.log(2) ** 2)

From eb7509bf2a8477d936c9d21cadf9f728510b0802 Mon Sep 17 00:00:00 2001
From: Bilal Al <bilal.al-shahwany@split.io>
Date: Mon, 16 Dec 2024 10:50:33 -0800
Subject: [PATCH 2/2] setting object to nil instead

---
 lib/splitclient-rb/cache/filter/bloom_filter.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/splitclient-rb/cache/filter/bloom_filter.rb b/lib/splitclient-rb/cache/filter/bloom_filter.rb
index 70548566..aa602807 100644
--- a/lib/splitclient-rb/cache/filter/bloom_filter.rb
+++ b/lib/splitclient-rb/cache/filter/bloom_filter.rb
@@ -27,7 +27,7 @@ def contains?(string)
         end
 
         def clear
-          @ba.delete()
+          @ba = nil
           reset_filter
         end