From a75009a65e1335047dff5488b4e67bdc03677590 Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Sun, 8 Sep 2019 19:17:57 +0200
Subject: [PATCH] Change half-life of trend decay (#11774)
---
app/models/trending_tags.rb | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/app/models/trending_tags.rb b/app/models/trending_tags.rb
index e1b92b1757..8cdade42d4 100644
--- a/app/models/trending_tags.rb
+++ b/app/models/trending_tags.rb
@@ -7,8 +7,8 @@ class TrendingTags
THRESHOLD = 5
LIMIT = 10
REVIEW_THRESHOLD = 3
- MAX_SCORE_COOLDOWN = 3.days.freeze
- MAX_SCORE_HALFLIFE = 6.hours.freeze
+ MAX_SCORE_COOLDOWN = 2.days.freeze
+ MAX_SCORE_HALFLIFE = 2.hours.freeze
class << self
include Redisable
@@ -83,6 +83,7 @@ class TrendingTags
# Trim older items
redis.zremrangebyrank(KEY, 0, -(LIMIT + 1))
+ redis.zremrangebyscore(KEY, '(0.3', '-inf')
end
def get(limit, filtered: true)