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Reduce user active duration from 7 days to 2 days (#8282) 

To minimize fanout work and redis home feed storage space when
there are lots of recent sign-ups
This commit is contained in:
Eugen Rochko 2018-08-19 03:50:34 +02:00 committed by GitHub
parent 19b07ba260
commit 59c68c1a74
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1 changed files with 8 additions and 1 deletions
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9
app/models/user.rb
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@ -42,7 +42,14 @@ class User < ApplicationRecord
include Settings::Extend
include Omniauthable
ACTIVE_DURATION = 7.days
# The home and list feeds will be stored in Redis for this amount
# of time, and status fan-out to followers will include only people
# within this time frame. Lowering the duration may improve performance
# if lots of people sign up, but not a lot of them check their feed
# every day. Raising the duration reduces the amount of expensive
# RegenerationWorker jobs that need to be run when those people come
# to check their feed
ACTIVE_DURATION = ENV.fetch('USER_ACTIVE_DAYS', 7).to_i.days
devise :two_factor_authenticatable,
otp_secret_encryption_key: Rails.configuration.x.otp_secret