From 6777bd262987ee018f0fb20c729b1f67efb3d1c6 Mon Sep 17 00:00:00 2001
From: Sam Saffron <sam.saffron@gmail.com>
Date: Sat, 16 Jul 2016 15:11:34 +1000
Subject: [PATCH] warm up v8 after fork

---
 config/unicorn.conf.rb | 4 ++++
 lib/discourse.rb       | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/config/unicorn.conf.rb b/config/unicorn.conf.rb
index 1e3752218d..b364b45e9e 100644
--- a/config/unicorn.conf.rb
+++ b/config/unicorn.conf.rb
@@ -164,5 +164,9 @@ before_fork do |server, worker|
 end
 
 after_fork do |server, worker|
+  # warm up v8 after fork, that way we do not fork a v8 context
+  # it may cause issues if bg threads in a v8 isolate randomly stop
+  # working due to fork
   Discourse.after_fork
+  PrettyText.cook("warm up **pretty text**")
 end
diff --git a/lib/discourse.rb b/lib/discourse.rb
index eff8f9aca1..fc9b737700 100644
--- a/lib/discourse.rb
+++ b/lib/discourse.rb
@@ -321,6 +321,9 @@ module Discourse
     # re-establish
     Sidekiq.redis = sidekiq_redis_config
     start_connection_reaper
+
+    # in case v8 was initialized we want to make sure it is nil
+    PrettyText.reset_context
     nil
   end