Re-tune HHVM thread count

After changing the MySQL connection limit, I re-tuned the PHP5/7 FCGI child count, but not the HHVM thread count. It should be *MUCH* higher now.
facebookarchive · Jan 23, 2015 · 2588cc4 · 2588cc4
1 parent 780dfe6
commit 2588cc4
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/conf/php.ini b/conf/php.ini
@@ -14,6 +14,9 @@ date.timezone=America/Los_Angeles
 ;;;;;;;;;;;;;
 ; HHVM Only ;
 ;;;;;;;;;;;;;
+; HHVM's default is 2*CPU cores; this works reasonably well if you're using
+; HHVM's async features, however it's way too low for most other loads.
+hhvm.server.thread_count=200
 ; This is a no-op on production builds, but makes it possible to get meaningful
 ; profiles from debug builds
 hhvm.hhir_generate_asserts=0