From 8b59d177db2373e28f5c73de38da168a5cc2fc11 Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Thu, 23 Aug 2018 17:01:50 +0200
Subject: [PATCH] [Cache] enable Memcached::OPT_TCP_NODELAY to fix perf of
 misses

---
 .../Component/Cache/Tests/Adapter/MemcachedAdapterTest.php       | 1 +
 src/Symfony/Component/Cache/Traits/MemcachedTrait.php            | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/Symfony/Component/Cache/Tests/Adapter/MemcachedAdapterTest.php b/src/Symfony/Component/Cache/Tests/Adapter/MemcachedAdapterTest.php
index 76e0608006..d1f8790340 100644
--- a/src/Symfony/Component/Cache/Tests/Adapter/MemcachedAdapterTest.php
+++ b/src/Symfony/Component/Cache/Tests/Adapter/MemcachedAdapterTest.php
@@ -89,6 +89,7 @@ class MemcachedAdapterTest extends AdapterTestCase
 
         $this->assertTrue($client->getOption(\Memcached::OPT_COMPRESSION));
         $this->assertSame(1, $client->getOption(\Memcached::OPT_BINARY_PROTOCOL));
+        $this->assertSame(1, $client->getOption(\Memcached::OPT_TCP_NODELAY));
         $this->assertSame(1, $client->getOption(\Memcached::OPT_LIBKETAMA_COMPATIBLE));
     }
 
diff --git a/src/Symfony/Component/Cache/Traits/MemcachedTrait.php b/src/Symfony/Component/Cache/Traits/MemcachedTrait.php
index 7e36164293..5983d9ebd1 100644
--- a/src/Symfony/Component/Cache/Traits/MemcachedTrait.php
+++ b/src/Symfony/Component/Cache/Traits/MemcachedTrait.php
@@ -134,6 +134,7 @@ trait MemcachedTrait
             $options = array_change_key_case($options, CASE_UPPER);
             $client->setOption(\Memcached::OPT_BINARY_PROTOCOL, true);
             $client->setOption(\Memcached::OPT_NO_BLOCK, true);
+            $client->setOption(\Memcached::OPT_TCP_NODELAY, true);
             if (!array_key_exists('LIBKETAMA_COMPATIBLE', $options) && !array_key_exists(\Memcached::OPT_LIBKETAMA_COMPATIBLE, $options)) {
                 $client->setOption(\Memcached::OPT_LIBKETAMA_COMPATIBLE, true);
             }