From f36cdc4d7f45d1a3f8edd2d804c38b0b39990410 Mon Sep 17 00:00:00 2001
From: Weiwei Yang <wwei@apache.org>
Date: Mon, 17 Jun 2019 21:45:28 -0700
Subject: [PATCH] HDFS-12770. Add doc about how to disable client socket cache.
 Contributed by Weiwei Yang.

Signed-off-by: Wei-Chiu Chuang <weichiu@apache.org>
(cherry picked from commit 6ec57fe6a45df0e9216bbbba85b5bf61da1bf2ca)
---
 .../hadoop-hdfs/src/main/resources/hdfs-default.xml              | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
index 20d95d59d5c..5048bc8e2b3 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
@@ -3810,6 +3810,7 @@
   <value>16</value>
   <description>
     Socket cache capacity (in entries) for short-circuit reads.
+    If this value is set to 0, the client socket cache is disabled.
   </description>
 </property>