From 30ebf1a233295539c2455bd838bae7315711e1e2 Mon Sep 17 00:00:00 2001
From: Hossein <hossein@databricks.com>
Date: Wed, 10 Jun 2015 13:18:48 -0700
Subject: [SPARK-8282] [SPARKR] Make number of threads used in RBackend
 configurable

Read number of threads for RBackend from configuration.

[SPARK-8282] #comment Linking with JIRA

Author: Hossein <hossein@databricks.com>

Closes #6730 from falaki/SPARK-8282 and squashes the following commits:

33b3d98 [Hossein] Documented new config parameter
70f2a9c [Hossein] Fixing import
ec44225 [Hossein] Read number of threads for RBackend from configuration
---
 docs/configuration.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'docs/configuration.md')

diff --git a/docs/configuration.md b/docs/configuration.md
index 3960e7e78b..95a322f79b 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -1495,6 +1495,18 @@ Apart from these, the following properties are also available, and may be useful
 </tr>
 </table>
 
+#### SparkR
+<table class="table">
+<tr><th>Property Name</th><th>Default</th><th>Meaning</th></tr>
+<tr>
+  <td><code>spark.r.numRBackendThreads</code></td>
+  <td>2</td>
+  <td>
+    Number of threads used by RBackend to handle RPC calls from SparkR package.
+  </td>
+</tr>
+</table>
+
 #### Cluster Managers
 Each cluster manager in Spark has additional configuration options. Configurations
 can be found on the pages for each mode:
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