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[SPARK-4761] [DOC] [SQL] kryo default setting in SQL Thrift server

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this is a follow up of #3621

/cc liancheng pwendell

Author: Daoyuan Wang <daoyuan.wang@intel.com>

Closes #6639 from adrian-wang/kryodoc and squashes the following commits:

3c4b1cf [Daoyuan Wang] [DOC] kryo default setting in SQL Thrift server

(cherry picked from commit 10fc2f6f51)
Signed-off-by: Reynold Xin <rxin@databricks.com>
This commit is contained in:
Daoyuan Wang 2015-06-08 01:07:50 -07:00 committed by Reynold Xin
parent b9c046f6d7
commit 58bfdd6212
1 changed files with 5 additions and 2 deletions
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7
docs/configuration.md
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@ -618,7 +618,7 @@ Apart from these, the following properties are also available, and may be useful
</tr>
<tr>
<td><code>spark.kryo.referenceTracking</code></td>
<td>true</td>
<td>true (false when using Spark SQL Thrift Server)</td>
<td>
Whether to track references to the same object when serializing data with Kryo, which is
necessary if your object graphs have loops and useful for efficiency if they contain multiple
@ -679,7 +679,10 @@ Apart from these, the following properties are also available, and may be useful
</tr>
<tr>
<td><code>spark.serializer</code></td>
<td>org.apache.spark.serializer.<br />JavaSerializer</td>
<td>
org.apache.spark.serializer.<br />JavaSerializer (org.apache.spark.serializer.<br />
KryoSerializer when using Spark SQL Thrift Server)
</td>
<td>
Class to use for serializing objects that will be sent over the network or need to be cached
in serialized form. The default of Java serialization works with any Serializable Java object