attilapiros commented on a change in pull request #23278: [SPARK-24920][Core]
Allow sharing Netty's memory pool allocators
URL: https://github.com/apache/spark/pull/23278#discussion_r245491896
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File path: docs/configuration.md
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@@ -1505,6 +1505,16 @@ Apart from these, the following properties are also
available, and may be useful
<code>spark.rpc.lookupTimeout</code> if they are not configured.
</td>
</tr>
+<tr>
+ <td><code>spark.network.io.preferDirectBufs</code></td>
+ <td>true</td>
+ <td>
+ If enable then off-heap buffer allocations are prefered by the shared
ByteBuf allocators.
Review comment:
Instead of replacing ByteBuf with ByteBuffer I have just removed it (as
ByteBuf and ByteBuffer is really two separate things: ByteBuf is Netty related
and ByteBuffer is nio related).
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