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[SPARK-21593][DOCS] Fix 2 rendering errors on configuration page #18793

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[SPARK-21593][DOCS] Fix 2 rendering errors on configuration page #18793

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22 changes: 12 additions & 10 deletions docs/configuration.md
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Original file line number Diff line number Diff line change
Expand Up @@ -536,15 +536,17 @@ Apart from these, the following properties are also available, and may be useful
</td>
</tr>
<tr>
<td><code>spark.reducer.maxBlocksInFlightPerAddress</code></td>
<td>Int.MaxValue</td>
<td>
This configuration limits the number of remote blocks being fetched per reduce task from a
given host port. When a large number of blocks are being requested from a given address in a
single fetch or simultaneously, this could crash the serving executor or Node Manager. This
is especially useful to reduce the load on the Node Manager when external shuffle is enabled.
You can mitigate this issue by setting it to a lower value.
</td>
<td><code>spark.reducer.maxBlocksInFlightPerAddress</code></td>
<td>Int.MaxValue</td>
<td>
This configuration limits the number of remote blocks being fetched per reduce task from a
given host port. When a large number of blocks are being requested from a given address in a
single fetch or simultaneously, this could crash the serving executor or Node Manager. This
is especially useful to reduce the load on the Node Manager when external shuffle is enabled.
You can mitigate this issue by setting it to a lower value.
</td>
</tr>
<tr>
<td><code>spark.reducer.maxReqSizeShuffleToMem</code></td>
<td>Long.MaxValue</td>
<td>
Expand Down Expand Up @@ -1081,7 +1083,7 @@ Apart from these, the following properties are also available, and may be useful
</td>
</tr>
<tr>
<td><code>spark.storage.replication.proactive<code></td>
<td><code>spark.storage.replication.proactive</code></td>
<td>false</td>
<td>
Enables proactive block replication for RDD blocks. Cached RDD block replicas lost due to
Expand Down