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[SPARK-32701][CORE][DOCS] mapreduce.fileoutputcommitter.algorithm.version default value #29541

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[SPARK-32701][CORE][DOCS] mapreduce.fileoutputcommitter.algorithm.version default value #29541

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7 changes: 6 additions & 1 deletion docs/configuration.md
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Expand Up @@ -1761,11 +1761,16 @@ Apart from these, the following properties are also available, and may be useful
</tr>
<tr>
<td><code>spark.hadoop.mapreduce.fileoutputcommitter.algorithm.version</code></td>
<td>1</td>
<td>Dependent on environment</td>
<td>
The file output committer algorithm version, valid algorithm version number: 1 or 2.
Version 2 may have better performance, but version 1 may handle failures better in certain situations,
as per <a href="https://issues.apache.org/jira/browse/MAPREDUCE-4815">MAPREDUCE-4815</a>.
The default value depends on the Hadoop version used in an environment:
1 for Hadoop versions lower than 3.0
2 for Hadoop versions 3.0 and higher
It's important to note that this can change back to 1 again in the future once <a href="https://issues.apache.org/jira/browse/MAPREDUCE-7282">MAPREDUCE-7282</a>
is fixed and merged.
</td>
<td>2.2.0</td>
</tr>
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