diff options
Diffstat (limited to 'docs/configuration.md')
| -rw-r--r-- | docs/configuration.md | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/docs/configuration.md b/docs/configuration.md index 00864906b3..3bb655075f 100644 --- a/docs/configuration.md +++ b/docs/configuration.md @@ -98,7 +98,7 @@ Apart from these, the following properties are also available, and may be useful <td>spark.default.parallelism</td> <td>8</td> <td> - Default number of tasks to use for distributed shuffle operations (<code>groupByKey</code>, + Default number of tasks to use across the cluster for distributed shuffle operations (<code>groupByKey</code>, <code>reduceByKey</code>, etc) when not set by user. </td> </tr> @@ -158,7 +158,9 @@ Apart from these, the following properties are also available, and may be useful <td>spark.shuffle.spill.compress</td> <td>true</td> <td> - Whether to compress data spilled during shuffles. + Whether to compress data spilled during shuffles. If enabled, spill compression + always uses the `org.apache.spark.io.LZFCompressionCodec` codec, + regardless of the value of `spark.io.compression.codec`. </td> </tr> <tr> @@ -379,13 +381,6 @@ Apart from these, the following properties are also available, and may be useful Too large a value decreases parallelism during broadcast (makes it slower); however, if it is too small, <code>BlockManager</code> might take a performance hit. </td> </tr> -<tr> - <td>akka.x.y....</td> - <td>value</td> - <td> - An arbitrary akka configuration can be set directly on spark conf and it is applied for all the ActorSystems created spark wide for that SparkContext and its assigned executors as well. - </td> -</tr> <tr> <td>spark.shuffle.consolidateFiles</td> |