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Diffstat (limited to 'docs/python-programming-guide.md')
| -rw-r--r-- | docs/python-programming-guide.md | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/docs/python-programming-guide.md b/docs/python-programming-guide.md index c2e5327324..888631e702 100644 --- a/docs/python-programming-guide.md +++ b/docs/python-programming-guide.md @@ -82,15 +82,16 @@ The Python shell can be used explore data interactively and is a simple way to l >>> help(pyspark) # Show all pyspark functions {% endhighlight %} -By default, the `bin/pyspark` shell creates SparkContext that runs applications locally on a single core. -To connect to a non-local cluster, or use multiple cores, set the `MASTER` environment variable. +By default, the `bin/pyspark` shell creates SparkContext that runs applications locally on all of +your machine's logical cores. +To connect to a non-local cluster, or to specify a number of cores, set the `MASTER` environment variable. For example, to use the `bin/pyspark` shell with a [standalone Spark cluster](spark-standalone.html): {% highlight bash %} $ MASTER=spark://IP:PORT ./bin/pyspark {% endhighlight %} -Or, to use four cores on the local machine: +Or, to use exactly four cores on the local machine: {% highlight bash %} $ MASTER=local[4] ./bin/pyspark |