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| author | Keiji Yoshida <yoshida.keiji.84@gmail.com> | 2015-08-22 02:38:10 -0700 |
|---|---|---|
| committer | Reynold Xin <rxin@databricks.com> | 2015-08-22 02:38:10 -0700 |
| commit | 46fcb9e0dbb2b28110f68a3d9f6c0c47bfd197b1 (patch) | |
| tree | 9839bdc4f25ff32fd23006065a076c7df8e4ad7e /docs/programming-guide.md | |
| parent | 630a994e6a9785d1704f8e7fb604f32f5dea24f8 (diff) | |
| download | spark-46fcb9e0dbb2b28110f68a3d9f6c0c47bfd197b1.tar.gz spark-46fcb9e0dbb2b28110f68a3d9f6c0c47bfd197b1.tar.bz2 spark-46fcb9e0dbb2b28110f68a3d9f6c0c47bfd197b1.zip | |
Update programming-guide.md
Update `lineLengths.persist();` to `lineLengths.persist(StorageLevel.MEMORY_ONLY());` because `JavaRDD#persist` needs a parameter of `StorageLevel`.
Author: Keiji Yoshida <yoshida.keiji.84@gmail.com>
Closes #8372 from yosssi/patch-1.
Diffstat (limited to 'docs/programming-guide.md')
| -rw-r--r-- | docs/programming-guide.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/docs/programming-guide.md b/docs/programming-guide.md index 982c5eabe6..4cf83bb392 100644 --- a/docs/programming-guide.md +++ b/docs/programming-guide.md @@ -549,7 +549,7 @@ returning only its answer to the driver program. If we also wanted to use `lineLengths` again later, we could add: {% highlight java %} -lineLengths.persist(); +lineLengths.persist(StorageLevel.MEMORY_ONLY()); {% endhighlight %} before the `reduce`, which would cause `lineLengths` to be saved in memory after the first time it is computed. |