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author | Mark Hamstra <markhamstra@gmail.com> | 2013-02-10 12:55:47 -0800 |
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committer | Mark Hamstra <markhamstra@gmail.com> | 2013-02-10 12:55:47 -0800 |
commit | 4975dcdafc0e4b1ab8c6e91525e01a84a0a934aa (patch) | |
tree | d009d6829b6f33161b12454633f99e85fdcfc13c /docs/tuning.md | |
parent | 84587a9bf3c734be151251b97ac5af48eb03f4d9 (diff) | |
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diff --git a/docs/tuning.md b/docs/tuning.md index 9aaa53cd65..738c530458 100644 --- a/docs/tuning.md +++ b/docs/tuning.md @@ -233,7 +233,7 @@ number of cores in your clusters. ## Broadcasting Large Variables -Using the [broadcast functionality](scala-programming-guide#broadcast-variables) +Using the [broadcast functionality](scala-programming-guide.html#broadcast-variables) available in `SparkContext` can greatly reduce the size of each serialized task, and the cost of launching a job over a cluster. If your tasks use any large object from the driver program inside of them (e.g. a static lookup table), consider turning it into a broadcast variable. |