# Page Not Found

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- [TreeReduce and TreeAggregate Demystified](https://umbertogriffo.gitbook.io/apache-spark-best-practices-and-tuning/rdd/treereduce_and_treeaggregate_demystified.md)
- [Use TreeReduce/TreeAggregate instead of Reduce/Aggregate](https://umbertogriffo.gitbook.io/apache-spark-best-practices-and-tuning/rdd/avoid_groupbykey_when_performing_an_associative_re/use-treereducetreeaggregate-instead-of-reduceaggregate.md)
- [References](https://umbertogriffo.gitbook.io/apache-spark-best-practices-and-tuning/references-1/references.md)
- [Use the Best Data Format](https://umbertogriffo.gitbook.io/apache-spark-best-practices-and-tuning/storage/use-the-best-data-format.md)
- [Joining a large and a small Dataset](https://umbertogriffo.gitbook.io/apache-spark-best-practices-and-tuning/dataframe/joining-a-large-and-a-medium-size-dataset.md)

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