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tqchen 2015-01-12 11:55:42 -08:00
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multi-node/hadoop/README.md
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@ -35,7 +35,9 @@ If you have used xgboost (single machine version) before, this section will show
* The model saved by hadoop version is compatible with single machine version. * The model saved by hadoop version is compatible with single machine version.
Notes Notes
==== ====
* The code has been tested on MapReduce 1 (MRv1) and YARN, it recommended run on MapReduce 2 (MRv2, YARN). * The code has been tested on MapReduce 1 (MRv1) and YARN.
* The code is multi-threaded, so you want to run one xgboost per node/worker, which means you want to set <n_thread_per_worker> to be number of cores you have on each machine. - We recommend to run it on MapReduce 2 (MRv2, YARN) so that multi-threading can be enabled.
* The code is optimized with multi-threading, so you will want to run one xgboost per node/worker for best performance.
- You will want to set <n_thread_per_worker> to be number of cores you have on each machine.
- You will need YARN to set specify number of cores of each worker - You will need YARN to set specify number of cores of each worker