some questions about param num_workers #2844
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Pomelochen
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你好,一般来讲,图会被分为 num_workers 个分区,在计算过程中多分区会涉及到通信的过程。 如果单 worker 可以载完全图,那么效果会比再拆分多分区要好。 多worker 的情况一般为单台机器内存不足够载入全图的情况,比如数百亿节点的图。 |
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分别在hosts模式和k8s模式下对参数num_workers进行了一些图分析算法的测试,例如pagerank,sssp,clustrring等,有一些疑问。
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