The secondary node is promoted to primary if the clustering solution detects that the primary node is down.
如果集群解决方案检测到主节点故障，辅助节点升为主节点。
One of the servers is commonly defined as the primary and the other secondary (typically as part of a clustering solution).
其中一个服务器被定义为主服务器，另一个是辅助服务器(通常是集群解决方案的一部分)。
Although relatively young in open source terms, Mahout already has a large amount of functionality, especially in relation to clustering and CF. Mahout's primary features are.
虽然在开源领域中相对较为年轻，但Mahout已经提供了大量功能，特别是在集群和CF方面。
With strong ability of discovery of arbitrary shape clusters and handling noise, density based clustering is one of primary methods for data mining.
基于密度的聚类算法因其抗噪声能力强和能发现任意形状的簇等优点，在聚类分析中被广泛采用。
Second, after all clustering algorithms are described in brief, the partition algorithm which is related to this paper is proposed, and the method of selecting primary centers is also proposed.
其次，在对各种聚类算法进行简单描述后，提出了本文所涉及到的基于划分的聚类算法，并提出了本文中的算法对聚类分析中普遍存在的初始中心选择问题的处理方式。
Second, after all clustering algorithms are described in brief, the partition algorithm which is related to this paper is proposed, and the method of selecting primary centers is also proposed.
其次，在对各种聚类算法进行简单描述后，提出了本文所涉及到的基于划分的聚类算法，并提出了本文中的算法对聚类分析中普遍存在的初始中心选择问题的处理方式。
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