Changes between Version 16 and Version 17 of jazz/08-11-07


Ignore:
Timestamp:
Nov 8, 2008, 1:40:28 AM (16 years ago)
Author:
jazz
Comment:

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  • jazz/08-11-07

    v16 v17  
    3232 * 關於不同 namenode 之間的 DFS 資料對拷可以使用 [http://hadoop.apache.org/core/docs/r0.18.2/distcp.html DistCp]
    3333 * [http://hadoop.apache.org/core/docs/r0.18.2/hod.html Hadoop On Demand] - a system for provisioning virtual Hadoop clusters over a large physical cluster.
     34
     35 * Q: 不同 subnet 如何處理?
     36   * 1,000 台一定超過 class C 的 subnet 範圍，那麼 Yahoo 是怎麼處理 Hadoop Cluster 的呢?
     37   * 如果有多個 namenode,
     38   * 內部維護 DNS 對應? Hadoop 到底怎麼讀取 /etc/hosts ?