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learn:bigdata:name_node [2014/08/07 17:57] – [Name node] yehudalearn:bigdata:name_node [2022/01/03 16:03] (current) – external edit 127.0.0.1
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   * Block Mapping   * Block Mapping
   * Send cordinates to clients where to get the [[Data blocks]] and witch [[Data node]]   * Send cordinates to clients where to get the [[Data blocks]] and witch [[Data node]]
-  * [[Name node]] retrives every 3 secounds heart-bit from [[Data node]] +  * [[Name node]] retrives every __3 secounds__ heart-bit from [[Data node]] 
-  * If [[Name node]] not retrives from the [[Data node]] heart-bit more then 10 minutes [[Name node]] will consedure the [[Data node]] as a [[Dead node]] there where it start to replicate all blocks from a [[Dead node]] to other nodes  +  * If [[Name node]] not retrives from the [[Data node]] heart-bit more then __10 minutes__ [[Name node]] will consedure the [[Data node]] as a [[Dead node]] and the [[Name node]] start to replicate all [[Data blocks]] that has on a [[Dead node]] to other nodes  
  
 ===== Requriements ===== ===== Requriements =====
learn/bigdata/name_node.1407434274.txt.gz · Last modified: (external edit)
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