close Warning: Can't synchronize with repository "(default)" (Unsupported version control system "svn": /usr/lib/python2.7/dist-packages/libsvn/_repos.so: failed to map segment from shared object: Cannot allocate memory). Look in the Trac log for more information.

Changes between Version 3 and Version 4 of jazz/09-09-02


Ignore:
Timestamp:
Sep 2, 2009, 8:01:08 PM (16 years ago)
Author:
jazz
Comment:

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  • jazz/09-09-02

    v3 v4  
    99}}}
    1010   * [[Image(mem_usage_of_hadoop_cluster.png,size=400)]]
     11  * [追蹤二] 實際會使用記憶體的程序有：datanode, tasktracker, mapper, reducer，因此 mapper 個數與 reducer 個數也會受限於實際記憶體大小
     12   * [[Image(hadoop_task_mem_usage.png,size=400)]]
    1113 * 在電腦教室測試多核心的 restore - 測 20090831-karmic 那個版本