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From zhangyujian1984 <zhangyujian1...@gmail.com>
Subject Reliability of Hadoop
Date Thu, 04 Dec 2014 08:40:10 GMT
       hadoop uses rank-aware data placement policy, blocks are randomly placed in datanodes.
I wonder how to measure the reliability of the cluster. if i changed data placement policy,
can i compare the reliability of the two policies.

Best Regards

Yu-jian Zhang
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