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Why Replication Is Pursued In Hdfs Though It May Cause Data Redundancy? |
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Answer» SYSTEMS with average configuration are vulnerable to crash at any time. HDFS replicates and stores data at three different locations that MAKES the system highly fault tolerant. If data at one location becomes corrupt and is inaccessible it can be RETRIEVED from another location. This insightful CLOUDERA ARTICLE shows the steps for running HDFS on a cluster. Systems with average configuration are vulnerable to crash at any time. HDFS replicates and stores data at three different locations that makes the system highly fault tolerant. If data at one location becomes corrupt and is inaccessible it can be retrieved from another location. This insightful Cloudera article shows the steps for running HDFS on a cluster. |
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