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Hadoop cluster takeover with Apache Ambari
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We recently migrated a large production Hadoop cluster from a “manual” automated install to Apache Ambari, we called this the Ambari Takeover. This is a risky process and we will detail why this…
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Zookeeper is a critical component to Hadoop’s high availability operation. The latter protects itself by limiting the number of maximum connections (maxConns = 400). However Zookeeper does not protect…
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