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What are the functions of NodeManager?

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A NodeManager is the resource and task manager of each node. On one hand, a NodeManager periodically reports to its associated ResourceManager regrading resource usage of the local node and the running status of each Container. On the other hand, a NodeManager receives and processes requests from its associated ApplicationMaster for starting or stopping Containers.

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What is the function of MBGP

In MSDP, the unicast route for the RPF check can be an IGP route or a BGP route. MBGP only separates the unicast routing table and the multicast routing table through the related address family to support different unicast topologies and multicast topologies. Unicast and multicast can adopt the same topology.

What are the functions of Loader?

Compared with conventional Extract-Transform-Load (ETL), Loader has the following advantage and disadvantage: 1. Advantage: Loader uses a MapReduce-based parallel computing architecture as the underlying architecture, which delivers a faster data processing speed than ETL. 2. Disadvantage: Compared with ETL, Loader focuses more on the data import and export function of FusionInsight Hadoop and is weak in data conversion.

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Oozie is an open source workflow engine that is used to schedule and coordinate Hadoop jobs.

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What are the functions of NodeManager?

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