What is Loader used for?

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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