[Solved] What is a key feature of Avro serialization format in Hadoop ecosystems? — Ans: It stores data in a compact binary row-based format with schema support | Hadoop

Hadoop - Performance Tuning

What is a key feature of Avro serialization format in Hadoop ecosystems?

AIt stores data in plain text without schema

BIt stores data in a compact binary row-based format with schema support

CIt stores data in columnar format for fast analytics

DIt compresses data without schema information

Step-by-Step Solution

Solution:

Step 1: Identify Avro characteristics
Avro stores data in a compact binary format and always includes a schema for serialization and deserialization.
Step 2: Eliminate incorrect options
Avro is not plain text, not columnar, and schema is mandatory, so options A, C, and D are incorrect.
Final Answer:
It stores data in a compact binary row-based format with schema support -> Option B
Quick Check:
Avro = binary row + schema [OK]

Quick Trick: Avro always includes schema with binary row data [OK]

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What is a key feature of Avro serialization format in Hadoop ecosystems?