Q&A
Ask and answer questions to make information more available to wider audiences.
answers 1
Answer 1
Jose Grimsbro
@josegrimsbro 12, Jun 2023 07:33 PM
HDFS is fault-tolerant because it replicates data on different DataNodes. By default, a block of data is replicated on three DataNodes. The data blocks are stored in different DataNodes. If one node crashes, the data can still be retrieved from other DataNodes.