Cloudera
CCA-500 · Question #83
What metadata is stored on a DataNode when a block is written to it?
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Resource Management
Question
What metadata is stored on a DataNode when a block is written to it?
Options
- ANone. Only the block itself is written.
- BChecksums for the data in the block, as a separate file.
- CInformation on the file's location in HDFS.
- DNode location of each block belonging to the same namespace.
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Topics
#DataNode#block metadata#HDFS#checksums