Differences
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| learn:bigdata:hdfs [2014/08/07 16:38] – [MapReduce world] yehuda | learn:bigdata:hdfs [2022/01/03 16:03] (current) – external edit 127.0.0.1 | ||
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| Line 4: | Line 4: | ||
| * HDFS has [[wp> | * HDFS has [[wp> | ||
| * HDFS Master / Slaves architecture | * HDFS Master / Slaves architecture | ||
| + | |||
| + | ===== HDFS Features ===== | ||
| + | * Rack awarness - What happends if entire rack is lost ? | ||
| + | * Reliable storage | ||
| + | * High throughput | ||
| ===== Tools ===== | ===== Tools ===== | ||
| * [[dfsadmin]] | * [[dfsadmin]] | ||
| Line 15: | Line 20: | ||
| * [[Data node]] - Block Ops, Replications | * [[Data node]] - Block Ops, Replications | ||
| ==== MapReduce world ==== | ==== MapReduce world ==== | ||
| + | See: [[MapReduce]] | ||
| * Master: [[Job tracker]] - controller of [[Task tracker|Task trackers]] | * Master: [[Job tracker]] - controller of [[Task tracker|Task trackers]] | ||
| * [[Task tracker]] | * [[Task tracker]] | ||
