The Hortonworks Blog

More from Arpit Agarwal

Hadoop has traditionally been used for batch processing data at large scale. Batch processing applications care more about raw sequential throughput than low-latency and hence the existing HDFS model where all attached storages are assumed to be spinning disks has worked well.

There is an increasing interest in using Hadoop for interactive query processing e.g. via Hive. Another class of applications makes use of random IO patterns e.g. HBase. Either class of application benefits from lower latency storage media.…

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