Author Archives: Krishna Maheshwari

CDH 6.2 Release: What’s new in HBase

Categories: CDH

Cloudera recently launched CDH 6.2 which includes two new key features in Apache HBase:

  1. Serial replication
  2. Bucket cache now supports Intel’s Optane memory

Serial replication

HBase has a sophisticated asynchronous replication mechanism that supports complex topologies today that include global round-robin, two way, span-in and span-out topologies.

This replication capability, to date, provides eventual consistency — meaning that the order in which updates are replicated is not necessarily the same as the order in which they were applied to the database.  

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