HBaseCon 2013: Compaction Improvements in Apache HBase

Compactions are a critical aspect of HBase storage design, yet they are frequently a pain point in cluster management, affecting the availability and requiring manual tuning. This talk from Hortonworks' Sergey Shelukhin provides a brief overview of existing HBase compaction algorithm, the problems it encounters in specific data scenarios and in normal operation, as well as improvements recently made to it.