HBase

Our experts have administered HBase in multiple high-volume production environments, including a billions-of-records-weekly popular internet web site, and a billions-of-records-daily popular multiplayer game. 

In the typical deployment pattern, events are written into HDFS via Flume or Scribe, then aggregated using M/R jobs into statistics stored in HBase. We recommend and are familiar with this pattern of HBase usage, and are happy to help you determine how to best use HBase in your own environment.