Currently this feature is not available. But there is a JIRA that has been raised to help in achieving this. https://issues.apache.org/jira/browse/HBASE-6572. Feel free to give your comments over there.
Regards Ram On Tue, Jun 11, 2013 at 6:14 AM, Lucas Stanley <[email protected]> wrote: > Hi, > > If I understand HBase's architecture correctly, it is only the WAL that > needs to be placed on a SSD to make writes perform better? > > Because a write comes to a region server, then goes to the WAL and > memstore. If the WAL is on SSD on this node and 2 other DataNodes, then the > append writes will finish much faster, right? > > So, is there a way in HDFS to tell it to only put the HBase WALs > (/hbase/.logs/) on a SSD disk and to keep the other HFiles on traditional > spinning disks? >
