I could see it being used for the metadata and root table files, at a minimum. Also useful for other reused information in HDFS- tableId for HdfsZooInstance, KeyEncryptionKey if that's being used. Maybe root/metadata WALogs as well.
On Tue, Feb 25, 2014 at 10:49 AM, Donald Miner <[email protected]>wrote: > HDFS caching is part of the new Hadoop 2.3 release. From what I > understand, it allows you to mark specific files to be held in memory for > faster reads. > > Has anyone thought about how Accumulo could leverage this? >
