Greenplum vs Hadoop Disk Space

Posted by scottk on May 24, 2010 in Ramblings | ∞

I’ve been spending a whole lot of time calculating Greenplum vs Hadoop disk usage. So here the general equation (MaxAllocFactor * DiskSize * ( #Disk – RaidDisks ) ) / ReplicationFactor MaxAllocFactor = Max recommended allocation. 70% for Greenplum and 75% for Hadoop DiskSize = Size of your drive #Disk = Number of drives RaidDisks […]