https://community.cloudera.com/t5/Support-Questions/Minimum-number-of-nodes-and-specs-for-a-real-cluster/m-p/36511#M52143 <P>Our test cluster (on amazon):</P><P>- 5 workers&nbsp;m4.xlarge, 250 GB disk magnetic (we increased the disk&nbsp;to 1T afterwards)</P><P>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;* we used one of the 5 machine just for flume(kafka)&nbsp;</P><P>- 2 masters <SPAN>m4.2xlarge</SPAN>, 125 GB SSD (we decreased the memory and CPU afterwards ==&gt;&nbsp;<SPAN>m4.xlarge</SPAN>)</P><P>&nbsp;</P><P>This was perfect for us for testing purposes.</P><P>&nbsp;</P> Fri, 22 Jan 2016 09:56:41 GMT AlinaGHERMAN 2016-01-22T09:56:41Z