Hi, I'm completely new to Cloudera. My system has been designed and set up by a colleague who has left the organisation and there is no documentation. I understand that Cloudera is a distribution of the Hadoop database. I've been asked to "open" certain ports in my firewall for Cloudera. Cloudera is being used with SAS. There is a guide to the ports to open here: http://www.cloudera.com/documentation/archive/manager/4-x/4-6-0/Cloudera-Manager-Installation-Guide/cmig_ports_CM.html My site has 3 physical servers for hadoop and 1 server for the app server (SAS) The questions I have are: 1. In the reference mentions the components, "Cloudera Manager Server","Cloudera Manager Event Server","Cloudera Manager Alert Publisher", "Cloudera Manager Activity Monitor","Cloudera Manager Host Monitor","Cloudera Manager Report Manager". Are these functional units, that is, the components can reside on the same physical server or be spread accross my 3 servers? Would they typically be on one or more hadoop servers or the app servers 2. Would the "Cloudera Manager Agent" reside on each physical server/VM that is controlled by the "Cloudera Manager Server"?
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