Cloudera Manager Server

Table 1. Cloudera Manager Server Storage Requirements
Component	Storage	Notes
Partition hosting /usr	1 GB
Partition hosting /var	5 GB to 1 TB	Scales according to number of nodes managed. See table below.
Partition hosting /opt	15 GB minimum	Usage grows as the number of parcels downloaded increases.
Cloudera Manager Database Server	< 500 hosts: 5 GB + 1 GB for Reports Manager > 500 hosts: 10 GB + 1 GB for Reports Manager	Reports Manager growth depends on number of HDFS users and monitored directories. Minimum memory and processor requirements should allow support for the following number of parallel database connections: < 500 hosts: 100 database connections > 500 hosts: 250 database connections.

Table 2. Host Based Cloudera Manager Server Requirements
Number of Cluster Hosts	Database Host Configuration	Cloudera Manager Server Heap Size	Logical Processors	Cloudera Manager Server /var Directory
Very small (≤10)	Shared	4 GB	4	5 GB
Small (≤20)	Shared	6 GB	6	20 GB minimum
Medium (≤200)	Dedicated	10 GB	6	200 GB minimum
Large (≤500)	Dedicated	12 GB	8	500 GB minimum
Extra Large (>500)	Dedicated	18 GB	16	1 TB minimum