Cloudera Docs

Cloudera Manager Server

Table 1. Cloudera Manager Server Storage Requirements
Component Storage Notes
Partition hosting /usr 1 GB
Partition hosting /var 100 GB to 5 TB Scales according to number of nodes managed. See table below.
Partition hosting /opt 128 GB minimum Usage grows as the number of parcels downloaded increases. Budget 16 GB for each additional CDH parcel, and 1 GB for each additional non-CDH parcel.
Cloudera Manager Database Server
  • < 500 hosts: 10 GB
  • > 500 hosts: 20 GB
 Minimum memory and processor requirements should allow support for the following number of parallel database connections:
  • < 500 hosts: 250 database connections
  • > 500 hosts: 500 database connections
Reports Manager Database Server Minimum 1 GB Reports Manager growth depends on number of HDFS users and monitored directories.
Table 2. Host Based Cloudera Manager Server Requirements
Number of Cluster Hosts Database Host Configuration and HMON+SMON host sharing Cloudera Manager Server Heap Size Logical Processors Cloudera Manager Server /var Directory SMON and HMON /var Directory
Very small (≤10) Shared 8 GB 4 50 GB 50 GB
Small (≤20) Shared 10 GB 6 100 GB 100 GB
Medium (≤200) Dedicated 16 GB 8 1 TB 1 TB
Large (≤500) Dedicated 32 GB 12 2.5 TB 2.5 TB
Extra Large (>500) Dedicated 48 GB 16 > 2.5 TB > 2.5 TB