2.7. Memory Requirements

The Ambari host should have at least 1 GB RAM, with 500 MB free.

The Ambari Metrics Collector host should have the following memory and disk space available based on cluster size:

Number of hosts

Memory Available

Disk Space

1

1024

10 GB

10

1024

20 GB

50

2048

50 GB

100

4096

100 GB

300

4096

100 GB

500

8096

200 GB

1000

12288

200 GB

2000

16384

500 GB

To check available memory on any host, run

free -m

[Note]Note

The above is offered as guidelines. Be sure to test for your particular environment. Also refer to Package Size and Inode Count Requirements for more information on package size and Inode counts.


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