Discrepancy on the hardware requirements for Foglight Management Server

Maybe I'm missing something, but I'm trying to calculate our hardware requirements for the FMS.

I've got to think the second example in the walk-through may not be for the Foglight Management Server alone.

From https://support.quest.com/technical-documents/foglight-for-sql-server-cartridge-/5.9.3.20/deployment-guide#TOPIC-1089189:

Number of Agents	<5	<50	<100	<200	<400	<600	<800
CPUs (2.4GHz)*	2 cores	4 cores	4 cores	4 cores	4 cores	6 cores	8 cores
RAM*	6GB	8GB	8GB	10GB	12GB	16GB	18GB
JVM Settings**	4096MB	4096MB	4096MB	6144MB	8192MB	10240MB	14336MB
Hard Drive Space	10GB	100GB	200GB	400GB	800GB	1200GB	1600GB

Table 1. Foglight Management Server with SQL PI configured

CPUs (2.4GHz)* — for a virtual machine the CPU allocation must be reserved. The reservation is expressed in MHz

RAM*- for a virtual machine the memory allocation must be reserved.

From https://www.quest.com/community/quest/performance-monitoring/b/performance-monitoring-blog/posts/foglight-for-databases-installation-requirements-and-walk-through:

Have a physical or virtual machine to host Foglight, meeting the follow hardware requirements based on the total number of SQL Server + Windows connections you’d like to monitor:

Monitored Connections <5 <50 <100 <200

CPU cores (2.4GHz) 4 12 16 18

RAM 12 GB 26 GB 34 GB 46 GB

Drive Space 22 GB 205 GB 410 GB 820 GB

0 John.Sakalauskas over 6 years ago

Hi Jason,

That blog post uses a chart that totals the CPUs, memory, and space requirements for the three charts (FMS, FglAM, and SQL PI repository) in the deployment guide under the "SQL PI configured" section. It seems to be intended for an "All in one" installation on one server that are usually installed with a "Foglight for Databases" installer which includes a FMS, FglAM, and DB cartridges together in one package.

These "All in One" systems are only supported up to 20 database agents on a single server. Recent deployment guides specify that architectures monitoring more than 20 database agents should have the FMS, Agent Manager (FglAM), and SQL PI repository installed on separate servers.

John