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Hardware and system requirements for routing/monitoring ActiveGates on Linux

Hardware and system requirements: Routing OneAgent traffic to Dynatrace, monitoring cloud environments, or monitoring remote technologies with extensions

For hardware and system requirements for other ActiveGate purposes, see:

  • Hardware and system requirements for Synthetic-enabled ActiveGates, which support a subset of operating systems and are more demanding in terms of hardware and system requirements than ActiveGates that are used for routing and monitoring.
  • Hardware and system requirements for the zRemote module for z/OS monitoring. ActiveGates running the zRemote module are more demanding in terms of hardware and system requirements than are ActiveGates that are used for routing and monitoring purposes.
Run ActiveGate on dedicated system

For optimal performance, we strongly recommend that you install and run the ActiveGate on a dedicated system.

Hardware requirements

You need a machine dedicated to ActiveGate that has:

  • 4 GB free disk space for ActiveGate and Extensions installation, configuration, and logs for auto update purposes.
  • 4 GB for ActiveGate and OneAgent cached installers and container images—if such will need to be stored.
  • Space for dump files—if such will need to be stored. This functionality is turned off by default, but can be turned on in ActiveGate configuration. The maximum size of the storage space is configurable—100 GB by default.
  • Space for extension uploads—depending on extensions used.
  • 2 GB RAM (4 GB recommended).
  • 1 dual core processor.

For large environments, you may need to use a machine with additional CPU and memory.

Space requirements per directory

Space allocation per directory, for installation purposes:
(for more detailed allocation, refer to ActiveGate directories)

Top-level directoryDisk space requirements

ActiveGate and autoupdater executable files, libraries, and related files
default: /opt/dynatrace
relative to installation parameter: <INSTALL>

300 MB

ActiveGate configuration and related directories
For Environment ActiveGate, it also contains Extensions 1.0 and Extensions 2.0 configuration
default: /var/lib/dynatrace
relative to installation parameter: <CONFIG>

2 MB

For Environment ActiveGate only: Extensions 1.0 and Extensions 2.0 executable files, libraries, and related files default: /opt/dynatrace/remotepluginmodule
relative to installation parameter: <INSTALL>/remotepluginmodule

850 MB

Space allocation per directory, for ActiveGate operation:
(for more detailed allocation, refer to ActiveGate directories)

Top-level directoryDisk space requirements

ActiveGate and autoupdater logs
default: /var/log/dynatrace
installation parameter: <LOG>

700 MB

ActiveGate packages directory for auto-update installer downloads
default: /var/lib/dynatrace/packages
installation parameter: <PACKAGES_DIR>

500 MB

ActiveGate temporary files
default: /var/tmp/dynatrace/gateway
path relative to installation parameter TEMP: <TEMP>/gateway

4 GB (including 3 GB for cached OneAgent installers and container images)

Dump files uploaded to ActiveGate by OneAgent
/var/lib/dynatrace/gateway/dump

Functionality off by default, not configurable at installation time.
When activated, can take configurable maximum size: default 100 GB.

For Environment ActiveGate only: ActiveGate Extensions 1.0 and Extensions 2.0 logs, cache, run-time work area
default: /var/lib/dynatrace/remotepluginmodule
path relative to installation parameter CONFIG: <CONFIG>/remotepluginmodule

2 GB

For Environment ActiveGate only: ActiveGate extensions upload directory
default: /opt/dynatrace/remotepluginmodule/plugin_deployment
path relative to installation parameter INSTALL: <INSTALL>/remotepluginmodule/plugin_deployment

Depending on uploaded extensions

Supported operating systems

Linux distributionVersionsCPU architectures
Amazon Linux 2All versions supportedx86-64
Amazon Linux AMI2018.3x86-64
CentOS7.9x86-64
Oracle Linux7.9, 8.4x86-64
Red Hat Enterprise Linux7.9, 8.4, 8.6, 9.0s390, x86-64
SUSE Enterprise Linux15.1, 15.2, 15.3x86-64
15.3s390
Ubuntu16.04, 18.04, 20.04, 22.04x86-64
20.04s390

Note: ActiveGate installed on the s390 architecture supports OneAgent routing and monitoring, and mainframe monitoring. Extensions and private Synthetic locations are not supported. For details, see ActiveGate purposes and functionality.

System requirements

  • Ensure that you have proper network port configuration.

  • Your operating system must handle at least 500,000 open files for the dtuserag user.
    To view the system limit, execute the following command:

    shell
    [user@host]# cat /proc/sys/fs/file-max

    Also, it may be that you've checked out too many open files in Linux.

  • Your operating system must have at least 20,000 processes available to the dtuserag user.
    To view the system limit, execute the following command:

    shell
    [user@host]# cat /proc/sys/kernel/pid_max
  • The ActiveGate Linux installer doesn't support ACL (Access Control List). ACL rules may prohibit access to installer-created directories and files, making the ActiveGate fail to start. If you use the ACL, rules related to the installation directories defined in the following parameters should be disabled:

    plaintext
    INSTALL= CONFIG= LOG= TEMP= PACKAGES_DIR=

Sizing guide

The following table represents the machine instance size requirement based on number of OneAgents communicating with the ActiveGate. On each host, OneAgent is performing seven monitoring tasks:

  • Infrastructure monitoring
  • Log monitoring
  • Full-stack monitoring of 3 Apache Tomcat instances
  • Full-stack monitoring of 2 Apache HTTP Server instances

x86-64 architecture

The C4 machine instances and the estimates:

InstancevCPUMem (GiB)StorageDedicated EBS bandwidth (Mbps)Network performanceEstimated number of hosts

c4.large

2

3.75

EBS-Only

500

Moderate

450

c4.xlarge

4

7.5

EBS-Only

750

High

900

c4.2xlarge

8

15

EBS-Only

1,000

High

1200

s390 architecture

Machine sizes and estimates:

Machine sizeCPUMem (GiB)Estimated number of hosts

S

2

4

800

M

4

8

1500