Adding Engines

Adding FME engines add to existing machines is a very simple process.

While FME Server can host an increased number or engines, more than one FME Engine per machine CPU core may cause decreases in performance.

32- and 64-bit Engines

In some cases, you may want to install both 32- and 64-bit Engines on the same machine. For example, you may currently be running only 64-bit engines, but you want to run a workspace containing a format that is supported only on a 32-bit engine.

This configuration is permitted with FME Server and more details can be found in the FME Server Admin Documentation under Installing 32- and 64-bit Engines on the Same Machine

FME Lizard says...
We mention this capability so that you know that this configuration is possible. However, we won't duplicate that content by going into details here.

An alternative to installing a different bit engine on the same system is to have a distributed FME Server system where you install the 32-bit engines and join this to the existing core system. This requires performing a distributed installation, where the FME Engine is distributed onto a separate system. Refer to the FME Server Admin Documentation for more information on Distributed Installations. Distributed Installation

Having both 32 and 64 bit engines on the same machine removes the ability to configure FME Engines on the "Engines & Licensing" page of the web interface. Run the same bit version of FME Engines unless absolutely necessary.

Use Job Queues to configure specific jobs to run on the new engine. It is important to understand when installing different bit engines that it is necessary to direct the jobs to the correct engine. A format that requires 32-bit engine must be directed to the 32-bit engine otherwise the job will fail when attempting to run on the 64-bit engine. Making use of the Job Queue functionality will be key if you do decide to use mixed bit engines in your FME Server environment.

FME Lizard asks...

Q) Which bit combinations are possible on the same machine? Select all that apply:

32-bit engine on a 64-bit machine
64-bit engine on a 64-bit machine.
64-bit engine on a 32-bit machine.
32-bit engine on a 32-bit machine.

A) You can have almost any combination, but you can't have a 64-bit engine on a 32-bit machine because the machine doesn't have enough bits!

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