2020.2

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Connect Designer (uses less memory):Select to have a single Connect Designer
handle processing.
Note
This option should only really ever be used for low memory, non-production
(testing) environments.
Number of engines
This group is only available if Engines were selected as the processing architecture .
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Merge Engines selection: Select the desired amount of Merge Engines.
A Merge engine merges the template and the data to create Email output, or to create an
intermediary file for Printed output. The intermediary file is in turn used by a Weaver
engine to prepare the Print output.
Generally, launching a relatively high number of Merge engines results in better
performance, as Merge engines are involved in the creation of output of all kinds (Print,
Email and Web) and because content creation is relatively time-consuming.
Note
The Connect installer automatically sets the number of Merge Engines based upon
the machine CPUs/Processors (the number of cores) and available Memory (RAM).
The default setting will likely be enough for most users.
However, virtual machines can provide an exception to this. In some virtual
environments the Connect installer cannot accurately determine the number of
logical cores actually available to the virtual machine, and will thus use a lesser
number than that which could actually be supported.
You can confirm how many Merge engines are running on your machine by running Task
Manager and locating the mergeengine.exe entries in your process list.
Note that there will be an extra Merge and Weaver engine in your task manager if you are
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