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Document Transformation Engine setup

The Document Transformation Engine consists of two software modules: the standalone Document Transformation Engine and the Alfresco Transformation client.
The Document Transformation Engine is sold as an Alfresco Content Services module that is enabled with a license key.
  • The standalone Document Transformation Engine runs on Windows and takes care of the file transformations.
  • The Alfresco Transformation client runs as part of Alfresco Content Services and communicates between Alfresco Content Services and the standalone Document Transformation Engine.

Disc I/O bandwidth

Microsoft Office transformations are I/O-heavy, and so on some solutions, I/O contention can be a performance bottleneck. When multiple Word conversions occur in parallel, performance can suffer heavily from poor random read and write speeds.

Using an Amazon EC2 instance c3.2xlarge, the I/O metrics are as follows:

  • sequential read speed: 131 MB/s
  • sequential write speed: 83 MB/s
  • random qd32 read speed: 10,4 MB/s
  • random qd32 write speed: 3,8 MB/s

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