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Welcome to the Red Book for HPCC Systems® 6.0.0. There are several sections in this Red Book as follows:

  • General HPCC Systems Core Platform
  • Significant New Features Core Platform
  • MySQL

This is a minor release including some new features and performance enhancements.

Users upgrading from releases prior to HPCC Systems 6.x.x may benefit from glancing at the Red Book entries from previous releases.

Here's how to contact us if you find an issue or want to add something to the Red Book:

  • To raise an issue, use our Community Issue Tracker. Please create yourself an account if you don't already have one, to get automatic updates as your issue progresses through the workflow.
  • To ask a developer a technical question about something you are doing or have encountered, post in the Developer Forum.
  • To add a note into the RedBook, please contact Lorraine Chapman with full details.

General HPCC Systems Core Platform

NEW - Using a single colon in logical files names generates incorrect filenames which can't be renamed in ECL Watch/ECLIDE

The recommended way to reference the path of a logical file is to use a double colon following example:


A case was reported to us recently where a user (either by design or by accident) had included a single colon in the path as shown in this example:


On writing to the file system, this was interpreted as:


Once this has happened, it is not possible to rename the file correctly using ECL Watch or ECL IDE. Users who find themselves in this situation may use the following workaround to manually rename the file(s) on the file system to %3A using this bash command:

for BADNAME in /var/lib/HPCCSystems/thor/thor_cluster/parent_folder/child_folder%3Alogical_filename* ; do mv $BADNAME ${BADNAME/\%3A/\%3a}; done

This makes it possible to rename the file(s) in ECL Watch or ECL IDE in the usual way.

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