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Engines properties

The following property groups are available for engines:

Identification

The Identification property group contains the basic engine properties in the Qlik Sense system.

Property Description Default value

Node

The engine name.

Inherits the node name.

Apps

The Apps property group contains engine properties in the Qlik Sense system.

Property Description Default value

App autosave interval (seconds)

The number of seconds between autosaving of the apps. Autosave is always performed when a session ends.

30
App timeout (seconds)

The number of seconds that a Qlik Sense app is allowed to remain in memory, after the last session that used the app has ended.

28800
Working folder

A scheduled reload will search for files in this directory when relative paths are used to define file location.

%ProgramData%\Qlik\Sense\Apps
Max number of undos

The maximum number of undos when editing app content, such as sheets, objects, bookmarks, and stories: min = 0, max = 999.

100

Advanced

The Advanced property group contains the advanced engine properties in the Qlik Sense system.

Property Description Default value

Listen ports

The listen port used by Qlik Sense Engine Service (QES) for communication with the Qlik Sense web clients.

Click P to add more ports. Click E to remove a port.

4747

Allow data lineage

Save the data lineage (that is, the origin of the data) when executing a load script that loads data into Qlik Sense. Selected
Min memory usage (%) The minimum memory capacity used by Qlik Sense. 70
Max memory usage (%) The maximum memory capacity used by Qlik Sense. 90
Memory usage mode

Use the drop-down to select one of the following methods: 

  • Hard max limit: never use more memory than defined by the property above.
  • Ignore max limit: use as much memory as necessary, regardless of the Max memory usage (%) setting.
  • Soft max limit: use more memory than defined by theMax memory usage (%) setting, if necessary and available.
Hard max limit

CPU throttle (%)

The amount of CPU capacity used by Qlik Sense. Range: 0 – 100 % 0 (that is, no throttling)
Standard mode

When selected, standard mode is used. If cleared, legacy mode is used.

For security reasons, Qlik Sense in standard mode does not support absolute or relative paths in the data load script or functions and variables that expose the file system.

Warning noteDisabling standard mode can create a security risk by exposing the file system.
Selected

Logging

The Logging property group contains the engine logging and tracing properties in the Qlik Sense system.

Property Description Default value
Audit activity log level

Use the drop-down to set the verbosity of the logger:

  • Off: no entries
  • Basic: a limited set of entries
Basic
Service log level

Use the drop-down to set the verbosity of the logger:

  • Off: no entries
  • Error: only error entries
  • Warning: same as error, but also including warning entries
  • Info: same as warning, but also including information entries
Info

Tracing

Performance log interval (minutes)

The number of minutes in-between performance logging entries. 5
System log level

All the standard engine messages are saved to this logger.

Use the drop-down to set the verbosity of the logger:

  • Off: no entries
  • Fatal: only fatal entries
  • Error: same as fatal, but also including error entries
  • Warning: same as error, but also including warning entries
  • Info: same as warning, but also including information entries
  • Debug: same as info, but also including debug entries
Info
Performance log level

All the performance messages are saved to this logger ( by default updated default every five minutes). The log contains, for example, the number of active users, the number of open sessions, and the CPU load.

Use the drop-down to set the verbosity of the logger:

  • Off: no entries
  • Fatal: only fatal entries
  • Error: same as fatal, but also including error entries
  • Warning: same as error, but also including warning entries
  • Info: same as warning, but also including information entries
  • Debug: same as info, but also including debug entries
Info
QIX performance log level

All the QIX protocol performance messages are saved to this logger.

Use the drop-down to set the verbosity of the logger:

  • Off: no entries
  • Fatal: only fatal entries
  • Error: same as fatal, but also including error entries
  • Warning: same as error, but also including warning entries
  • Info: same as warning, but also including information entries
  • Debug: same as info, but also including debug entries
Off
Audit log level

More detailed, user based, messages are saved to this logger, for example, when the user makes a selection in an app.

Use the drop-down to set the verbosity of the logger:

  • Off: no entries
  • Fatal: only fatal entries
  • Error: same as fatal, but also including error entries
  • Warning: same as error, but also including warning entries
  • Info: same as warning, but also including information entries
  • Debug: same as info, but also including debug entries
Off
Session log level

All the session messages are saved to this logger when a client session is terminated, for example, user information, machine ID, IP address and port number.

Use the drop-down to set the verbosity of the logger:

  • Off: no entries
  • Fatal: only fatal entries
  • Error: same as fatal, but also including error entries
  • Warning: same as error, but also including warning entries
  • Info: same as warning, but also including information entries
  • Debug: same as info, but also including debug entries
Info
Traffic log level

All the traffic messages are saved to this logger, for example, all JSON-messages to and from the engine.

Use the drop-down to set the verbosity of the logger:

  • Off: no entries
  • Fatal: only fatal entries
  • Error: same as fatal, but also including error entries
  • Warning: same as error, but also including warning entries
  • Info: same as warning, but also including information entries
  • Debug: same as info, but also including debug entries
Off
Information noteThe default path to the Qlik Sense log folder is %ProgramData%\Qlik\Sense\Log\<Service>.

Tags

The Tags property group contains the available tags in the Qlik Sense system.

Property Description
Tags Click the text box to display the available tags. Start typing to filter the list. Connected tags are listed under the text box.

Custom properties

The Custom properties property group contains the custom properties in the Qlik Sense system. When a custom property has been activated for a resource, you can use the drop-down to select a custom property value.

Property Description
Custom properties
If no custom properties are available, this property group is not displayed at all (or displayed but empty) and you must make a custom property available for this resource type before it will be displayed here.

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