Engines

The Qlik Sense Engine Service (QES) is the application service that handles all application calculations and logic.

The Engines overview lists all the available engines. The following table presents the available fields and buttons. By default, only some of the fields are displayed. You can use the column selector (') to add fields.

You can adjust the column width by dragging the header border.

Node	The name of the engine node.
Status	One of the following statuses is displayed: Running The service is running as per normal. Stopped The service has stopped. Disabled The service has been disabled. Tip noteClick ] in the Status column for more detailed information on the status. See: Checking the status of Qlik Sense services.
Tags	The QMC tags that are connected to the engine.
App autosave interval (seconds)	The number of seconds between autosaving of the apps. Autosave is always performed when a session ends.
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.
Working folder	A scheduled reload will search for files in this directory when relative paths are used to define file location.
Max number of undos	The maximum number of undos when editing app content, such as sheets, objects, bookmarks, and stories: min = 0, max = 999.
Performance log interval (minutes)	The number of minutes in-between performance logging entries.
Audit activity log level	Levels: Off or Basic (a limited set of entries)
Service log level	Each level from Error to Info includes more information than the previous level.
System log level	All the standard engine messages are saved to this logger. Each level from Fatal to Debug includes more information than the previous level.
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.Each level from Fatal to Debug includes more information than the previous level.
QIX performance log level	All the QIX protocol performance messages are saved to this logger. Each level from Fatal to Debug includes more information than the previous level.
Audit log level	More detailed, user-based messages are saved to this logger, for example, when the user makes a selection in an app. Each level from Fatal to Debug includes more information than the previous level.
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.Each level from Fatal to Debug includes more information than the previous level.
Traffic log level	All the traffic messages are saved to this logger, for example, all JSON-messages to and from the engine.Each level from Fatal to Debug includes more information than the previous level.
Allow data lineage	Status values: Yes or No. The data lineage is the origin of the data that is loaded into Qlik Sense).
Min memory usage (%)	The minimum memory capacity used by Qlik Sense.
Max memory usage (%)	The maximum memory capacity used by Qlik Sense.
CPU throttle (%)	The amount of CPU capacity used by Qlik Sense. Range: 0 - 100%
Standard mode	Status values: Yes: standard mode. No: legacy mode. 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.
ID	The ID of the engine.
Created	The date and time when the engine was created.
Last modified	The date and time when the engine was last modified.
Modified by	By whom the engine was modified.
<Custom properties>	Custom properties, if any, are listed here.
SR	Sort the list ascending or descending. Some columns do not support sorting.
.	Type a string to filter on, or, when available, select a predefined value. All rows that match your filter criteria are displayed. You can filter on multiple columns simultaneously to narrow your search. If a filter is applied to a column, . is displayed. To remove your criteria, click Actions in the table header bar and select Clear filters and search. You can combine filtering with searching. See: Searching and filtering in the QMC
Actions	Options for clearing filter and search, and selecting or deselecting all rows. Information noteThe option Select all rows is applied to the rows that are currently displayed. Any rows that have been filtered out before selecting all rows are disregarded, even if they were selected. The option Deselect all rows is applied to all rows, including those that were filtered out.
'	Column selector: Select which columns to display in the overview. Click B to reset to the default columns.
F	Search – both basic and more advanced searches. See: Searching and filtering in the QMC
ô	Refresh the page.
Edit	Edit the selected engines.
Show more items	The overview shows a set number of items, by default. To show more items, scroll to the end of the list and click Show more items. Searching, sorting, and filtering of items is always done on the full database list of items, not only the items that are displayed.

Double-click an item in the overview to open the resource's edit page. For multiple selections, hold down Ctrl while clicking the items, or drag over the items.

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Engines properties

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