NiFi Flow Files

The Flow Files page displays the charts and table metrics of flow files over a certain period of time.

Note

The default time range is Last 24 hrs. To view statistics from a custom date range, click the calendar icon and select a time frame and timezone of your choice.

Searching by Attribute

To search a flow file by an attribute value, do the following.

In the search bar located in the top of the page, type current_attribute.(attribute name):(value).
Click the search icon.

Alternatively, you can click the attribute value in the table to set the search query.

Flow Files & Avg File Process Duration

This chart displays the count of flow files and the time taken to process these files. The following metrics are displayed in the chart.

Avg Processing Time: The average time utilized to process the flow files.
File Count: The number of files in the cluster.

Filters

You can set filters to display the metrics in the table by choosing a filter from the following available categories located in the left of the page.

Clusters: Displays the name of the clusters connected.
Process Groups: Displays the name of process groups running in the cluster.

Flow Files Table

This table displays the following flow files related metrics including Attributes and Processor Details.

Metric	Description
Flow File ID	The ID of the flow file.
# of Processors	The number of processors used in the selected flow file.
Total Duration	The time taken to process the flow files.
Start Time	The time at which the processing of flow files started.
File Size	The size of the selected flow file.

Attributes

For every flow file ID, the following attributes are displayed.

Attribute	Description
absolute.path	The path from where the file is read and written to.
file.creationTime	The date and time at which the file was created.
file.group	The name of the file group the flow file belongs to.
file.lastAccessTime	The date and time at which the file was last accessed.
file.lastModifiedTime	The date and time at which the file was last modified.
file.owner	The user who created the file.
file.permissions	The access rights given to the file.
filename	The name of the file.
path	The path of the file.
UUID	The UUID of the file.

Processor Details

For every flow file ID, the following processor details metrics are displayed.

Metric	Description
event_time	The date and time at which the processing event occurred.
Lineage Start	The at which file lineage started.
parent_flowfiles_uuids	The UUID of the parent flow file.
flowfile_entry_date	The date and time at which the flow file was created in the system.
Duration	The duration of the flow file processing.
component_type	The component type of the processor, either GetFile or PutFile.
event_type	The provenance event type of the flow file.
child_flowfiles_uuids	The UUID of the child flow file.

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