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... MoSKito producers: their definition and working principle, the way they are displayed in WebUI and their configurations.

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Contents

What is producer?

Producer is a piece of code that gets connected to a source of statistics (this may be a class, method, service, servlet or anything that generates statistic data) and makes a count every time the source gets active.

To learn more, read MoSKito-Essential Overview and How to Use MoSKito Producers sections.

Viewing producers

All available MoSKito producers are gathered within the Producers tab. To see them, click the tab.

For settings and filtering, use the toolbar (located just beneath the tabs).

Intervals

MoSKito is interval-based, it captures performance data by the end of predefined monitoring intervals.

This means you may display producers' data for any of these intervals, and thus know performance for the last:

  • 1m, 
  • 5m, 
  • 15m, 
  • 1h, 
  • 12h, 
  • 1d (24h). 

Also, you have 2 other intervals: 

  • Default: Records performance cumulatively, from the last monitored application's start. 
  • Snapshot:Captures performance within a custom, user-defined intervalRead Snapshot Interval for more info.
Switch between monitoring intervals:

Make a selection in Interval menu on the toolbar.

This will show data, taken at the end of the this last interval, like: 5m = data for the last recorded 5min interval.

Time units

We may display producers' data in:

  • seconds,
  • milliseconds,
  • microseconds,
  • nanoseconds.
Switch between time units for display:

Make a selection in Unit menu on the toolbar. 

Filtering

We may have tons of producers. To narrow search, use filtering by category/subsystem or apply custom filtering.

Categories and subsystems

Categories use the horizontal division, uniting producers of the same essence (like the ones related to webmemoryruntime).
Subsystems use the vertical division within a functionality, uniting producers that perform a similar task type (like messagingpayment).

Producers are assigned to Categories and Subsystems when they are being created, that is in the process of MoSKito integration.

Filter producers by category/subsystem:

Make a selection in Category or Subsystem menu on the toolbar.


Built-in producers

It is always you to create producers in MoSKito. To learn more about adding producers, read MoSKito-Essential Integration Guide.

Still, there are built-in producers that come bundled. They monitor essential system indicators (like memory, threads, http sessions, etc.) and don't require any configuration during integration. To know more, read How to Use MoSKito Producers and Stats and Their Classes sections.

View all built-in producers:

select builtin in Subsystem menu on the toolbar.


Custom filtering

This filter type is useful when you know the name of the producer you're looking for, or at least a part of that name.

Set custom filtering:

Type producer's name (or part of it) in the Filter field on the toolbar and click Filter.

This will display the producers that contain the query in the beginning of their names.

For example:
The valid search queries for DomainFilter producer would be: d, do, dom ... domain.

Remove previous filters!


Before applying new filters, make sure to remove all previous ones!
Remove filtering:
  • refresh the Producers tab by simply clicking its header, or
  • refresh the entire MoSKito-WebUI page.

Decorators

Decorators are producers' graphical 'wrappers', they present data in a structured way.  

Decorators usually unite producers that collect related statistics (like threads, memory, etc.).

Expand/collapse decorators:

click the plus/minus icon in the upper-left corner of a decorator.

Sort columns within a decorator:

Click a column header (a small grey triangle will appear, showing ascending/descending sorting).

View decorator's help:

Click the Help link in the upper-right corner of a decorator.

View producer data in charts

The data, collected by producers within a decorator, may be displayed in a chart.

Charts for multiple producers in a decorator

When a decorator unites multiple producers, we may display them as charts.

Display producer data as chart:

Move cursor over the StatValue and click the appearing  icon.


By default, a pie chart will appear. 

Switch between pie chart and bar chart:

Click  or  in the upper-right corner of Chart screen. 

Show detailed info on chart:

Click a chart's section.

Close the Chart screen

Click  in the upper-left corner.


Producer page

A producer page is a private producer's space.

The Producers tab lists all producers and main data, a producer page shows all available info for this producer:

  • Category,
  • Subsystem,
  • Producer's class,
  • Stats,
  • StatValues,
  • Values,
  • Timestamp (when the data was captured).

For example:
The ThreadStates producer has multiple stats, the Producers tab only screens its cumulated stat. The producer page lists all existing stats (blocked, new, runnable, terminated, waiting) and all their values.


Open producer page:

Click the producer's Id.

Switch producer's monitoring interval and time units

Make a selection in Interval and Unit menus on the small toolbar.

Also, producer page is where you add accumulators and thresholds for this producer (click the Add buttons).

Inspect

For producers that monitor services, you may use the Inspect functionality. 

It shows the place in the application code, where the producer has been added (stack trace). This gives you the precise info about the area, monitored by the producer.

Use Inspect functionality:

Click Inspect button (upper-right corner).

 


 

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