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2020-11-05 14:42:51 -0500 marked best answer Selecting log level in ROS2 launch file

Nodes defined in launch file have the INFO log level as a default value I would like to know how to change it so that it also logs DEBUG level strings or other types of logging.

launch_ros.actions.Node(package='demo_nodes_cpp', node_executable='talker', output='screen', parameters=[config_file])

Thank you

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2019-03-04 12:09:33 -0500 commented answer Are callbacks of the same Node called sequentally in MultiThreadExecutor?

Thank you. You have pointed me in the right direction. Now I am sure that I should correct some mistakes on my project.

2019-03-04 12:08:27 -0500 marked best answer Are callbacks of the same Node called sequentally in MultiThreadExecutor?

Let's suppose I have nodes A, B and C on a MultiThreadExecutor with two threads.

Then suppose that the Event Queue has the following events: Node A Callback1 | Node A Callback1 | Node B Callback 2

From what I understand:

  1. The first thread takes the Node A Callback1.
  2. Then the second thread takes the next Node A Callback1.

This will mean that callbacks on the same Node should be thread safe when using MultiThreadExecutor, is that true? Is there a way to guarantee that the callbacks of the same node are executed sequentially or that each node has its own thread?

Thank you

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2019-02-23 22:00:35 -0500 edited question Are callbacks of the same Node called sequentally in MultiThreadExecutor?

Are callbacks of the same Node called sequentally in MultiThreadExecutor? Let's suppose I have nodes A, B and C on a Mul

2019-02-23 21:56:48 -0500 edited question Are callbacks of the same Node called sequentally in MultiThreadExecutor?

Are callbacks of a Node called sequentally in MultiThreadExecutor? Let's suppose I have nodes A, B and C on a MultiThrea

2019-02-23 21:56:33 -0500 asked a question Are callbacks of the same Node called sequentally in MultiThreadExecutor?

Are callbacks of a Node called sequentally in MultiThreadExecutor? Let's suppose I have nodes A, B and C on a MultiThrea

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2019-01-02 17:58:59 -0500 commented question Ros2: Subscriber listens to messages while LifecycleNode is unconfigured or inactive.

Not really. At that time it wasn't implemented on rclcpp, I didn't ask the developers whether they planned to include th

2019-01-02 17:55:22 -0500 commented question Ros2: Subscriber listens to messages while LifecycleNode is unconfigured or inactive.

Not really. At that time it wasn't implemented on rclcpp, I didn't asked the developers whether they planned to include

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2018-12-25 14:31:44 -0500 edited question Selecting log level in ROS2 launch file

Selecting log level in ROS2 launch file Nodes defined in launch file have the INFO log level as a default value I would

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2018-12-25 14:31:25 -0500 edited question Selecting log level in ROS2 launch file

Selecting log level in ROS2 launch file Nodes defined in launch file have the INFO log level as a default value I would

2018-12-25 14:30:43 -0500 asked a question Selecting log level in ROS2 launch file

Selecting log level in ROS2 launch file Nodes defined in launch file have the INFO log level as a default value I would

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