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Understanding master.log

asked 2015-10-22 13:32:13 -0500

pwong gravatar image

I'm running ros indigo on ubuntu 14.04. I'm having some stability issues regarding nodes being able to subscribe to each other over time. Just trying to do some investigating, I've noticed that some nodes constantly looks for new params and the master log keeps publishing this. Is this normal?

[rosmaster.master][INFO] 2015-10-22 11:04:34,134: +PARAM [/amcl/initial_pose_y] by /amcl
[rosmaster.master][INFO] 2015-10-22 11:04:34,135: +PARAM [/amcl/initial_pose_a] by /amcl
[rosmaster.master][INFO] 2015-10-22 11:04:34,135: +PARAM [/amcl/initial_cov_xx] by /amcl
[rosmaster.master][INFO] 2015-10-22 11:04:34,136: +PARAM [/amcl/initial_cov_yy] by /amcl
[rosmaster.master][INFO] 2015-10-22 11:04:34,137: +PARAM [/amcl/initial_cov_aa] by /amcl

I'm also looking for documents or anything would would show me how to understand the master.log, so I know if something is behaving properly or not.

Thank you!

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answered 2015-10-27 17:11:26 -0500

tfoote gravatar image

Yes that's normal. amcl is pushing the parameter to the parameter server to be able to reload on boot in case it crashes.

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Asked: 2015-10-22 13:32:13 -0500

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Last updated: Oct 27 '15