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subscriber queue length

asked 2012-02-25 06:28:40 -0500

cassander gravatar image

I understand that ROS queues all incoming messages until nodes are able to service those callbacks and that this queue length is specified in the constructor of a subscriber.

But what I would like to know is, what happens if the subscriber specifies a queue length that is bigger than what ROS can support? Does the limit depend on some setting in ROS or does it merely depend on the amount of RAM available on the system?

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answered 2012-03-09 19:42:27 -0500

tfoote gravatar image

There's no limit built into ROS. It will continue to work until you run out of RAM.

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Asked: 2012-02-25 06:28:40 -0500

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Last updated: Mar 09 '12