Low fps when publishing ros2 camera images

The render fps become very low when publishing camera images. And even after removing the publishing action graph, the render fps was still low. Only after reloading the usd project, the render fps was normal.

The timestamp shown in terminal is 8 hours earlier than my computer time. I guess maybe is due to my timestamp?

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@sparrow_seaky i am just another user, but i wonder if this coincides with reports of memory leak that comes up from time to time here. hard to say for certain, though, without knowing more: Isaac Sim versions, hardware setup, scene conplexity, etc. is it possible to elaborate more for the dev team to troubleshoot?

I recreated a scene and everythings works well. Maybe there are someting wrong with my settings.
Thanks a lot!

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