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DonHanson

Why Cura 2.5 consuming all application memory on Mac?

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Hello,

The last two times I network printed longer, more complex objects on my Ultimaker 3, Cura 2.5 appeared to crash with OSX presenting an "No available application memory" error.

The Activity Monitor showed Cura was using 64GB memory. Cura was frozen with the camera view no longer updating. However, both prints continued to successful completion on the Ultimaker printer.

Print 1: dual PLA print, 29 hours.

Print 2: PLA/PVE print, 55 hours.

iMac has 32GB ram, latest OS.

Is this a common issue with Cura? with more complex or longer running prints? network printing?

I would prefer to avoid schlepping a USB stick between devices in order to print, if possible.

Many thanks,

Don

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You are experiencing a "memory leak". For some reason Cura keeps allocating a small amount of memory at a time and not releasing it back. It has been reported one or two times, but so far it has not been reproduced so it is hard to fix.

Note that you don't have to keep Cura open while the UM3 is printing via network printing. The full gcode has already been transferred to the printer and it is safe to close (and later reopen) Cura while the printer is running.

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