Qgis Unable to export A0 300 dpi image - memory overflow notification

[qgib]

Author Name: baditaflorin - (baditaflorin -)
Original Redmine Issue: 13186
Affected QGIS version: master
Redmine category:map_composer/printing

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When i do :
"To create image 28086x19866 requires about 1673 MB of memory. Proceed?"

I get :
"Trying to create image #1( 28086x19866 @ 300dpi ) may result in a memory overflow.
Please try a lower resolution or a smaller papersize"

At 250 dpi it`s working

To create image 23405x16555 requires about 1162 MB of memory. Proceed?

I need to print/export bigger sizes

[qgib]

Author Name: Jürgen Fischer (@jef-n)

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Are you using a 64bit build?

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• status_id was changed from Open to In Progress

[qgib]

Author Name: Giovanni Manghi (@gioman)

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• category_id was configured as Map Composer/Printing
• status_id was changed from In Progress to Feedback

[qgib]

Author Name: baditaflorin - (baditaflorin -)

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Jürgen Fischer wrote:

Are you using a 64bit build?

yes, is a limit in QGIS 64 build

[qgib]

Author Name: Giovanni Manghi (@gioman)

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• status_id was changed from Feedback to Open
• version was changed from 2.8.2 to master
• subject was changed from Qgis Unable to export 4A0 300 dpi image - memory overflow notification to Qgis Unable to export A0 300 dpi image - memory overflow notification

[qgib]

Author Name: Giovanni Manghi (@gioman)

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• regression was configured as 0
• easy_fix was configured as 0

[qgib]

Author Name: Giovanni Manghi (@gioman)

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End of life notice: QGIS 2.18 LTR

Source:
http://blog.qgis.org/2019/03/09/end-of-life-notice-qgis-2-18-ltr/

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• resolution was changed from to end of life
• status_id was changed from Open to Closed