Legacy ImageMagick Discussions Archive

Hi,

I am using ImageMagick in a AWS Lambda to crop png to tiles with that command:

/opt/bin/magick convert /tmp/1571383180912/1571383180912_300dpi.png -monitor -crop 512x512 -set filename:tile %[fx:page.x/512]_%[fx:page.y/512] +repage +adjoin "/tmp/1571383180912/1571383180912_300dpi/tile-300-%[filename:tile].png"

Everything is working so far, I just have issues with huge png (I have a 8mo file, 26 000*10 000 pixels)
I am getting the following error :

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convert: unable to write pixel cache '/tmp/magick-24phDuETFQt7OM': No space left on device @ error/cache.c/WritePixelCachePixels/5823.
convert: no images defined `/tmp/1571383180912/1571383180912_300dpi/tile-300-%[filename:tile].png' @ error/convert.c/ConvertImageCommand/3300.

I pretty much already know why : Lambda have only 512mb space available on /tmp file, and /tmp is the only FS we get the access to.

My question is, can I remove the disk pixel cache and only use memory cache ? (I can get up to 3gb)
Time is not really an issue, I just want it to get done.

Thank you for your help.

See https://imagemagick.org/script/architec ... tera-pixel.

Thanks for the link !
I'm trying to implement the distribute cache, but I got an error and I don't really know how to fix it :

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convert: DistributedPixelCache '52.208.221.223' @ error/distribute-cache.c/ConnectPixelCacheServer/243.
convert: cache resources exhausted `/tmp/1571390578996/1571390578996_100dpi.png' @ error/cache.c/OpenPixelCache/3850.
convert: cache resources exhausted `/tmp/1571390578996/1571390578996_100dpi/tile-100-%[filename:tile].png' @ error/cache.c/OpenPixelCache/3850.
convert: cache resources exhausted `/tmp/1571390578996/1571390578996_100dpi/tile-100-%[filename:tile].png' @ error/cache.c/OpenPixelCache/3850.
convert: cache resources exhausted `/tmp/1571390578996/1571390578996_100dpi/tile-100-%[filename:tile].png' @ error/cache.c/OpenPixelCache/3850.
convert: memory allocation failed `/tmp/1571390578996/1571390578996_100dpi/tile-100-%[filename:tile].png' @ error/png.c/WriteOnePNGImage/9345.
convert: Wrote palette index exceeding num_palette `/tmp/1571390578996/1571390578996_100dpi/tile-100-0_0.png' @ warning/png.c/MagickPNGWarningHandler/1748.

This is my command :

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/opt/bin/magick convert /tmp/1571390578996/1571390578996_100dpi.png -limit memory 2000mb -limit map 200mb -limit disk 200mb -define registry:cache:hosts=52.208.221.223:6666 -monitor -crop 1024x1024 -set filename:tile %[fx:page.x/1024]_%[fx:page.y/1024] +repage +adjoin "/tmp/1571390578996/1571390578996_100dpi/tile-100-%[filename:tile].png"

Is there any way to see in my remote host logs or anything ?

Thanks

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