ruby on rails 3 - Cannot allocate memory error while uploading large video on AWS instance -


i working on ror website , upload media files (like mp3,pdf,images , video) on website. website hosted on aws , using s3 bucket upload media files.

when upload video firstly save video in public folder of project on aws instance website hosted , create thumbnail of video using ffmpeg , duration using ffmpeg-streamio , remove video after creating thumbnail. it's working fine until uploading large video when try upload large video through error i. e.

errno::enomem (cannot allocate memory - /usr/local/bin/ffmpeg -i /var/www/html/proj/public/13/nvc_trim.mov):

path = "public/" + @admin.id.to_s + "/" + params[:video].original_filename       dirpath = "public/" + @admin.id.to_s       fileutils.mkdir_p dirpath       afile = file.new(path, "w")       afile.write(open(params[:video]).read)       afile.close       system"/usr/local/bin/ffmpeg -itsoffset -4  -i /var/www/html/proj/#{path} -vcodec mjpeg -vframes 1 -an -f rawvideo /var/www/html/proj/#{dirpath}/thumb.png"          #calculate video duration        ffmpeg.ffmpeg_binary = '/usr/local/bin/ffmpeg'        movie = ffmpeg::movie.new("/var/www/html/proj/#{path}")

am missing in code? idea or in highly appreciated.

thanks in advance :)


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