PHP imagick not working for a certain photo

There is a large .jpeg photo that one of 开发者_StackOverflowthe users on my site is unable to upload.

I tried to share the photo here, but it took 5+ minutes to get uploaded and still didn't upload so I had to cancel the upload.

Here is a link to the photo online

http://www.comehike.com/img/member_photo/30/DSCN0175.JPG

But when imagick tried to process it, the page was just hanging and eventually reached the end of max request time and just became a white page. I even increased the request time to 500 seconds, and it still didn't work.

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Your image is just too big. You can limit the max size of the upload by getting the size with $_FILES['field_name']['size']and reject the upload.

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I think PHP's upload_max_filesize default is just 2M. Try to increase upload_max_filesize in php.ini. It's probably also necessary to increase post_max_size to the same or larger value accordingly.