I am having an issue with this plugin and so I had to disable it in order to keep my server running (which runs WP 3.5.1 on nginx and php-fpm on debian squeeze)…
Several of my users reported that they couldn’t upload a pdf after I installed the plugin. I tested on my end (using Chromium) and it worked fine.
I then tested on their end using Firefox 10 ESR and it would get 20% and then hang during the upload and would never finish.
Then I tried upgrading Firefox to 17 ESR and I upgraded adobe flash player to 11.6 as well which did not fix the problem. Then I downloaded Google Chrome and the pdf upload finished successfully (so it appears to be working in chrome and chromium)…
Then all of the sudden my server went down because it ran out of memory which has literally never happened before. I rebooted the server and thought I would try to upload the pdf using firefox and then watch the memory usage. After clicking upload in firefox as I watched it sit at %20 I also watched as my memory usage counted up from 500 to 700 mb in a matter of seconds… Then I restarted the php-fpm service and memory usage returned to normal.
Once I saw that I decided I would disable the ‘Resize images before upload’ plugin and now pdf uploads work on firefox as well and no more memory leaks.
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