CPU Usage over 250%!

aell422
Hi, I've noticed incredibly high CPU usage when Zotero is opening some PDF's, particularly when I open the thumbnails. After awhile it calms down (presumably because the PDFs are now fully loaded) but when idle the CPU bounces between 3.0% and 6.0%

Here is a debug: D1913950478

https://s3.amazonaws.com/zotero.org/images/forums/u14630375/oog828kplqokzo3bi1b5.png
  • martynas_b
    1) As I understand, this doesn't happen with all PDF files. What's different about those PDF files? Are they scanned? Are they very long?
    2) How long does the CPU usage stay high?
    3) Is there any difference if you disable all third-party plugins?
  • aell422
    Hi there, thanks for responding.

    I had two pdfs open, and both are indeed scans, with colour to them. The CPU remains high for several minutes and then seems to settle once the pdfs have "loaded", so to speak.

    The only plugin I have is Better BibTex. I have disabled it now, but the CPU still shoots up to over 200%. Although I've noticed that since disabling it, the CPU when idle is sitting around 0.2% as opposed to 3.0% - 6.0%.

    I'm guessing that there isn't much I can do to resolve this, other than being careful which PDFs I open via Zotero, and only opening them one at a time.
  • dstillman
    The only plugin I have is Better BibTex. […] Although I've noticed that since disabling it, the CPU when idle is sitting around 0.2% as opposed to 3.0% - 6.0%.
    If you can reproduce that reliably, you should report it to the BBT developer on GitHub.
  • fulaoshi
    I also was having high CPU usage on my mac. I disabled a number of plugins, including BBT, and it is better now. Not 100% sure it was BBT, but seems like it might be. Worth investigating...
  • poettli
    Worth investigating...
    Again, please report to the BBT dev if you think it is due to the plugin.
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