[wp-trac] [WordPress Trac] #44816: bandwidth increase usage after last update

[WordPress Trac]

#44816: bandwidth increase usage after last update
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 Reporter:  fabiomasarin  |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  4.9.8
 Severity:  major         |   Keywords:
  Focuses:                |
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 Hello,
 I am opening this ticket because I noticed that after the last automatic
 wordpress update on my website (wordpress 4.9.8) the daily used bandwidth
 increased about 3-4x times, and now I'm about to run out of my monthly
 bandwidth limit, even if the number of daily visitors to my website didn't
 change.
 I tried to figure out what is causing this bandwidth waste, (I already use
 cloudflare since some months, so contents like images or similar are
 already optimized), and after a while looking at the Awstats tool I found
 out that this waste is caused by the access made to the file admin-
 ajax.php: in the last months all the access to this file caused a download
 of about 5kb each, now since the last update each access downloads about
 32kb in size, and because of the several thousands access recorded to that
 file (this month as the previous ones), that's wasting all my bandwidth.

 Did that file increase in size in the last update?
 I know that file is also called while you're working in the admin area, so
 you may tell me "reduce the time you spend there" but in this month I
 never got in the admin area so that's not the case. There are no other
 plugins that I can disable because I have just the needed ones, the same
 of the past months when the problem didn't appear.

 Could you please have a look and let me know what I can do?

 Thank you very much for your help.

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Ticket URL: <https://core.trac.wordpress.org/ticket/44816>
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