Some initial investigation led to finding this image being served over p-uswd00.kxcdn.com (107.182.231.101) as opposed to some other (working) CDN nodes for others.
I'm reporting this several hours after hearing about the issue, but even if the CDN's cache has been resolved in the interim, it would be good to know if we can avoid CDN cache misses like this if possible. /cc @skearns
This is due to a bug we introduced sometime ago, the value of the upload path was stored incorrectly in the database which led to the image being destroyed by our clean up orphan uploads job. I've fixed the URLs on elastic search so the category logos will stop disappearing mysteriously.
Thanks for your quick reply. I'm afraid it is now worse - now, instead of a 404 for the missing images, the whole image placeholder has been removed from a number of the category headers.
I'm concerned that this is so problematic for such a visible feature. Should we be concerned that other images within our discuss forum are disappearing without notice as well?
There were a couple of regressions with how we stored category logos and background images in the last couple of months. As a result, some category logos were incorrectly cleaned up by the clean up orphan uploads job. As we have a backup of all uploads, I've restored the images on to elastic.
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