[wp-trac] [WordPress Trac] #21295: Retrospectively generate new images sizes if requested

[WordPress Trac]

#21295: Retrospectively generate new images sizes if requested
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 Reporter:  TwoThirdsWater       |       Owner:
     Type:  feature request      |      Status:  reopened
 Priority:  low                  |   Milestone:  4.2
Component:  Media                |     Version:
 Severity:  normal               |  Resolution:
 Keywords:  has-patch 4.2-early  |     Focuses:
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Comment (by wonderboymusic):

 I am not super into this, since it would cause database writes on the
 front end, which is problematic if you have a read-only cluster and/or
 datacenter. There is also no locking mechanism, so this is susceptible to
 stampedes.

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Ticket URL: <https://core.trac.wordpress.org/ticket/21295#comment:15>
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