[wp-trac] [WordPress Trac] #33463: Flooded 'wp_batch_split_terms' in cron

WordPress Trac noreply at wordpress.org
Mon Aug 31 18:45:13 UTC 2015

#33463: Flooded 'wp_batch_split_terms' in cron
 Reporter:  array064      |       Owner:
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:
Component:  General       |     Version:  4.3
 Severity:  normal        |  Resolution:  duplicate
 Keywords:                |     Focuses:

Comment (by charlestonsw):

 FWIW - the impact may be bigger than anticipated.  This bug effectively
 disabled my site when the wp_option entry grew to over 16MiB.

 MySQL disallows packets over that size by default which triggers all kinds
 of side effects; from 1MB log entries written to diskm to significant
 memory load on the web server, to DB connectivity issues.

 Manually applied the patch and the @leedo manual update for the cron
 option.  My site is no longer randomly dropping connections and average
 page load times for successful connections is back down to < 5s from what
 was > 25s prior to the patch.

 May be prudent to escalate the 4.3.01 release?   Not quite a security-
 level patch, but close IMO.

Ticket URL: <https://core.trac.wordpress.org/ticket/33463#comment:8>
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