[wp-trac] [WordPress Trac] #54221: _transient_dirsize_cache is set to autoload=yes and kills db performance if it grows (20MB in our case)

[WordPress Trac]

#54221: _transient_dirsize_cache is set to autoload=yes and kills db performance if
it grows (20MB in our case)
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 Reporter:  archon810         |       Owner:  spacedmonkey
     Type:  defect (bug)      |      Status:  assigned
 Priority:  normal            |   Milestone:  6.4
Component:  Database          |     Version:  2.8
 Severity:  major             |  Resolution:
 Keywords:  has-patch commit  |     Focuses:  administration, performance
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Comment (by spacedmonkey):

 I have 30 plugins installed for testing. Only a number of which are
 active, like performance lab and query monitor.

 This many plugins is a valid use case, I have worked on sites with 30+
 plugins active, less along sites with plugin installed by not active..

 The memory improvement is a big win for sure. But unserizialing such a
 large option on every page request is also wasteful as well.

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Ticket URL: <https://core.trac.wordpress.org/ticket/54221#comment:50>
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