[wp-trac] [WordPress Trac] #41641: Unit testing reaching the memory limit

[WordPress Trac]

#41641: Unit testing reaching the memory limit
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 Reporter:  Hristo Sg         |       Owner:
     Type:  enhancement       |      Status:  new
 Priority:  normal            |   Milestone:  Awaiting Review
Component:  Build/Test Tools  |     Version:
 Severity:  normal            |  Resolution:
 Keywords:                    |     Focuses:
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Comment (by coderkevin):

 I observed some massive memory usage when running PHPUnit tests for the
 REST API. I dug into this about halfway during the WCUS contributor day,
 but ran out of time. Here's what I observed so far as I can recall:

 - A lot of memory churn occurs from bringing up basically all of WordPress
 with each test and shutting it down again.
 - The tests I observed didn't seem to get cleared from memory, the memory
 consumption increased linearly with each test run.

 At the time, I ran this on vvv using the wordpress-develop server. I also
 ran out of memory when I tried to run all of the REST API tests.

 I will take a look at profiling this again and see what I can come up with
 and report back here. If anyone else has done some profiling or wants to,
 I'm happy to collaborate.

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Ticket URL: <https://core.trac.wordpress.org/ticket/41641#comment:6>
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