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I am a web developer, and sometimes I encounter software bugs that has runaway threads or used up available memory in a browser process. Terminating the offending Chrome process will free up the memory usage, but kernel_task still use up a huge chunk of memory

kernel_task memory usage

Running sudo /usr/sbin/purge does not make any impact on the used memory.

How can I get kernel_task to free those unneeded memory?

  • Please edit your question to indicate the version of macOS you are running, and on which particular flavor of Macintosh. – IconDaemon Apr 5 '18 at 13:55
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    If you change your view to All Processes, Hierarchally, you should be able to see more information. Please post a screenshot. It looks like you have several Firefox Nightly Web Content that could be contributing. – Unassuming Guy Apr 5 '18 at 17:29
  • Also check out this question apple.stackexchange.com/questions/178281/… and see if the answer can help you investigate the source. – Unassuming Guy Apr 5 '18 at 17:31
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try: sync && sudo purge

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