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I/O Scheduler

  • June 21, 2017
  • 1 reply
  • 7 views
Ervin

Hi,

I just want to ask if I can change the I/O Scheduler from nood to deadline while the Database is running?

Thanks,

    1 reply

    Jim_Knicely
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    • Jim_Knicely
    • Participating Frequently
    • June 21, 2017

    From the docs:

    Note: While tests show that changing the scheduler settings while Vertica is running does not cause problems, Vertica recommends shutting down. Before changing the I/O schedule, or making any other changes to the system configuration, consider shutting down any running database.

    See:
    https://my.vertica.com/docs/8.1.x/HTML/index.htm#Authoring/InstallationGuide/BeforeYouInstall/IOScheduling.htm

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