# Is it possible to restart Unicorn without downtime?

**URL:** <https://meta.discourse.org/t/is-it-possible-to-restart-unicorn-without-downtime/65155>\
**Category:** Self-hosting\
**Created:** [6월 27, 2017, 12:37오전 UTC](https://meta.discourse.org/t/is-it-possible-to-restart-unicorn-without-downtime/65155 "2017-06-27T00:37:26Z")\
**Posts on this page:** 1\
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**Author:** ![tgxworld](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/tgxworld/32/106117_2.png) [@tgxworld](https://meta.discourse.org/u/tgxworld)\
**Post date:** [6월 27, 2017, 1:16오전 UTC](https://meta.discourse.org/t/is-it-possible-to-restart-unicorn-without-downtime/65155/4 "2017-06-27T01:16:17Z")

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> USR2 - reexecute the running binary. A separate QUIT should be sent to the original process once the child is verified to be up and running.

@sam According to the docs, don’t we need to send a `QUIT` as well?

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