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Author Topic: AH00493: SIGUSR1 received. Doing graceful restart  (Read 14085 times)

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Namaste
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AH00493: SIGUSR1 received. Doing graceful restart
« on: January 29, 2021, 04:16:36 PM »
Everyday at the same time, I get the above error in error logs.   Anyone know why?
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evansa
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Re: AH00493: SIGUSR1 received. Doing graceful restart
« Reply #1 on: January 29, 2021, 09:08:27 PM »
which of the logs?
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Namaste
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Re: AH00493: SIGUSR1 received. Doing graceful restart
« Reply #2 on: January 30, 2021, 12:13:02 AM »
usr/local/apache/logs/error_log
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evansa
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Re: AH00493: SIGUSR1 received. Doing graceful restart
« Reply #3 on: January 30, 2021, 09:06:14 AM »
we need more information on this.
Kindly contact support to check this
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Namaste
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Re: AH00493: SIGUSR1 received. Doing graceful restart
« Reply #4 on: January 30, 2021, 01:11:41 PM »
[Fri Jan 29 03:47:32.439506 2021] [core:notice] [pid 13680:tid 139973724751744] AH00094: Command line: '/usr/local/apache/bin/httpd'
[Fri Jan 29 03:47:33.328297 2021] [mpm_event:notice] [pid 13680:tid 139973724751744] AH00493: SIGUSR1 received.  Doing graceful restart

This happens on all of my servers (C7 and C8) at the same time everyday.  BUT the time is different everyday.
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cinique
Re: AH00493: SIGUSR1 received. Doing graceful restart
« Reply #5 on: January 30, 2021, 01:54:10 PM »
I suspect it may be deliberate and part of nightly auto-SSL renewals.
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Namaste
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Re: AH00493: SIGUSR1 received. Doing graceful restart
« Reply #6 on: January 30, 2021, 02:49:27 PM »
Well yeah.....that's is kinda obvious even to the blind.

But, it's the only process that is restarting apache at least once a day, everyday.
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cinique
Re: AH00493: SIGUSR1 received. Doing graceful restart
« Reply #7 on: January 30, 2021, 03:00:55 PM »
Quote from: Namaste on January 30, 2021, 02:49:27 PM
Well yeah.....that's is kinda obvious even to the blind.
Strange that YOU didn't mention it!  >:(  ::)
In an Apache only installation, then a reload would be sufficient but I suspect that a restart is used, to cater for all (nginx included) installations.
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narin
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Re: AH00493: SIGUSR1 received. Doing graceful restart
« Reply #8 on: October 22, 2022, 11:57:52 PM »
after all sl operations apache restarts itself and sells:

   [mpm_event:notice] [pid 3838130:tid 139681793718144] AH00493: SIGUSR1 received. Do a graceful reboot

Is this solution a solution?
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