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Run nightly tasks on a random minute after 03:00 to avoid overload (#1754)

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- The MIAB version check regularly fails at 03:00, presumably because a
  large portion of installations is checking mailinabox.email at the same
  time.
- At installation time, the time of the nightly clock is configured to
  run at a random minute after 03:00, but before 04:00.
- Users might expect the nightly tasks to be over at a certain time and
  run their own custom tasks afterwards. This could thus interfere with
  custom backup routines.
- This breaks reproducibility of the installation process.
- Users might also be surprised by the nightly task time changing after
  updating MIAB.
This commit is contained in:
clonejo
2020-05-03 16:34:42 +02:00
committed by Joshua Tauberer
parent c202a5cbc6
commit 8fe33da85d
2 changed files with 3 additions and 1 deletions
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CHANGELOG.md
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@@ -12,6 +12,7 @@ Software updates:
System:
* Nightly backups now occur on a random minute in the 3am hour (in the system time zone). The minute is chosen during Mail-in-a-Box installation/upgrade and remains the same until the next upgrade.
* Fix for mail log statistics report on leap days.
* Fix Mozilla autoconfig useGlobalPreferredServer setting.