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Merge branch 'sk/doc-maintenance-schedule'

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Doc update to clarify how periodical maintenance are scheduled,
spread across time to avoid thundering hurds.

* sk/doc-maintenance-schedule:
  doc: add a note about staggering of maintenance
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Junio C Hamano
2024-10-10 14:22:26 -07:00
parent 325772f0d5 3d6ab4177d
commit e29296745d
1 changed files with 3 additions and 1 deletions
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Documentation/git-maintenance.txt
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@ -220,7 +220,9 @@ on an hourly basis. Each run executes the "hourly" tasks. At midnight,
that process also executes the "daily" tasks. At midnight on the first day that process also executes the "daily" tasks. At midnight on the first day
of the week, that process also executes the "weekly" tasks. A single of the week, that process also executes the "weekly" tasks. A single
process iterates over each registered repository, performing the scheduled process iterates over each registered repository, performing the scheduled
tasks for that frequency. Depending on the number of registered tasks for that frequency. The processes are scheduled to a random minute of
the hour per client to spread out the load that multiple clients might
generate (e.g. from prefetching). Depending on the number of registered
repositories and their sizes, this process may take longer than an hour. repositories and their sizes, this process may take longer than an hour.
In this case, multiple `git maintenance run` commands may run on the same In this case, multiple `git maintenance run` commands may run on the same
repository at the same time, colliding on the object database lock. This repository at the same time, colliding on the object database lock. This