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Code Issues Projects Releases Wiki Activity

Randomize sidekiq-scheduler cron schedule (#4980)

Browse source 
SubscriptionsScheduler in particular causes high load across the
entire fediverse at 5 AM UTC every day. Randomizing cron schedules
and/or adding a random delay is considered best practice to avoid
this issue.
This commit is contained in:
Patrick Figel 2017-09-17 11:58:20 +02:00 committed by Eugen Rochko
parent 1eab53ee10
commit 8811778b55
1 changed files with 7 additions and 7 deletions
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14
config/sidekiq.yml
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@ -7,23 +7,23 @@
- mailers
:schedule:
subscriptions_scheduler:
cron: '0 5 * * *'
cron: '<%= Random.rand(0..59) %> <%= Random.rand(4..6) %> * * *'
class: Scheduler::SubscriptionsScheduler
media_cleanup_scheduler:
cron: '5 4 * * *'
cron: '<%= Random.rand(0..59) %> <%= Random.rand(3..5) %> * * *'
class: Scheduler::MediaCleanupScheduler
feed_cleanup_scheduler:
cron: '0 0 * * *'
cron: '<%= Random.rand(0..59) %> <%= Random.rand(0..2) %> * * *'
class: Scheduler::FeedCleanupScheduler
doorkeeper_cleanup_scheduler:
cron: '1 1 * * 0'
cron: '<%= Random.rand(0..59) %> <%= Random.rand(0..2) %> * * 0'
class: Scheduler::DoorkeeperCleanupScheduler
user_cleanup_scheduler:
cron: '4 5 * * *'
cron: '<%= Random.rand(0..59) %> <%= Random.rand(4..6) %> * * *'
class: Scheduler::UserCleanupScheduler
subscriptions_cleanup_scheduler:
cron: '2 2 * * 0'
cron: '<%= Random.rand(0..59) %> <%= Random.rand(1..3) %> * * 0'
class: Scheduler::SubscriptionsCleanupScheduler
ip_cleanup_scheduler:
cron: '0 4 * * *'
cron: '<%= Random.rand(0..59) %> <%= Random.rand(3..5) %> * * *'
class: Scheduler::IpCleanupScheduler