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Disable wal_autocheckpoint and run PASSIVE checkpoints from one elected writer process. Contenders start in console/rake (initializer), Puma workers (including WEB_CONCURRENCY=auto), and Resque children, with failover, capped error backoff, and tests for lock takeover. Co-authored-by: Thomas Klemm <github@tklemm.eu>
11 lines
454 B
Ruby
11 lines
454 B
Ruby
# Start a checkpoint contender in console, runner, rake and other non-Puma writers.
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# Puma skips this path: config/puma.rb and config/puma_dev.rb start after the
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# correct process is chosen (worker boot vs single-process), so the master that
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# only forks workers never holds the lock alone. Resque starts after_prefork.
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Rails.application.config.after_initialize do
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next if Rails.env.test?
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next if defined?(Puma::CLI)
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SqliteWalCheckpoint.start
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end
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