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Stop WAL checkpointer before fork; one thread owns the flock

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Unify startup: initializer starts every non-test process, Puma and Resque
stop before fork and start again in the child. Only the contender thread
releases the lock. Drop Puma::CLI / single_puma_process? special cases.

Co-authored-by: Thomas Klemm <github@tklemm.eu>
This commit is contained in:
Cursor Agent
2026-10-07 19:00:40 +00:00
parent 88acc4e026
commit 61631ea5f9
7 changed files with 24 additions and 71 deletions
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config/database.yml
+3 -2
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@@ -9,8 +9,9 @@ default: &default
pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 10 } %>
timeout: 5000
default_transaction_mode: immediate
# Checkpoint on a background connection instead (SqliteWalCheckpoint). Every
# non-test writer process runs a contender so this is never left without one.
# Checkpoint on a background connection instead (SqliteWalCheckpoint).
# Non-test processes start a contender; forking servers stop before fork and
# start again in the child so the flock is never inherited.
pragmas:
wal_autocheckpoint: 0