feat(counter): add Redis counter adapter, replace DrbCounter

- Add Mozo::Counter::Redis with same get/set/incr/decr interface
- Add redis gem (~> 5.0) to Gemfile
- Update cable.yml to use Redis adapter in production (shared with counters)
- Document DrbCounter → Redis migration in broadcasting-migration.md
- Redis installed and running on vmi3300327
- Leave Faye as current broadcaster; both switches are one-line changes

DrbCounter problems solved:
  - In-memory → persistent (RDB + AOF)
  - Single-process DRb → multi-process safe Redis
  - Atomic INCR/DECR across Puma workers
  - One less custom process to manage

This commit is contained in:

BenClaw

2026-05-17 16:42:09 +02:00

parent a755d8a205

commit 3e4bcc80c8

6 changed files with 157 additions and 14 deletions

									
										lib/mozo/counter.rb
									
		+3
		
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				@@ -1,5 +1,8 @@

				module Mozo

				  module Counter

				    extend ActiveSupport::Autoload

				    autoload :Redis

				    mattr_accessor :connection

				    # mainly for testing purposes