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PERF: cut down on memory usage allowed to redis

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This limits the amount of backlog message bus channels can have.
This commit is contained in:
Sam Saffron 2016-02-04 13:58:38 +11:00
parent 19cdb38b20
commit 209b022385
2 changed files with 6 additions and 2 deletions
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5
config/discourse_defaults.conf
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@ -130,3 +130,8 @@ connection_reaper_max_age = 600
# IMPORTANT: path must not include a trailing /
# EG: /forum
relative_url_root =
# increasing this number will increase redis memory use
# this ensures backlog (ability of channels to catch up are capped)
# message bus default cap is 1000, we are winding it down to 100
message_bus_max_backlog_size = 100

3
config/initializers/004-message_bus.rb
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@ -71,11 +71,10 @@ end
# Point at our redis
MessageBus.redis_config = GlobalSetting.redis_config
MessageBus.reliable_pub_sub.max_backlog_size = GlobalSetting.message_bus_max_backlog_size
MessageBus.long_polling_enabled = SiteSetting.enable_long_polling
MessageBus.long_polling_interval = SiteSetting.long_polling_interval
MessageBus.cache_assets = !Rails.env.development?
MessageBus.enable_diagnostics