[12.x] Add default Redis retry configuration #6666
Merged
+8
−0
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Allows Redis connections to be retried automatically.
The additional configuration is only applied if the
phpredis
extension is loaded. It depends on constants that are not available without it — for users running other cache drivers, or running Predis, nothing changes.decorrelated_jitter
is used by default to avoid "retry storms" — Here's an AWS articleWith the default configuration, retry delays would be ~300ms, ~600ms, ~1000ms, for a ~2 second total retry window.
This is a bit of a beefy config, mostly because of that
match
statement — maybe we could pass strings and parse them onframework
— that'd also solve having to be careful with calling theRedis
namespace