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PERF: Redis snapshotting during tests (#15260)

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We can fake redis transactions so that `fab!` works for redis and PG
data, but it's too slow to be used indiscriminately. Instead, you can
opt into it with the `use_redis_snapshotting` helper.

Insofar as snapshotting allows us to `fab!` more things, it provides a
speedup.
This commit is contained in:
Daniel Waterworth
2021-12-10 14:25:26 -06:00
committed by GitHub
parent e42f33b6ba
commit 02245ce41f
5 changed files with 72 additions and 5 deletions
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3
lib/discourse_redis.rb
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@ -53,7 +53,8 @@ class DiscourseRedis
:msetnx, :persist, :pexpire, :pexpireat, :psetex, :pttl, :rename, :renamenx, :rpop, :rpoplpush, :rpush, :rpushx, :sadd, :scard,
:sdiff, :set, :setbit, :setex, :setnx, :setrange, :sinter, :sismember, :smembers, :sort, :spop, :srandmember, :srem, :strlen,
:sunion, :ttl, :type, :watch, :zadd, :zcard, :zcount, :zincrby, :zrange, :zrangebyscore, :zrank, :zrem, :zremrangebyrank,
:zremrangebyscore, :zrevrange, :zrevrangebyscore, :zrevrank, :zrangebyscore ].each do |m|
:zremrangebyscore, :zrevrange, :zrevrangebyscore, :zrevrank, :zrangebyscore,
:dump, :restore].each do |m|
define_method m do |*args, **kwargs|
args[0] = "#{namespace}:#{args[0]}" if @namespace
DiscourseRedis.ignore_readonly { @redis.public_send(m, *args, **kwargs) }