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author | Rémy Coutable <remy@rymai.me> | 2019-07-03 15:56:07 +0200 |
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committer | Rémy Coutable <remy@rymai.me> | 2019-07-03 17:00:23 +0200 |
commit | 644f53383b9c51ed91310ddf6b4034c8b4833e0b (patch) | |
tree | c527fea07a83ac7b4069952608fb1e6aae693139 | |
parent | 406b67ca824790a5965b44ac76f87db68037248f (diff) | |
download | gitlab-ce-cache-performance_bar_allowed_user_ids-locally.tar.gz |
Cache PerformanceBar.allowed_user_ids list locally and in Rediscache-performance_bar_allowed_user_ids-locally
Signed-off-by: Rémy Coutable <remy@rymai.me>
-rw-r--r-- | lib/gitlab/performance_bar.rb | 28 | ||||
-rw-r--r-- | spec/lib/gitlab/performance_bar_spec.rb | 27 |
2 files changed, 46 insertions, 9 deletions
diff --git a/lib/gitlab/performance_bar.rb b/lib/gitlab/performance_bar.rb index 4b0c7b5c7f8..9916056f6a3 100644 --- a/lib/gitlab/performance_bar.rb +++ b/lib/gitlab/performance_bar.rb @@ -3,7 +3,8 @@ module Gitlab module PerformanceBar ALLOWED_USER_IDS_KEY = 'performance_bar_allowed_user_ids:v2'.freeze - EXPIRY_TIME = 5.minutes + EXPIRY_TIME_L1_CACHE = 1.minute + EXPIRY_TIME_L2_CACHE = 5.minutes def self.enabled?(user = nil) return true if Rails.env.development? @@ -19,20 +20,31 @@ module Gitlab # rubocop: disable CodeReuse/ActiveRecord def self.allowed_user_ids - Rails.cache.fetch(ALLOWED_USER_IDS_KEY, expires_in: EXPIRY_TIME) do - group = Group.find_by_id(allowed_group_id) + l1_cache_backend.fetch(ALLOWED_USER_IDS_KEY, expires_in: EXPIRY_TIME_L1_CACHE) do + l2_cache_backend.fetch(ALLOWED_USER_IDS_KEY, expires_in: EXPIRY_TIME_L2_CACHE) do + group = Group.find_by_id(allowed_group_id) - if group - GroupMembersFinder.new(group).execute.pluck(:user_id) - else - [] + if group + GroupMembersFinder.new(group).execute.pluck(:user_id) + else + [] + end end end end # rubocop: enable CodeReuse/ActiveRecord def self.expire_allowed_user_ids_cache - Rails.cache.delete(ALLOWED_USER_IDS_KEY) + # We only clear Redis cache since memory cache isn't shared anyway. + l2_cache_backend.delete(ALLOWED_USER_IDS_KEY) + end + + def self.l1_cache_backend + Gitlab::ThreadMemoryCache.cache_backend + end + + def self.l2_cache_backend + Rails.cache end end end diff --git a/spec/lib/gitlab/performance_bar_spec.rb b/spec/lib/gitlab/performance_bar_spec.rb index f480376acb4..ee3c571c9c0 100644 --- a/spec/lib/gitlab/performance_bar_spec.rb +++ b/spec/lib/gitlab/performance_bar_spec.rb @@ -3,17 +3,42 @@ require 'spec_helper' describe Gitlab::PerformanceBar do shared_examples 'allowed user IDs are cached' do before do - # Warm the Redis cache + # Warm the caches described_class.enabled?(user) end it 'caches the allowed user IDs in cache', :use_clean_rails_memory_store_caching do expect do + expect(described_class.l1_cache_backend).to receive(:fetch).and_call_original + expect(described_class.l2_cache_backend).not_to receive(:fetch) expect(described_class.enabled?(user)).to be_truthy end.not_to exceed_query_limit(0) end + + it 'caches the allowed user IDs in L1 cache for 1 minute', :use_clean_rails_memory_store_caching do + Timecop.travel 2.minutes do + expect do + expect(described_class.l1_cache_backend).to receive(:fetch).and_call_original + expect(described_class.l2_cache_backend).to receive(:fetch).and_call_original + expect(described_class.enabled?(user)).to be_truthy + end.not_to exceed_query_limit(0) + end + end + + it 'caches the allowed user IDs in L2 cache for 5 minutes', :use_clean_rails_memory_store_caching do + Timecop.travel 6.minutes do + expect do + expect(described_class.l1_cache_backend).to receive(:fetch).and_call_original + expect(described_class.l2_cache_backend).to receive(:fetch).and_call_original + expect(described_class.enabled?(user)).to be_truthy + end.not_to exceed_query_limit(2) + end + end end + it { expect(described_class.l1_cache_backend).to eq(Gitlab::ThreadMemoryCache.cache_backend) } + it { expect(described_class.l2_cache_backend).to eq(Rails.cache) } + describe '.enabled?' do let(:user) { create(:user) } |