diff options
| -rw-r--r-- | app/models/active_session.rb | 12 | ||||
| -rw-r--r-- | changelogs/unreleased/64315-mget_sessions_in_chunks.yml | 5 | ||||
| -rw-r--r-- | spec/models/active_session_spec.rb | 13 |
3 files changed, 26 insertions, 4 deletions
diff --git a/app/models/active_session.rb b/app/models/active_session.rb index f355b02c428..345767179eb 100644 --- a/app/models/active_session.rb +++ b/app/models/active_session.rb @@ -3,6 +3,8 @@ class ActiveSession include ActiveModel::Model + SESSION_BATCH_SIZE = 200 + attr_accessor :created_at, :updated_at, :session_id, :ip_address, :browser, :os, :device_name, :device_type, @@ -106,10 +108,12 @@ class ActiveSession Gitlab::Redis::SharedState.with do |redis| session_keys = session_ids.map { |session_id| "#{Gitlab::Redis::SharedState::SESSION_NAMESPACE}:#{session_id}" } - redis.mget(session_keys).compact.map do |raw_session| - # rubocop:disable Security/MarshalLoad - Marshal.load(raw_session) - # rubocop:enable Security/MarshalLoad + session_keys.each_slice(SESSION_BATCH_SIZE).flat_map do |session_keys_batch| + redis.mget(session_keys_batch).compact.map do |raw_session| + # rubocop:disable Security/MarshalLoad + Marshal.load(raw_session) + # rubocop:enable Security/MarshalLoad + end end end end diff --git a/changelogs/unreleased/64315-mget_sessions_in_chunks.yml b/changelogs/unreleased/64315-mget_sessions_in_chunks.yml new file mode 100644 index 00000000000..d50d86726e2 --- /dev/null +++ b/changelogs/unreleased/64315-mget_sessions_in_chunks.yml @@ -0,0 +1,5 @@ +--- +title: Do Redis lookup in batches in ActiveSession.sessions_from_ids +merge_request: 30561 +author: +type: performance diff --git a/spec/models/active_session_spec.rb b/spec/models/active_session_spec.rb index 2762eaeccd3..09c2878663a 100644 --- a/spec/models/active_session_spec.rb +++ b/spec/models/active_session_spec.rb @@ -132,6 +132,19 @@ RSpec.describe ActiveSession, :clean_gitlab_redis_shared_state do expect(ActiveSession.sessions_from_ids([])).to eq([]) end + + it 'uses redis lookup in batches' do + stub_const('ActiveSession::SESSION_BATCH_SIZE', 1) + + redis = double(:redis) + expect(Gitlab::Redis::SharedState).to receive(:with).and_yield(redis) + + sessions = ['session-a', 'session-b'] + mget_responses = sessions.map { |session| [Marshal.dump(session)]} + expect(redis).to receive(:mget).twice.and_return(*mget_responses) + + expect(ActiveSession.sessions_from_ids([1, 2])).to eql(sessions) + end end describe '.set' do |