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# Which Problems Are Solved When executing many concurrent authentication requests on a single machine user, there were performance issues. As the same aggregate is being searched and written to concurrently, we traced it down to a locking issue on the used index. We already optimized the token endpoint by creating a separate OIDC aggregate. At the time we decided to push a single event to the user aggregate, for the user audit log. See [technical advisory 10010](https://zitadel.com/docs/support/advisory/a10010) for more details. However, a recent security fix introduced an additional search query on the user aggregate, causing the locking issue we found. # How the Problems Are Solved Add a feature flag which disables pushing of the `user.token.v2.added`. The event has no importance and was only added for informational purposes on the user objects. The `oidc_session.access_token.added` is the actual payload event and is pushed on the OIDC session aggregate and can still be used for audit trail. # Additional Changes - Fix an event mapper type for `SystemOIDCSingleV1SessionTerminationEventType` # Additional Context - Reported by support request - https://github.com/zitadel/zitadel/pull/7822 changed the token aggregate - https://github.com/zitadel/zitadel/pull/8631 introduced user state check Load test trace graph with `user.token.v2.added` **enabled**. Query times are steadily increasing:  Load test trace graph with `user.token.v2.added` **disabled**. Query times constant:  --------- Co-authored-by: Livio Spring <livio.a@gmail.com>
42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
package query
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import (
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"context"
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"github.com/zitadel/zitadel/internal/domain"
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"github.com/zitadel/zitadel/internal/feature"
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)
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type FeatureSource[T any] struct {
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Level feature.Level
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Value T
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}
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func (f *FeatureSource[T]) set(level feature.Level, value any) {
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f.Level = level
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f.Value = value.(T)
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}
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type SystemFeatures struct {
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Details *domain.ObjectDetails
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LoginDefaultOrg FeatureSource[bool]
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TriggerIntrospectionProjections FeatureSource[bool]
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LegacyIntrospection FeatureSource[bool]
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UserSchema FeatureSource[bool]
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TokenExchange FeatureSource[bool]
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Actions FeatureSource[bool]
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ImprovedPerformance FeatureSource[[]feature.ImprovedPerformanceType]
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OIDCSingleV1SessionTermination FeatureSource[bool]
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DisableUserTokenEvent FeatureSource[bool]
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}
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func (q *Queries) GetSystemFeatures(ctx context.Context) (_ *SystemFeatures, err error) {
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m := NewSystemFeaturesReadModel()
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if err := q.eventstore.FilterToQueryReducer(ctx, m); err != nil {
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return nil, err
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}
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m.system.Details = readModelToObjectDetails(m.ReadModel)
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return m.system, nil
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}
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