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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>
(cherry picked from commit 63d733b3a2)
33 lines
3.1 KiB
Go
33 lines
3.1 KiB
Go
package feature_v2
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import (
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"github.com/zitadel/zitadel/internal/eventstore"
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"github.com/zitadel/zitadel/internal/feature"
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)
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func init() {
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eventstore.RegisterFilterEventMapper(AggregateType, SystemResetEventType, eventstore.GenericEventMapper[ResetEvent])
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eventstore.RegisterFilterEventMapper(AggregateType, SystemLoginDefaultOrgEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, SystemTriggerIntrospectionProjectionsEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, SystemLegacyIntrospectionEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, SystemUserSchemaEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, SystemTokenExchangeEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, SystemActionsEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, SystemImprovedPerformanceEventType, eventstore.GenericEventMapper[SetEvent[[]feature.ImprovedPerformanceType]])
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eventstore.RegisterFilterEventMapper(AggregateType, SystemOIDCSingleV1SessionTerminationEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, SystemDisableUserTokenEvent, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, InstanceResetEventType, eventstore.GenericEventMapper[ResetEvent])
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eventstore.RegisterFilterEventMapper(AggregateType, InstanceLoginDefaultOrgEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, InstanceTriggerIntrospectionProjectionsEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, InstanceLegacyIntrospectionEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, InstanceUserSchemaEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, InstanceTokenExchangeEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, InstanceActionsEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, InstanceImprovedPerformanceEventType, eventstore.GenericEventMapper[SetEvent[[]feature.ImprovedPerformanceType]])
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eventstore.RegisterFilterEventMapper(AggregateType, InstanceWebKeyEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, InstanceDebugOIDCParentErrorEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, InstanceOIDCSingleV1SessionTerminationEventType, eventstore.GenericEventMapper[SetEvent[bool]])
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eventstore.RegisterFilterEventMapper(AggregateType, InstanceDisableUserTokenEvent, eventstore.GenericEventMapper[SetEvent[bool]])
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}
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