---
title: "Application Domains"
url: https://develop.sentry.dev/backend/application-domains/
---

# Application Domains | Sentry Docs

* #### [Options](https://develop.sentry.dev/backend/application-domains/options.md)

* #### [Database Migrations](https://develop.sentry.dev/backend/application-domains/database-migrations.md)

* #### [Feature Flags](https://develop.sentry.dev/backend/application-domains/feature-flags.md)

* #### [Translations](https://develop.sentry.dev/backend/application-domains/translations.md)

* #### [A/B Tests with Amplitude](https://develop.sentry.dev/backend/application-domains/ab-testing.md)

* #### [Kafka consumers](https://develop.sentry.dev/backend/application-domains/kafka.md)

* #### [Redis](https://develop.sentry.dev/backend/application-domains/redis.md)

  Every new Redis key sets a TTL or is registered as accepted durable data. What that means in practice, and which commands silently drop a TTL.

* #### [Asynchronous Tasks](https://develop.sentry.dev/backend/application-domains/tasks.md)

* #### [Write Buffers](https://develop.sentry.dev/backend/application-domains/write-buffers.md)

* #### [Clustering URL Transactions](https://develop.sentry.dev/backend/application-domains/transaction-clustering.md)

* #### [Grouping](https://develop.sentry.dev/backend/application-domains/grouping.md)

* #### [Outboxes](https://develop.sentry.dev/backend/application-domains/outboxes.md)

* #### [Node Storage](https://develop.sentry.dev/backend/application-domains/nodestore.md)

* #### [Encrypted Fields](https://develop.sentry.dev/backend/application-domains/encrypted-fields.md)

  A replacement Django fields for encrypting sensitive data in Sentry.

* #### [Notification Digests](https://develop.sentry.dev/backend/application-domains/digests.md)

* #### [Time-series Storage](https://develop.sentry.dev/backend/application-domains/tsdb.md)

* #### [Email](https://develop.sentry.dev/backend/application-domains/email.md)

* #### [Quotas](https://develop.sentry.dev/backend/application-domains/quotas.md)

* #### [PII and Data Scrubbing](https://develop.sentry.dev/backend/application-domains/pii.md)

  This document describes a configuration format that we would like to hide from the user eventually. The only reason this page still exists is, because currently Relay accepts this format in alternative to regular data scrubbing settings.

* #### [Metrics](https://develop.sentry.dev/backend/application-domains/metrics.md)

## Pages in this section

- [Options](https://develop.sentry.dev/backend/application-domains/options.md)
- [Database Migrations](https://develop.sentry.dev/backend/application-domains/database-migrations.md)
- [Feature Flags](https://develop.sentry.dev/backend/application-domains/feature-flags.md)
- [Translations](https://develop.sentry.dev/backend/application-domains/translations.md)
- [A/B Tests with Amplitude](https://develop.sentry.dev/backend/application-domains/ab-testing.md)
- [Kafka consumers](https://develop.sentry.dev/backend/application-domains/kafka.md)
- [Redis](https://develop.sentry.dev/backend/application-domains/redis.md)
- [Asynchronous Tasks](https://develop.sentry.dev/backend/application-domains/tasks.md)
- [Write Buffers](https://develop.sentry.dev/backend/application-domains/write-buffers.md)
- [Clustering URL Transactions](https://develop.sentry.dev/backend/application-domains/transaction-clustering.md)
- [Grouping](https://develop.sentry.dev/backend/application-domains/grouping.md)
- [Outboxes](https://develop.sentry.dev/backend/application-domains/outboxes.md)
- [Node Storage](https://develop.sentry.dev/backend/application-domains/nodestore.md)
- [Encrypted Fields](https://develop.sentry.dev/backend/application-domains/encrypted-fields.md)
- [Notification Digests](https://develop.sentry.dev/backend/application-domains/digests.md)
- [Time-series Storage](https://develop.sentry.dev/backend/application-domains/tsdb.md)
- [Email](https://develop.sentry.dev/backend/application-domains/email.md)
- [Quotas](https://develop.sentry.dev/backend/application-domains/quotas.md)
- [PII and Data Scrubbing](https://develop.sentry.dev/backend/application-domains/pii.md)
- [Metrics](https://develop.sentry.dev/backend/application-domains/metrics.md)