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- ActiveMQ
- ActiveMQ Artemis
- Apache Kafka
- Apache Kafka (Experimental)
- Apache Pulsar
- ArangoDB
- AWS CloudWatch
- AWS DynamoDB
- AWS DynamoDB Streams
- AWS Kinesis Stream
- AWS SQS Queue
- Azure Application Insights
- Azure Blob Storage
- Azure Data Explorer
- Azure Event Hubs
- Azure Log Analytics
- Azure Monitor
- Azure Pipelines
- Azure Service Bus
- Azure Storage Queue
- Cassandra
- CouchDB
- CPU
- Cron
- Datadog
- Elasticsearch
- Etcd
- External
- External Push
- Github Runner Scaler
- Google Cloud Platform Stackdriver
- Google Cloud Platform Storage
- Google Cloud Platform Cloud Tasks
- Google Cloud Platform Pub/Sub
- Graphite
- Huawei Cloudeye
- IBM MQ
- InfluxDB
- Kubernetes Workload
- Liiklus Topic
- Loki
- Memory
- Metrics API
- MongoDB
- MSSQL
- MySQL
- NATS JetStream
- NATS Streaming
- New Relic
- OpenStack Metric
- OpenStack Swift
- PostgreSQL
- Predictkube
- Prometheus
- RabbitMQ Queue
- Redis Lists
- Redis Lists (supports Redis Cluster)
- Redis Lists (supports Redis Sentinel)
- Redis Streams
- Redis Streams (supports Redis Cluster)
- Redis Streams (supports Redis Sentinel)
- Selenium Grid Scaler
- Solace PubSub+ Event Broker
- Solr
KEDA scalers can both detect if a deployment should be activated or deactivated, and feed custom metrics for a specific event source.
Currently available scalers for KEDA
External scaler information is pulled from Artifact Hub. External scaler maintainers can learn more on Artifact Hub docs