• Cluster formation
• Index data
• Index aliases
• Data streams
• Mapping
• Aggregations
• Index templates
• Reindex data
• Remote-backed storage
• Searching data
• Query DSL
• Search templates
• Point in Time
• Logs
• Shard indexing backpressure
• Search backpressure
• Segment replication
• Snapshots
• Cluster manager task throttling
• Supported field types
• Supported units
• Common REST Parameters
• Popular APIs