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Brand: RisingWave
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SQL Query Processing
Executes relational queries on streaming and batch data using standard SQL syntax for real-time data analysis tasks.
Stream Ingestion
Continuously ingests event streams from external systems such as Kafka, Pulsar, and message queues for processing.
Materialized Views
Maintains continuously updated query results as materialized views, enabling direct access to processed data.
Incremental Computation
Processes only newly arriving data rather than recomputing entire datasets, ensuring efficient query execution.
Window Aggregation
Performs aggregations on event streams over time-based, session-based, or count-based windows for analytics
User-Defined Functions
Supports creation of scalar, aggregate, and table functions to extend SQL processing with custom logic.
Indexing Support
Creates and maintains indexes on streaming tables and views to accelerate lookups and query execution.
Query Optimization
Generates optimized execution plans with cost-based and rule-based techniques for efficient query performance.
Backfill Processing
Executes backfilling of historical data streams into materialized views without interrupting live processing.
Execution Graphs
Organizes queries as distributed execution graphs composed of operators, fragments, and actors in runtime.
State Management
Maintains operator states in distributed storage for fault tolerance and supports recovery during execution.
Data Partitioning
Distributes streaming data across partitions to parallelize execution and balance processing workloads.
Query Explain Plans
Provides detailed logical and physical execution plans via EXPLAIN for query debugging and performance tuning.
Brand Name | RisingWave |
Information | RisingWave is an open-source distributed SQL database for data stream ingestion, processing, and analytics. It is designed to reduce the complexity and cost of building real-time applications. |
Founded Year | 2021 |
Director/Founders | Scott Shi, Yingjun Wu |
Company Size | 101-500 Employees |
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