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Brand: The Apache Software Foundation
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Realtime Ingestion
Streams from Kafka/Kinesis are ingested continuously, making data queryable on arrival.
Batch Ingestion
Ingests files from Hadoop, S3, or local sources in batch jobs to build optimized segments.
Roll-Up Aggregation
Aggregates rows during ingestion to reduce row counts and improve query performance.
Segment Versioning
Manages segment updates by versioning; new versions atomically replace old ones.
Segment Replication
Replicates segments across nodes for fault tolerance and high query availability
Query Caching
Caches intermediate query results at broker and historical nodes for faster re-execution.
Time Chunk Pruning
Skips irrelevant segments during queries by leveraging time-based partitioning.
Segment Compaction
Periodically merges small segments into larger ones to optimize storage and scans.
Task Scheduling
MiddleManager and Indexer nodes coordinate ingestion tasks in parallel for scaling.
Data Retention Management
Automatically drops or archives old segments based on retention rules.
Load Balancing
Balances query load across historical and real-time nodes to maintain performance.
Segment Partitioning
Data is divided into time-based immutable segments for efficient pruning and query targeting.
Columnar Encoding
Stores data in column-oriented layout, enabling selective access and reduced I/O per query.
Bitmap Indexing
Builds compressed bitmap indexes on dimensions for fast multi-value filtering and lookup.
Dictionary Encoding
Encodes dimension values into integer IDs to reduce storage footprint and accelerate scans.
Brand Name | The Apache Software Foundation |
Information | Apache Software Foundation provides organizational, legal and financial support for Apache open-source software projects. |
Founded Year | 1999 |
Director/Founders | Brian Behlendorf, Grant Ingersoll, Isabel Drost-Fromm, Jim Jagielski, Lars Eilebrecht, Patrick Stued |
Company Size | 1-100 Employees |
Other Products | Apache SkyWalking, Glowroot, Apache Storm, Apache Drill, Apache Airflow |
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