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DBMS > Apache Doris

Apache Doris Systemeigenschaften

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NameApache Doris
KurzbeschreibungApache Doris is a real-time data warehouse based on MPP architecture. It delivers sub-second query results on large-scale datasets, supports high-concurrency point queries and high-throughput complex analysis. It is widely used for real-time reporting, ad-hoc queries, unified data warehousing, log analysis, lakehouse query acceleration, and AI/RAG applications with built-in vector search capabilities.
Primäres DatenbankmodellRelational DBMS
DB-Engines Ranking infomisst die Popularität von Datenbankmanagement- systemenranking trend
Trend Chart
Punkte0,39
Rang#264  Overall
#121  Relational DBMS
Websitedoris.apache.org
Technische Dokumentationdoris.apache.org/docs
EntwicklerApache Software Foundation, originally contributed from Baidu
Erscheinungsjahr2017
Aktuelle Version4.0.3, Februar 2026
Lizenz infoCommercial or Open SourceOpen Source, Apache License 2.0 infoApache Version 2.0
Ausschließlich ein Cloud-Service infoNur als Cloud-Service verfügbarnein
DBaaS Angebote (gesponserte Links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Velodb Cloud
ImplementierungsspracheC++ (Backend/Storage/Query engine), Java (Frontend/Query planner/Metadata)
Server BetriebssystemeLinux
DatenschemaYes. Supports schema-on-write with Duplicate Key, Unique Key, and Aggregate Key models. Also supports flexible schema via the VARIANT type for semi-structured data.
Typisierung infovordefinierte Datentypen, z.B. float oder dateYes. Rich type system including: BOOLEAN, TINYINT, SMALLINT, INT, BIGINT, LARGEINT, FLOAT, DOUBLE, DECIMAL, DATE, DATETIME, CHAR, VARCHAR, STRING, JSON, VARIANT, ARRAY, MAP, STRUCT, HLL, BITMAP, QUANTILE_STATE, AGG_STATE, IPv4, IPv6.
XML Unterstützung infoVerarbeitung von Daten in XML Format, beispielsweise Speicherung von XML-Strukturen und/oder Unterstützung von XPath, XQuery, XSLTnein
SekundärindizesYes. Inverted index (full-text search with English/Chinese/Unicode tokenization), Bloom filter index, Bitmap index, N-Gram Bloom filter index. Built-in sorted compound key index (up to 3 columns) and automatic Min/Max index for range pruning.
SQL infoSupport of SQLYes. Highly compatible with MySQL syntax and supports standard SQL. Includes window functions, CTEs, subqueries, set operations, lateral views, and GROUPING SETS/ROLLUP/CUBE.
APIs und andere ZugriffskonzepteArrow Flight SQL (high-throughput columnar data transfer)
HTTP REST API (Stream Load, HTTP SQL)
JDBC
MySQL client
ODBC
Prepared Statement
Unterstützte ProgrammiersprachenAny language with MySQL or JDBC/ODBC driver support
C
C# (.NET)
C++
Go
Java
Node.js
PHP
Python
Ruby
Rust
Server-seitige Scripts infoStored ProceduresYes. Java UDF (UDF, UDAF, UDTF, UDWF), Python UDF (scalar and vectorized mode with Pandas), Remote UDF (via RPC protocol)
Triggersnein
Partitionierungsmechanismen infoMethoden zum Speichern von unterschiedlichen Daten auf unterschiedlichen KnotenHorizontal partitioning: Range partitioning (LESS THAN, fixed range, batch range, multi-range), List partitioning (single/multi-column), Auto partitioning (automatic partition creation on data ingestion). Data distribution: Hash bucketing, Random bucketing. Dynamic partition management for time-series data with automatic creation and expiration.
Replikationsmechanismen infoMethoden zum redundanten Speichern von Daten auf mehreren KnotenYes. Multi-replica replication with configurable replication factor per table. Write consistency via quorum protocol (majority-based). Cross-Cluster Replication (CCR) for cross-region disaster recovery and dual-cluster master-slave deployment. Compute-storage decoupled mode (v3.0+) supports shared storage (S3, HDFS, OSS, COS, OBS, MinIO, Ceph) with multiple independent compute clusters.
MapReduce infoBietet ein API für Map/Reduce OperationenNo. Uses MPP (Massively Parallel Processing) architecture with a vectorized execution engine and Pipeline execution model for fully parallel query processing across all nodes.
Konsistenzkonzept infoMethoden zur Sicherstellung der Konsistenz in einem verteilten SystemImmediate Consistency Multi-replica writes are confirmed only after a majority of replicas succeed, ensuring strong consistency for real-time reporting and operational dashboards.
Fremdschlüssel inforeferenzielle Integritätnein
Transaktionskonzept infoUnterstützung zur Sicherstellung der Datenintegrität bei nicht-atomaren DatenmanipulationenACID. Supports explicit transactions (BEGIN/COMMIT/ROLLBACK) and implicit single-statement transactions. Two-phase commit (2PC) for exactly-once ingestion semantics with Flink. Label mechanism ensures no-duplicate and no-loss imports. Isolation level: READ COMMITTED.
Concurrency infoUnterstützung von gleichzeitig ausgeführten DatenmanipulationenYes. High-concurrency point queries (thousands of QPS) for user-facing applications. High-throughput complex analytical queries for BI and reporting. Workload isolation through Resource Groups and compute group separation (in decoupled mode).
Durability infoDauerhafte Speicherung der DatenYes. Multi-replica storage with quorum-based write confirmation. Full and incremental backup/restore. Recycle bin for accidental DROP recovery. Write-Ahead Log (WAL) for data integrity.
In-Memory Unterstützung infoGibt es Möglichkeiten einige oder alle Strukturen nur im Hauptspeicher zu haltenYes. Fully vectorized columnar in-memory query processing engine. Page cache and column data cache for hot data acceleration. Runtime filter pushdown (In/Min/Max/Bloom Filter) for dynamic query optimization. Pipeline execution engine for efficient multi-core CPU utilization.
Berechtigungskonzept infoZugriffskontrolleFine-grained access control with RBAC (Role-Based Access Control). Supports table-level, row-level, and column-level permissions. Authentication: built-in password, LDAP, Kerberos. Centralized security management via Apache Ranger integration. Audit logging for compliance. SSL/TLS encrypted client-server communication. Catalog-level privilege isolation for multi-tenant deployments.

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Weitere Ressourcen
Apache Doris
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