DBMS > Aerospike vs. Apache IoTDB vs. Weaviate

System Properties Comparison Aerospike vs. Apache IoTDB vs. Weaviate

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Editorial information provided by DB-Engines
Name	Aerospike previously called Citrusleaf  Xexclude from comparison	Apache IoTDB  Xexclude from comparison	Weaviate  Xexclude from comparison
Description	Flash-optimized In-memory NoSQL Database	An IoT native database with high performance for data management and analysis, deployable on the edge and the cloud and integrated with Hadoop, Spark and Flink	A cloud-native, realtime vector search engine integrating scalable machine learning models
Primary database model	Key-value store	Time Series DBMS	Search engine
Secondary database models	Document store
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 6.41 Rank #66   Overall #9   Key-value stores	Score 0.36 Rank #264   Overall #21   Time Series DBMS	Score 0.13 Rank #306   Overall #19   Search engines
Website	aerospike.com	iotdb.apache.org	github.com/­semi-technologies/­weaviate weaviate.io
Technical documentation	docs.aerospike.com		weaviate.io/­developers/­weaviate/­current
Social network pages
Developer	Aerospike	Apache Software Foundation	SeMI Technologies B.V.
Initial release	2012	2018	2017
Current release	6.0.0.0, April 2022		1.0.3, January 2021
License Commercial or Open Source	Open Source Apache and AGPL Licenses; open sourced in June 2014; commercial Enterprise Edition available	Open Source Apache Version 2.0	Open Source commercial license available with Weaviate Enterprise
Cloud-based only Only available as a cloud service	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	C	Java	Go
Server operating systems	Linux	All OS with a Java VM (>= 1.8)
Data scheme	schema-free	yes	yes, maps to GraphQL interface
Typing predefined data types such as float or date	yes	yes	yes string, int, float, geo point, date, cross reference, fuzzy references
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.	no	no	no
Secondary indexes	yes	yes	yes all data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL Support of SQL	no	SQL-like query language	GraphQL is used as query language
APIs and other access methods	JDBC Proprietary protocol	JDBC Native API	GraphQL query language RESTful HTTP/JSON API
Supported programming languages	.Net C C# C++ Erlang Go Java JavaScript (Node.js) Lua Perl PHP Python Ruby
Server-side scripts Stored procedures	user defined functions with Lua	yes	no
Triggers	no	yes	no
Partitioning methods Methods for storing different data on different nodes	Sharding		Sharding
Replication methods Methods for redundantly storing data on multiple nodes	selectable replication factor		yes
MapReduce Offers an API for user-defined Map/Reduce methods	yes Aerospike Aggregation Framework is similar to Map/Reduce	Integration with Hadoop and Spark	no
Consistency concepts Methods to ensure consistency in a distributed system	Eventual Consistency in cross-datacenter configuration and Immediate Consistency in local cluster configuration	Eventual Consistency Strong Consistency with Raft	Eventual Consistency
Foreign keys Referential integrity	no	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic execution of operations	no	no
Concurrency Support for concurrent manipulation of data	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	yes	no
User concepts Access control	Access rights for users and roles with Enterprise Edition only	yes	OpenID Connect Discovery
More information provided by the system vendor
	Aerospike previously called Citrusleaf	Apache IoTDB	Weaviate
Specific characteristics	Aerospike is an enterprise-class, NoSQL database solution delivering predictable... » more	Apache IoTDB (Internet of Things Database) is a time series data management system... » more
Competitive advantages	Optimized for use with SSDs (solid-state hard drives) Scales horizontally and vertically... » more	Low Cost and High Performance Tens of million points write throughput High compression... » more
Typical application scenarios	Aerospike excels in mission-critical applications that have mixed read/write workloads... » more	IoT / IIoT End-Edge-Cloud Collaboration Real-Time and Historian Time Series Analytics » more	As a stand-alone vector search engine, or use one of the many modules (transformers,... » more
Key customers	Nielsen, Williams-Sonoma, Inmobi, AppNexus, Telco (confidential), Financial Services... » more	Over 200 customers worldwide, including Bosch, Siemens, Komat'su, Alibaba, etc. » more	A ll companies that have data. ​ » more
Market metrics	Aerospike's combination of speed, scalability, and reliability delivers 10x performance... » more	185+ contributors and 10,000+ times monthly clones on GitHub Rank 7 by commits among... » more
Licensing and pricing models	Subscription-based Enterprise Edition and free, open-source Community Edition » more	Open Source: Apache License v2.0 Pricing for commercial-/cloud-/edge-edition provided... » more	Weaviate is open-source, and free to use. We also offer Fully managed Weaviate on... » more
News	Aerospike Announces Aerospike SQL Powered by Starburst 15 June 2022 Aerospike Unveils Database 6 27 April 2022 AWS Sponsors Aerospike’s Summit 2022: Mission Now 6 April 2022 Aerospike Accelerates Real-time Data Management in the Cloud 29 March 2022 Aerospike’s Rapid Growth Lands Spot on Inc. Magazine’s List of the Pacific Region’s Fastest-Growing Private Companies 16 March 2022
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More resources
	Aerospike previously called Citrusleaf	Apache IoTDB	Weaviate
DB-Engines blog posts	Evaluating Hbase and Aerospike Solutions for Real-time System of Record 17 March 2020,  Srini Srinivasan, Aerospike (sponsor)  show all