DBMS > Couchbase vs. Solr vs. Sqrrl

System Properties Comparison Couchbase vs. Solr vs. Sqrrl

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Editorial information provided by DB-Engines

Name

Description

JSON-based document store derived from CouchDB with a Memcached-compatible interface

A widely used enterprise search engine based on Apache Lucene

Adaptable, secure NoSQL built on Apache Accumulo

Primary database model

Document store

Search engine

Document store
Graph DBMS
Key-value store
Wide column store

Secondary database models

Key-value store info

originating from the former Membase product and supporting the Memcached protocol

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	31.99
Rank	#23	Overall
	#3	Document stores

Score	57.78
Rank	#17	Overall
	#3	Search engines

Score	0.49
Rank	#209	Overall
	#31	Document stores
	#17	Graph DBMS
	#36	Key-value stores
	#10	Wide column stores

Website

www.couchbase.com

lucene.apache.org/solr

sqrrl.com

Technical documentation

docs.couchbase.com

lucene.apache.org/solr/resources.html

Developer

Couchbase, Inc.

Apache Software Foundation

Amazon

originally Sqrrl Data, Inc.

Initial release

2011

2004

2012

Current release

Server: 6.0, October 2018; Mobile: 2.5, May 2019; Couchbase Autonomous Operator: 1.2, May 2019

8.3.0, November 2019

License

Commercial or Open Source

Open Source info

Apache version 2; Commercial licenses also available

Open Source info

Apache Version 2

commercial

Cloud-based only info

Only available as a cloud service

DBaaS offerings (sponsored links) info

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

Implementation language

C, C++, Go and Erlang

Java

Server operating systems

Linux
OS X
Windows

All OS with a Java VM and a servlet container info

runs as a servlet in servlet container (e.g. Tomcat, Jetty is included)

Linux

Data scheme

schema-free

yes

Dynamic Fields enables on-the-fly addition of new fields

schema-free

Typing

predefined data types such as float or date

yes

String, Boolean, Number

yes

supports customizable data types and automatic typing

yes

XML support info

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

Secondary indexes

yes

All search fields are automatically indexed

yes

SQL

Support of SQL

Declarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.

supports limited query time joins

APIs and other access methods

Native language bindings for CRUD, Query, Search and Analytics APIs

Java API
RESTful HTTP API

Accumulo Shell
Java API
JDBC
ODBC
RESTful HTTP API
Thrift

Supported programming languages

.Net
C
Clojure
ColdFusion
Erlang
Go
Java
JavaScript info

Node.js
Perl
PHP
Python
Ruby
Scala
Tcl

.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala

Actionscript
C info

using GLib
C#
C++
Cocoa
Delphi
Erlang
Go
Haskell
Java
JavaScript
OCaml
Perl
PHP
Python
Ruby
Smalltalk

Server-side scripts info

Stored procedures

Functions and timers in JavaScript

Java plugins

Triggers

yes

via the TAP protocol

yes

User configurable commands triggered on index changes

Partitioning methods info

Methods for storing different data on different nodes

Sharding

making use of Hadoop

Replication methods info

Methods for redundantly storing data on multiple nodes

Master-master replication info

including cross data center replication
Master-slave replication

cloud/distributed (via Zookeeper)
Master-slave replication

selectable replication factor info

making use of Hadoop

MapReduce

Offers an API for user-defined Map/Reduce methods

yes

Consistency concepts info

Methods to ensure consistency in a distributed system

Eventual Consistency
Immediate Consistency info

selectable on a per-operation basis

Eventual Consistency info

slaves poll the master in predefined intervalls

Immediate Consistency info

Document store kept consistent with combination of global timestamping, row-level transactions, and server-side consistency resolution.

Foreign keys info

Referential integrity

Transaction concepts info

Support to ensure data integrity after non-atomic manipulations of data

Single-document ACID transactions

optimistic locking info

Solr 4

Atomic updates per row, document, or graph entity

Concurrency info

Support for concurrent manipulation of data

yes

Durability info

Support for making data persistent

yes

In-memory capabilities info

Is there an option to define some or all structures to be held in-memory only.

yes

Ephemeral buckets

User concepts info

Access control

User and Administrator separation with password-based and LDAP integrated Authentication

Cell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)

More information provided by the system vendor

Specific characteristics

Developed as an alternative to traditionally inflexible relational databases, Couchbase...
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Competitive advantages

Couchbase was architected with several differentiated capabilities: Shared-nothing,...
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Typical application scenarios

Customer 360 for user profile, session store and data aggregation (Comcast, Equifax,...
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Key customers

Amadeus, AT&T, BD (Becton, Dickinson and Company), Carrefour, Cisco, Comcast, Disney,...
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Market metrics

Named a leader in the Forrester Wave™: Big Data NoSQL, Q1 2019 Over 10M downloads...
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Licensing and pricing models

The Community Edition (CE) of Couchbase Server and Couchbase Mobile are available...
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