DBMS > Manticore Search vs. Memcached vs. PostgreSQL
System Properties Comparison Manticore Search vs. Memcached vs. PostgreSQL
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|Name||Manticore Search Xexclude from comparison||Memcached Xexclude from comparison||PostgreSQL Xexclude from comparison|
|Description||Multi-storage database for search, including full-text search.||In-memory key-value store, originally intended for caching||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL|
|Primary database model||Search engine||Key-value store||Relational DBMS with object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.|
|Secondary database models||Time Series DBMS using the Manticore Columnar Library||Document store|
|Developer||Manticore Software||Danga Interactive originally developed by Brad Fitzpatrick for LiveJournal||PostgreSQL Global Development Group www.postgresql.org/developer|
|Initial release||2017||2003||1989 1989: Postgres, 1996: PostgreSQL|
|Current release||4.2, December 2021||1.6.15, March 2022||14.4, June 2022|
|License Commercial or Open Source||Open Source GPL version 2||Open Source BSD license||Open Source BSD|
|Cloud-based only Only available as a cloud service||no||no||no|
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|Server operating systems||FreeBSD|
|Data scheme||Fixed schema||schema-free||yes|
|Typing predefined data types such as float or date||Int, Bigint, Float, Timestamp, Bit, Int array, Bigint array, JSON, Boolean||no||yes|
|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.||Can index from XML||yes specific XML-type available, but no XML query functionality.|
|Secondary indexes||yes full-text index on all search fields||no||yes|
|SQL Support of SQL||SQL-like query language||no||yes standard with numerous extensions|
|APIs and other access methods||Binary API|
RESTful HTTP/JSON API
RESTful HTTP/SQL API
SQL over MySQL
native C library
streaming API for large objects
|Supported programming languages||Elixir|
|Server-side scripts Stored procedures||user defined functions||no||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.|
|Partitioning methods Methods for storing different data on different nodes||Sharding Partitioning is done manually, search queries against distributed index is supported||none||partitioning by range, list and (since PostgreSQL 11) by hash|
|Replication methods Methods for redundantly storing data on multiple nodes||Synchronous replication based on Galera library||none Repcached, a Memcached patch, provides this functionallity||Source-replica replication other methods possible by using 3rd party extensions|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency|
|Foreign keys Referential integrity||no||no||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||yes isolated transactions for atomic changes and binary logging for safe writes||no||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes The original contents of fields are not stored in the Manticore index.||no||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no|
|User concepts Access control||no||yes using SASL (Simple Authentication and Security Layer) protocol||fine grained access rights according to SQL-standard|
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