Preloading

PostgreSQL extensions that require dynamic loading

The following 102 extensions require loading in shared_preload_libraries to function properly.

You need to modify the shared_preload_libraries parameter in postgresql.conf, add the extension library, and restart the database.

Extension	Library	Description
`timescaledb`	`timescaledb`	Enables scalable inserts and complex queries for time-series data
`pg_cron`	`pg_cron`	Job scheduler for PostgreSQL
`pg_task`	`pg_task`	execute any sql command at any specific time at background
`pg_later`	`pg_later`	Run queries now and get results later
`vchord`	`vchord`	Vector database plugin for Postgres, written in Rust
`vectorize`	`vectorize`	The simplest way to do vector search on Postgres
`pgml`	`pgml`	Run AL/ML workloads with SQL interface
`pg_search`	`pg_search`	Full text search for PostgreSQL using BM25
`pg_bigm`	`pg_bigm`	create 2-gram (bigram) index for faster full text search.
`pg_bestmatch`	`pg_bestmatch`	Generate BM25 sparse vector inside PostgreSQL
`vchord_bm25`	`vchord_bm25`	A postgresql extension for bm25 ranking algorithm
`pg_tokenizer`	`pg_tokenizer`	Tokenizers for full-text search
`pg_textsearch`	`pg_textsearch`	Full-text search with BM25 ranking
`citus`	`citus`	Distributed PostgreSQL as an extension
`pg_analytics`	`pg_analytics`	Postgres for analytics, powered by DuckDB
`pg_duckdb`	`pg_duckdb`	DuckDB Embedded in Postgres
`pg_mooncake`	`pg_mooncake`	Columnstore Table in Postgres
`storage_engine`	`storage_engine`	colcompress and rowcompress Table Access Methods with vectorized execution
`pg_clickhouse`	`pg_clickhouse`	Interfaces to query ClickHouse databases from PostgreSQL
`pg_parquet`	`pg_parquet`	copy data between Postgres and Parquet
`age`	`age`	AGE graph database extension
`ulak`	`ulak`	Transactional Outbox extension for PostgreSQL with reliable asynchronous delivery
`pg_ttl_index`	`pg_ttl_index`	Automatic data expiration with TTL indexes
`pg_hint_plan`	`pg_hint_plan`	Give PostgreSQL ability to manually force some decisions in execution plans.
`plan_filter`	`plan_filter`	filter statements by their execution plans.
`pg_ivm`	`pg_ivm`	incremental view maintenance on PostgreSQL
`pg_trickle`	`pg_trickle`	Streaming tables and differential view maintenance for PostgreSQL 18
`provsql`	`provsql`	Semiring provenance and uncertainty management for PostgreSQL
`orioledb`	`orioledb`	OrioleDB, the next generation transactional engine
`omni`	`omni--0.2.14.so`	Advanced adapter for Postgres extensions
`pg_tle`	`pg_tle`	Trusted Language Extensions for PostgreSQL
`pldbgapi`	`pldbgapi`	server-side support for debugging PL/pgSQL functions
`plpgsql_check`	`plpgsql_check`	extended check for plpgsql functions
`plprofiler`	`plprofiler`	server-side support for profiling PL/pgSQL functions
`pg_regresql`	`pg_regresql`	Trust pg_class statistics for planning instead of physical relation size
`pgpdf`	`pgpdf`	PDF type with meta admin & Full-Text Search
`pglite_fusion`	`pglite_fusion`	Embed an SQLite database in your PostgreSQL table
`pg_net`	`pg_net`	Async HTTP Requests
`pgx_ulid`	`pgx_ulid`	ulid type and methods
`pg_rewrite`	`pg_rewrite`	Tool allows read write to the table during the rewriting
`pg_query_rewrite`	`pg_query_rewrite`	Rewrite SQL statements with a PostgreSQL ProcessUtility hook
`pg_squeeze`	`pg_squeeze`	A tool to remove unused space from a relation.
`pg_readonly`	`pg_readonly`	cluster database read only
`pgautofailover`	`pgautofailover`	pg_auto_failover
`pg_crash`	`pg_crash`	Send random signals to random processes
`qos`	`qos`	QoS resource governor extension for PostgreSQL sessions and queries
`safeupdate`	`safeupdate`	Require criteria for UPDATE and DELETE
`pg_strict`	`pg_strict`	Prevent dangerous UPDATE and DELETE without WHERE clause
`pg_prewarm`	`pg_prewarm`	prewarm relation data
`pg_tracing`	`pg_tracing`	Distributed Tracing for PostgreSQL
`pg_stat_ch`	`pg_stat_ch`	Export PostgreSQL query telemetry to ClickHouse
`pg_show_plans`	`pg_show_plans`	show query plans of all currently running SQL statements
`pg_stat_kcache`	`pg_stat_kcache`	Kernel statistics gathering
`pg_stat_monitor`	`pg_stat_monitor`	The pg_stat_monitor is a PostgreSQL Query Performance Monitoring tool, based on PostgreSQL contrib module pg_stat_statements. pg_stat_monitor provides aggregated statistics, client information, plan details including plan, and histogram information.
`pg_qualstats`	`pg_qualstats`	An extension collecting statistics about quals
`pg_store_plans`	`pg_store_plans`	track plan statistics of all SQL statements executed
`pg_track_optimizer`	`pg_track_optimizer`	Track planning decisions in comparison with execution reality
`pg_wait_sampling`	`pg_wait_sampling`	sampling based statistics of wait events
`pg_datasentinel`	`pg_datasentinel`	Observability and activity monitoring extension for PostgreSQL
`pgsentinel`	`pgsentinel`	active session history
`pgnodemx`	`pgnodemx`	Capture node OS metrics via SQL queries
`bgw_replstatus`	`bgw_replstatus`	Small PostgreSQL background worker to report whether a node is a replication master or standby
`pg_relusage`	`pg_relusage`	Log all the queries that reference a particular column
`pg_overexplain`	`pg_overexplain`	Allow EXPLAIN to dump even more details
`auto_explain`	`auto_explain`	Provides a means for logging execution plans of slow statements automatically
`pg_stat_statements`	`pg_stat_statements`	track planning and execution statistics of all SQL statements executed
`passwordcheck_cracklib`	`$libdir/passwordcheck_cracklib`	Strengthen PostgreSQL user password checks with cracklib
`supautils`	`supautils`	Extension that secures a cluster on a cloud environment
`pgsodium`	`pgsodium`	Postgres extension for libsodium functions
`column_encrypt`	`column_encrypt`	Transparent column-level encryption with encrypted_text and encrypted_bytea types
`anon`	`anon`	PostgreSQL Anonymizer (anon) extension
`pgaudit`	`pgaudit`	provides auditing functionality
`pgauditlogtofile`	`pgauditlogtofile`	pgAudit addon to redirect audit log to an independent file
`logerrors`	`logerrors`	Function for collecting statistics about messages in logfile
`pg_auth_mon`	`pg_auth_mon`	monitor connection attempts per user
`credcheck`	`credcheck`	credcheck - postgresql plain text credential checker
`set_user`	`set_user`	similar to SET ROLE but with added logging
`pg_snakeoil`	`pg_snakeoil`	The PostgreSQL Antivirus
`pgextwlist`	`pgextwlist`	PostgreSQL Extension Whitelisting
`pg_command_fw`	`pg_command_fw`	DDL and utility command firewall for PostgreSQL
`block_copy_command`	`block_copy_command`	Block COPY commands via a configurable ProcessUtility hook
`noset`	`noset`	Module for blocking SET variables for non-super users.
`pg_tde`	`pg_tde`	Percona pg_tde access method
`sepgsql`	`sepgsql`	label-based mandatory access control (MAC) based on SELinux security policy.
`auth_delay`	`auth_delay`	pause briefly before reporting authentication failure
`passwordcheck`	`$libdir/passwordcheck`	checks user passwords and reject weak password
`documentdb`	`pg_documentdb,pg_documentdb_core`	API surface for DocumentDB for PostgreSQL
`documentdb_core`	`pg_documentdb,pg_documentdb_core`	Core API surface for DocumentDB for PostgreSQL
`documentdb_distributed`	`pg_documentdb,pg_documentdb_core`	Multi-Node API surface for DocumentDB
`documentdb_extended_rum`	`pg_documentdb_extended_rum`	DocumentDB Extended RUM index access method
`pgtt`	`pgtt`	Extension to add Global Temporary Tables feature to PostgreSQL
`pg_statement_rollback`	`pg_statement_rollback`	Server side rollback at statement level for PostgreSQL like Oracle or DB2
`pg_dbms_errlog`	`pg_dbms_errlog`	Emulate DBMS_ERRLOG Oracle module to log DML errors in a dedicated table.
`babelfishpg_tds`	`babelfishpg_tds`	SQL Server TDS protocol extension
`pglogical`	`pglogical`	PostgreSQL Logical Replication
`pglogical_ticker`	`pglogical_ticker`	Have an accurate view on pglogical replication delay
`pg_failover_slots`	`pg_failover_slots`	PG Failover Slots extension
`pgactive`	`pgactive`	Active-Active Replication Extension for PostgreSQL
`spock`	`spock`	Multi-master logical replication extension for PostgreSQL
`pgclone`	`pgclone`	Clone PostgreSQL databases, schemas, tables, and functions across environments
`decoderbufs`	`decoderbufs`	Logical decoding plugin that delivers WAL stream changes using a Protocol Buffer format
`repmgr`	`repmgr`	Replication manager for PostgreSQL

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Last Modified 2026-04-19: routine extension update (eca6847)