Postgres Config Changes: 15 to 16

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Updated: 0

New: 13

Removed: 3

Updated Parameters

	Category	Description	Changed:	history_url
name

New Parameters

	Category	Description	Default Value	Var Type	Enum Values	history_url
name
createrole_self_grant	Client Connection Defaults / Statement Behavior	Sets whether a CREATEROLE user automatically grants the role to themselves, and with which options.		string	None
debug_io_direct	Developer Options	Use direct I/O for file access.		string	None
debug_logical_replication_streaming	Developer Options	Forces immediate streaming or serialization of changes in large transactions.	buffered	enum	[buffered, immediate]
debug_parallel_query	Developer Options	Forces the planner's use parallel query nodes.	off	enum	[off, on, regress]
enable_presorted_aggregate	Query Tuning / Planner Method Configuration	Enables the planner's ability to produce plans that provide presorted input for ORDER BY / DISTINCT aggregate functions.	on	bool	None
gss_accept_delegation	Connections and Authentication / Authentication	Sets whether GSSAPI delegation should be accepted from the client.	off	bool	None
icu_validation_level	Client Connection Defaults / Locale and Formatting	Log level for reporting invalid ICU locale strings.	warning	enum	[disabled, debug5, debug4, debug3, debug2, debug1, log, notice, warning, error]
max_parallel_apply_workers_per_subscription	Replication / Subscribers	Maximum number of parallel apply workers per subscription.	2	integer	None
reserved_connections	Connections and Authentication / Connection Settings	Sets the number of connection slots reserved for roles with privileges of pg_use_reserved_connections.	0	integer	None
scram_iterations	Connections and Authentication / Authentication	Sets the iteration count for SCRAM secret generation.	4096	integer	None
send_abort_for_crash	Developer Options	Send SIGABRT not SIGQUIT to child processes after backend crash.	off	bool	None
send_abort_for_kill	Developer Options	Send SIGABRT not SIGKILL to stuck child processes.	off	bool	None
vacuum_buffer_usage_limit	Resource Usage / Memory	Sets the buffer pool size for VACUUM, ANALYZE, and autovacuum.	256 kB	integer	None

Removed Parameters

	Category	Description	Default Value	Var Type	Enum Values	history_url
name
force_parallel_mode	Developer Options	Forces use of parallel query facilities.	off	enum	[off, on, regress]
promote_trigger_file	Replication / Standby Servers	Specifies a file name whose presence ends recovery in the standby.		string	None
vacuum_defer_cleanup_age	Replication / Primary Server	Number of transactions by which VACUUM and HOT cleanup should be deferred, if any.	0	integer	None