postgresql 中的几个 timeout参数 用法说明

今天整理了下 postgresql 几个 timeout 参数

select version();
version
———————————————————————————————————
PostgreSQL 10.3 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-18), 64-bit
(1 row)
select *
from pg_settings ps
where 1=1
and ps.name like ‘%timeout%’
;
name | setting | unit | category | short_desc | extra_desc | context | vartype | source | min_val | max_val | enumvals | boot_val | reset_val | sourcefile | sourceline | pending_restart
————————————-+———+——+————————————————————–+——————————————————————————————-+————————————-+———–+———+———+———+————+———-+———-+———–+————+————+—————–
archive_timeout | 0 | s | Write-Ahead Log / Archiving | Forces a switch to the next WAL file if a new file has not been started within N seconds. | | sighup | integer | default | 0 | 1073741823 | | 0 | 0 | | | f
authentication_timeout | 60 | s | Connections and Authentication / Security and Authentication | Sets the maximum allowed time to complete client authentication. | | sighup | integer | default | 1 | 600 | | 60 | 60 | | | f
checkpoint_timeout | 300 | s | Write-Ahead Log / Checkpoints | Sets the maximum time between automatic WAL checkpoints. | | sighup | integer | default | 30 | 86400 | | 300 | 300 | | | f
deadlock_timeout | 1000 | ms | Lock Management | Sets the time to wait on a lock before checking for deadlock. | | superuser | integer | default | 1 | 2147483647 | | 1000 | 1000 | | | f
idle_in_transaction_session_timeout | 0 | ms | Client Connection Defaults / Statement Behavior | Sets the maximum allowed duration of any idling transaction. | A value of 0 turns off the timeout. | user | integer | default | 0 | 2147483647 | | 0 | 0 | | | f
lock_timeout | 0 | ms | Client Connection Defaults / Statement Behavior | Sets the maximum allowed duration of any wait for a lock. | A value of 0 turns off the timeout. | user | integer | default | 0 | 2147483647 | | 0 | 0 | | | f
statement_timeout | 0 | ms | Client Connection Defaults / Statement Behavior | Sets the maximum allowed duration of any statement. | A value of 0 turns off the timeout. | user | integer | default | 0 | 2147483647 | | 0 | 0 | | | f
wal_receiver_timeout | 60000 | ms | Replication / Standby Servers | Sets the maximum wait time to receive data from the primary. | | sighup | integer | default | 0 | 2147483647 | | 60000 | 60000 | | | f
wal_sender_timeout | 60000 | ms | Replication / Sending Servers | Sets the maximum time to wait for WAL replication. | | sighup | integer | default | 0 | 2147483647 | | 60000 | 60000 | | | f
(9 rows)