16394 | lib1 | 11140 | postgres | idle | 127.0.0.1 | SET application_name = 'PostgreSQL JDBC Driver' 16394 | lib1 | 14976 | postgres | idle | 127.0.0.1 | SET application_name = 'PostgreSQL JDBC Driver' 16394 | lib1 | 9508 | postgres | idle | 127.0.0.1 | SET application_name =...
postgres=# select * from pg_stat_activity; -[ RECORD 1 ]---+--- datid | 13241 datname | postgres pid | 20644 usesysid | 10 usename | postgres application_name | psql client_addr | client_hostname | client_port | -1 backend_start | 2018-03-25 05:38:16.988057+08 xact_start |...
■ 主库查看 ps aux |grepsender# 返回 postgres: walsender replica 192.168.222.12(64218) streaming 3/27000148selectapplication_name,state, sync_priority, sync_state from pg_stat_replication; application_name |state| sync_priority | sync_state ---+---+---+--- walreceiver | streaming |0| as...
conn=psycopg2.connect('application_name=listener') conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT) cursor=conn.cursor() cursor.execute(f'LISTEN tab;') def attach_partition(table,date): with conn.cursor()as cs: cs.execute('ALTER TABLE "%s" ATTACH PARTITION "%s_%s" FOR V...
#log_hostname = off #log_line_prefix = '%m [%p] ' # 特素值: # %a = application name-应用程序名称 # %u = user name-用户名 # %d = database name-数据库名称 # %r = remote host and port-远程主机和端口 # %h = remote host-远程主机 ...
连接时,支持设定一些连接参数,例如application_name,target_session_attrs等等。还有一些数据库client参数也可以通过options这个参数传入(例如timezone),在建立连接后自动设置。 URI中支持的parameter详见: https://www.postgresql.org/docs/10/static/libpq-connect.html ...
standby_mode='on'primary_conninfo='host=<master_host> port=<postgres_port> user=<replication_user> password=<password> application_name="host_name"'recovery_target_timeline='latest' 1. 2. 3. 4. 5. 上述命令中使用的参数如下: primary_conninfo:通过利用连接字符串在主服务器和辅助服务器之间建立连...
postgres=# select * from pg_stat_replication ;-[ RECORD1]---+---pid| 13179usesysid| 10usename| postgresapplication_name| walreceiverclient_addr| 127.0.0.1client_hostname|client_port| 63198backend_start| 28-JAN-19 17:47:29.85308 +08:00backend_xmin|state| catchupsent_lsn| 7/DDE80000write...
selectdatname, usename, client_addr, application_name, state, backend_start, xact_start, xact_stay, query_start, query_stay,replace(query,chr(10),' ')asqueryfrom(selectpgsa.datnameasdatname, pgsa.usenameasusename, pgsa.client_addr client_addr, pgsa.application_nameasapplication_name, pgsa....
Postgres 11 and lower:Create the/var/lib/pgsql/data/recovery.conffile on each of the remaining nodes. For theprimary_conninfoline, thehost=option for should be set to node 01's replication IP, and theapplication_namecan be set to anything but should differ for each node: ...