select pg_drop_replication_slot('etl_flink_22'); # etl_flink_22 复制槽名称 3、创建复制槽 a) 创建持久化逻辑复制槽 select pg_create_logical_replication_slot(slot_name, 'flying_decoding',false); ## flying_decoding 复制槽名称 持久化复制槽意味着即使创建该槽的会话结束或数据库重启,复制槽仍然存在。
replication_slot: Record(slot_name='pgsql_streaming', active=False, restart_lsn=None) replication_slot_support: True retention_policy: RECOVERY WINDOW OF 4 WEEKS retention_policy_mode: auto reuse_backup: None server_txt_version: 11.4 slot_name: pgsql_streaming ssh_command: None stats_reset: 2...
primary_slot_name = 'slot49' 并重启从库 附:从库的recovery.conf 文件设置primary_slot_name 参数,指向主库创建的'slot49' 3.5在主库上查看是否设置成功 postgres=# select * from pg_replication_slots ; slot_name | plugin | slot_type | datoid | database | active | active_pid | xmin | cata...
Replication slot— the basic idea of a replication slot is to let the publisher know about the transactions committed by the subscriber so far. This allows the publisher to know if the WAL up to a certain point should be preserved or flushed. A replication slot can have one or more tables...
pre_backup_retry_script: None recovery_options: RecoveryOptions([]) replication_slot大约几天前,我们在postgres上遇到了一些问题,酒保也没能支持我们。08:48:28 2018 - Size: 2.2 TiB - WAL Size: 38.3 GiB (tablespaces: .. 浏览0提问于2018-11-17得票数 0 回答已采纳...
远程写xlog的性能. " "--流复制插槽" select pg_xlog_location_diff(pg_current_xlog_location(),restart_lsn), * from pg_replication_slots; "建议: " " 如果restart_lsn和当前XLOG相差非常大的字节数, 需要排查slot的订阅者是否能正常接收XLOG, 或者订阅者是否正常. 长时间不将slot的数据取走, pg_xlog目...
建议每个表都设置slot.name参数,以避免出现PSQLException: ERROR: replication slot "debezium" is active for PID 974报错。 debezium.* Debezium属性参数。 STRING 否 无 更细粒度控制Debezium客户端的行为。例如'debezium.snapshot.mode' = 'never',详情请参见配置属性。 scan.incremental.snapshot.enabled 是否开启...
Slot.name 重点说明 按照上例Debezium会在PostgreSQL创建一个名为herodotus_slot的复制槽,本例中创建的connector需要通过该复制槽获取数据变更的信息。 可以通过以下sql查看复制槽的信息: select * from pg_replication_slots; 上图中,active_pid为14200,即进程ID为14200的wal_sender进程已经在使用该复制槽与Debezium交...
slot.name 否 flink String 逻辑解码槽的名字。 说明 建议每个表都设置slot.name参数,以避免出现 PSQLException: ERROR: replication slot "flink" is active for PID 974报错。 decoding.plugin.name 否 decoderbufs String Postgres Logical Decoding 插件名称。根据 Postgres 服务上安装的插件确定。支持的插件列表如下...
replicationSlotLag, active from pg_replication_slots ; PostgreSQL v10 and v11 1 2 selectslot_name, pg_size_pretty(pg_wal_lsn_diff(pg_current_wal_lsn(),restart_lsn)) as replicationSlotLag, active from pg_replication_slots ; 7、在确定目前未使用的复制槽(有效状态为 False)后,查询删除该复制...