This table holds the replica's source lists for each
replication channel for the asynchronous connection failover
mechanism. The asynchronous connection failover mechanism
automatically establishes an asynchronous (source to replica)
replication connection to a new source from the appropriate
list after the existing connection from the replica to its
source fails. You set and manage source lists using the
UDFs to add and remove replication source servers from the
source list for a replication channel.
table has these columns:
The replication channel for which this replication source server is part of the source list. If this channel's connection to its current source fails, this replication source server is one of its potential new sources.
The host name for this replication source server.
The port number for this replication source server.
The network namespace for this replication source server. If this value is empty, connections use the default (global) namespace.
The priority of this replication source server in the replication channel's source list. The priority is from 1 to 100, with 100 being the highest, and 50 being the default. When the asynchronous connection failover mechanism activates, the source with the highest priority setting among the alternative sources listed in the source list for the channel is chosen for the first connection attempt. If this attempt does not work, the replica tries with all the listed sources in descending order of priority, then starts again from the highest priority source. If multiple sources have the same priority, the replica orders them randomly.
table has these indexes:
Primary key on (
CHANNEL_NAME, HOST, PORT, NETWORK_NAMESPACE)