This table shows network and status information for
replication group members. The network addresses shown are the
addresses used to connect clients to the group, and should not
be confused with the member's internal group communication
address specified by
group_replication_local_address
.
The replication_group_members
table has
these columns:
CHANNEL_NAME
Name of the Group Replication channel.
MEMBER_ID
Identifier for this member; the same as the server UUID.
MEMBER_HOST
Network address of this member (host name or IP address). Retrieved from the member's
hostname
variable.MEMBER_PORT
Port on which the server is listening. Retrieved from the member's
port
variable.MEMBER_STATE
Current state of this member; can be any one of the following:
OFFLINE
: The Group Replication plugin is installed but has not been started.RECOVERING
: The server has joined a group from which it is retrieving data.ONLINE
: The member is in a fully functioning state.ERROR
: The member has encountered an error, either during applying transactions or during the recovery phase, and is not participating in the group's transactions.UNREACHABLE
: The failure detection process suspects that this member cannot be contacted, because the group messages have timed out.
TRUNCATE TABLE
is not permitted
for the replication_group_members
table.