Changes between Version 4 and Version 5 of GROUPReplicate

Timestamp:

06/11/22 02:33:46 (4 years ago)

Author:

krit

Comment:

--

GROUPReplicate

@@ -33 +33 @@
 }}}
 
-4. On master node
+4. On master node1, in command pls change '''node1''' to docker id ex. 26b55aaad407 which can be checked with '''docker ps''' on swarm node n3 
+{{{
+docker exec -it node1 mysql -uroot -pmypass \
+  -e "SET @@GLOBAL.group_replication_bootstrap_group=1;" \
+  -e "create user 'repl'@'%';" \
+  -e "GRANT REPLICATION SLAVE ON *.* TO repl@'%';" \
+  -e "flush privileges;" \
+  -e "change master to master_user='repl' for channel 'group_replication_recovery';" \
+  -e "START GROUP_REPLICATION;" \
+  -e "SET @@GLOBAL.group_replication_bootstrap_group=0;" \
+  -e "SELECT * FROM performance_schema.replication_group_members;"
+}}}
+
+5. On replicate node2, node3, pls change '''node2''' to docker id ex. ac87f41b140c which can be checked with '''docker ps''' on swarm node n1, n2
+{{{
+root@n1:/home/ubuntu/GR# docker exec -it ac87f41b140c mysql -uroot -pmypass \
+   -e "change master to master_user='repl' for channel 'group_replication_recovery';" \
+   -e "START GROUP_REPLICATION;"
+}}}
+We also do above command with node3 (replicate node)
+
+6. Check all nodes status on node1 
+{{{
+root@n3:/home/ubuntu# docker exec -it 26 mysql -uroot -pmypass   -e "SELECT * FROM performance_schema.replication_group_members;"
+mysql: [Warning] Using a password on the command line interface can be insecure.
++---------------------------+--------------------------------------+-------------+-------------+--------------+-------------+----------------+----------------------------+
+| CHANNEL_NAME              | MEMBER_ID                            | MEMBER_HOST | MEMBER_PORT | MEMBER_STATE | MEMBER_ROLE | MEMBER_VERSION | MEMBER_COMMUNICATION_STACK |
++---------------------------+--------------------------------------+-------------+-------------+--------------+-------------+----------------+----------------------------+
+| group_replication_applier | 852f597b-e92c-11ec-9238-02420a000b03 | node2       |        3306 | ONLINE       | SECONDARY   | 8.0.29         | XCom                       |
+| group_replication_applier | 89a10b8c-e92c-11ec-9362-02420a000b06 | node3       |        3306 | ONLINE       | SECONDARY   | 8.0.29         | XCom                       |
+| group_replication_applier | 8ef43b09-e92c-11ec-936c-02420a000b09 | node1       |        3306 | ONLINE       | PRIMARY     | 8.0.29         | XCom                       |
++---------------------------+--------------------------------------+-------------+-------------+--------------+-------------+----------------+----------------------------+
+root@n3:/home/ubuntu# 
+}}}