redis-MOVE.txt

1、initialize a connection pool for each master node
2、then Cache the mapping relationship between the node and the connection pool, 
and all the slots and the connection pool that the node is responsible for, into the two maps mentioned above





发现slot--node--connection

initializeSlotsCache
	discoverClusterNodesAndSlots


发送重试机制
	runWithRetries
		renewClusterSlots
		
		
		
		
		
	
	sudo systemctl status firewalld
	sudo systemctl start firewalld
	
	
	firewall-cmd --zone=public --permanent --remove-port=16001/tcp
	
	firewall-cmd --zone=public --permanent --add-port=16001/tcp
	
	
	CLUSTER COUNTKEYSINSLOT 15241  返回槽15241所对应key数量 --》数量为 1 
	CLUSTER GETKEYSINSLOT 15241 2  返回槽15241所对应key值 值为 --》ppm_lis_df_hash
	
	
	10.10.84.161  0de3e645b1d4d9aa66ffa4c794f4fe872c5c828e
	10.10.84.163  61383405b81a82a1d88dfd13db26ee42d3c626b9  [15241 -- ppm_lis_df_hash]
	目标是将槽 15241 从 84.63 转移至 84.61
	
	1、进入84.161 执行 CLUSTER SETSLOT 15241 importing 0de3e645b1d4d9aa66ffa4c794f4fe872c5c828e   [目标节点做好准备]
	2、进入84.163 执行 CLUSTER SETSLOT 15241 migrating 61383405b81a82a1d88dfd13db26ee42d3c626b9   [源节点做好准备]
	3、进入84.163 执行 MIGRATE 10.10.84.161 6001 ppm_lis_df_hash 0 3600 auth test123					[开始移动数据 key所在的节点]
	4、任意节点 发送通知 CLUSTER SETSLOT 15241 NODE 0de3e645b1d4d9aa66ffa4c794f4fe872c5c828e		[向集群发送通知]
	
	
	CLUSTER SETSLOT 15241 importing 61383405b81a82a1d88dfd13db26ee42d3c626b9  
	CLUSTER SETSLOT 15241 migrating 0de3e645b1d4d9aa66ffa4c794f4fe872c5c828e
	MIGRATE 10.10.84.163 6001 ppm_lis_df_hash 0 3600 auth test123
	CLUSTER SETSLOT 15241 NODE 61383405b81a82a1d88dfd13db26ee42d3c626b9	
	
	84.162 	be2de67b5993164d718579608e6b382f00c81e72   [8568]移动至 84.161
	84.161  0de3e645b1d4d9aa66ffa4c794f4fe872c5c828e
	
	1、进入84.161 执行 CLUSTER SETSLOT 8568 importing 0de3e645b1d4d9aa66ffa4c794f4fe872c5c828e
	2、进入84.162 执行 CLUSTER SETSLOT 8568 migrating be2de67b5993164d718579608e6b382f00c81e72   [源节点做好准备]
	3、进入84.162 执行 MIGRATE 10.10.84.161 6001 us_stkqt_list8 0 3600 auth test123					[开始移动数据 key所在的节点]
	4、任意节点 发送通知 CLUSTER SETSLOT 8568 NODE 0de3e645b1d4d9aa66ffa4c794f4fe872c5c828e		[向集群发送通知]
	
	10.10.84.61  0de3e645b1d4d9aa66ffa4c794f4fe872c5c828e   [2683  ppm_lis_df]
	10.10.84.63  61383405b81a82a1d88dfd13db26ee42d3c626b9
	
	1 -->  84.63 >> CLUSTER SETSLOT 2683 importing 61383405b81a82a1d88dfd13db26ee42d3c626b9
	2 -->  84.61 >> CLUSTER SETSLOT 2683 migrating 0de3e645b1d4d9aa66ffa4c794f4fe872c5c828e
	3 -->  84.63 >> MIGRATE 10.10.84.163 6001 ppm_lis_df 0 3600 auth test123
	4 -->		 >> CLUSTER SETSLOT 2683 NODE 61383405b81a82a1d88dfd13db26ee42d3c626b9
	
	
	CLUSTER SETSLOT 2683 importing 0de3e645b1d4d9aa66ffa4c794f4fe872c5c828e 
	CLUSTER SETSLOT 2683 migrating 61383405b81a82a1d88dfd13db26ee42d3c626b9
    MIGRATE 10.10.84.161 6001 ppm_lis_df 0 3600 auth test123
    CLUSTER SETSLOT 2683 NODE 0de3e645b1d4d9aa66ffa4c794f4fe872c5c828e