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Is there an alternative to skip the election process of a slave in a Redis cluster, if there is only one slave for a master?
Redis Sentinel : last node doesn't become masterSynchronizing between Redis Masterredis-cli CLUSTER NODES command shows different info on different nodes after CLUSTER RESETRedis Cluster 3.2.0 on EC2 t2.micro (no Elasticache)Recover connection when a new master is elected in the clusterRedis 3 Waiting for the cluster to joinRedis Master Slave Switch after Aof rewriteHow to reconnect Redis cluster nodes?Migration of data from slave to master in Redis Cluster
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
I have set up a Redis cluster with 4 masters and 4 slaves with the following node information:
127.0.0.1:8001> cluster nodes
88d364e0b20e6ec6a471ec6f12d41b82b5f5eab5 127.0.0.1:8009@18009 master - 0 1553593755000 51 connected 0-1165 5461-6627 10923-12088
e2a19e5e4e18327661837d8ce76b40648e6ac418 127.0.0.1:8003@18003 slave 6afaefabbac4d7cccbddbb1c793a7bb72cc10099 0 1553593755414 46 connected
6afaefabbac4d7cccbddbb1c793a7bb72cc10099 127.0.0.1:8007@18007 master - 0 1553593755000 46 connected 12089-16383
3ad52aacf49349d3e1173fb0545a081a2908b048 127.0.0.1:8006@18006 master - 0 1553593755113 50 connected 1166-5460
07d56713b49b4f0273a1d1ee9ad62f58613705e4 127.0.0.1:8004@18004 slave 7c4e0d35fdd1901666d7e0ed4a2298ec73c6e209 0 1553593755000 52 connected
e8c230d88f5abebcb96719cec7d665f2a57400d8 127.0.0.1:8001@18001 myself,slave 3ad52aacf49349d3e1173fb0545a081a2908b048 0 1553593755000 49 connected
7c4e0d35fdd1901666d7e0ed4a2298ec73c6e209 127.0.0.1:8008@18008 master - 0 1553593755314 52 connected 6628-10922
78c8f2ab053b0c2ce2f0635ad042e6c20ca707eb 127.0.0.1:8002@18002 slave 88d364e0b20e6ec6a471ec6f12d41b82b5f5eab5 0 1553593755000 51 connected
127.0.0.1:8001>
I want that if any master with a single slave goes down immediately the slave should be promoted to master by skipping the election process. Is there any possible way to achieve this?
redis redis-cluster
edited Mar 27 at 7:08
karel
2,5049 gold badges29 silver badges32 bronze badges
asked Mar 27 at 7:05
Ratnesh TiwariRatnesh Tiwari
12 bronze badges
add a comment |
I have set up a Redis cluster with 4 masters and 4 slaves with the following node information:
127.0.0.1:8001> cluster nodes
88d364e0b20e6ec6a471ec6f12d41b82b5f5eab5 127.0.0.1:8009@18009 master - 0 1553593755000 51 connected 0-1165 5461-6627 10923-12088
e2a19e5e4e18327661837d8ce76b40648e6ac418 127.0.0.1:8003@18003 slave 6afaefabbac4d7cccbddbb1c793a7bb72cc10099 0 1553593755414 46 connected
6afaefabbac4d7cccbddbb1c793a7bb72cc10099 127.0.0.1:8007@18007 master - 0 1553593755000 46 connected 12089-16383
3ad52aacf49349d3e1173fb0545a081a2908b048 127.0.0.1:8006@18006 master - 0 1553593755113 50 connected 1166-5460
07d56713b49b4f0273a1d1ee9ad62f58613705e4 127.0.0.1:8004@18004 slave 7c4e0d35fdd1901666d7e0ed4a2298ec73c6e209 0 1553593755000 52 connected
e8c230d88f5abebcb96719cec7d665f2a57400d8 127.0.0.1:8001@18001 myself,slave 3ad52aacf49349d3e1173fb0545a081a2908b048 0 1553593755000 49 connected
7c4e0d35fdd1901666d7e0ed4a2298ec73c6e209 127.0.0.1:8008@18008 master - 0 1553593755314 52 connected 6628-10922
78c8f2ab053b0c2ce2f0635ad042e6c20ca707eb 127.0.0.1:8002@18002 slave 88d364e0b20e6ec6a471ec6f12d41b82b5f5eab5 0 1553593755000 51 connected
127.0.0.1:8001>
I want that if any master with a single slave goes down immediately the slave should be promoted to master by skipping the election process. Is there any possible way to achieve this?
redis redis-cluster
edited Mar 27 at 7:08
karel
2,5049 gold badges29 silver badges32 bronze badges
asked Mar 27 at 7:05
Ratnesh TiwariRatnesh Tiwari
12 bronze badges
With single slave per master, I think there will be very short time in election, why you want to skip for your use case ?
– Anuj Vishwakarma
Apr 15 at 18:47
Since I have single slave I already know that only this slave will be promoted as master.So I want to skip the election process to minimize the delay due to election process.
– Ratnesh Tiwari
Apr 19 at 5:32
add a comment |
I have set up a Redis cluster with 4 masters and 4 slaves with the following node information:
127.0.0.1:8001> cluster nodes
88d364e0b20e6ec6a471ec6f12d41b82b5f5eab5 127.0.0.1:8009@18009 master - 0 1553593755000 51 connected 0-1165 5461-6627 10923-12088
e2a19e5e4e18327661837d8ce76b40648e6ac418 127.0.0.1:8003@18003 slave 6afaefabbac4d7cccbddbb1c793a7bb72cc10099 0 1553593755414 46 connected
6afaefabbac4d7cccbddbb1c793a7bb72cc10099 127.0.0.1:8007@18007 master - 0 1553593755000 46 connected 12089-16383
3ad52aacf49349d3e1173fb0545a081a2908b048 127.0.0.1:8006@18006 master - 0 1553593755113 50 connected 1166-5460
07d56713b49b4f0273a1d1ee9ad62f58613705e4 127.0.0.1:8004@18004 slave 7c4e0d35fdd1901666d7e0ed4a2298ec73c6e209 0 1553593755000 52 connected
e8c230d88f5abebcb96719cec7d665f2a57400d8 127.0.0.1:8001@18001 myself,slave 3ad52aacf49349d3e1173fb0545a081a2908b048 0 1553593755000 49 connected
7c4e0d35fdd1901666d7e0ed4a2298ec73c6e209 127.0.0.1:8008@18008 master - 0 1553593755314 52 connected 6628-10922
78c8f2ab053b0c2ce2f0635ad042e6c20ca707eb 127.0.0.1:8002@18002 slave 88d364e0b20e6ec6a471ec6f12d41b82b5f5eab5 0 1553593755000 51 connected
127.0.0.1:8001>
I want that if any master with a single slave goes down immediately the slave should be promoted to master by skipping the election process. Is there any possible way to achieve this?
redis redis-cluster
edited Mar 27 at 7:08
karel
2,5049 gold badges29 silver badges32 bronze badges
asked Mar 27 at 7:05
Ratnesh TiwariRatnesh Tiwari
12 bronze badges
I have set up a Redis cluster with 4 masters and 4 slaves with the following node information:
127.0.0.1:8001> cluster nodes
88d364e0b20e6ec6a471ec6f12d41b82b5f5eab5 127.0.0.1:8009@18009 master - 0 1553593755000 51 connected 0-1165 5461-6627 10923-12088
e2a19e5e4e18327661837d8ce76b40648e6ac418 127.0.0.1:8003@18003 slave 6afaefabbac4d7cccbddbb1c793a7bb72cc10099 0 1553593755414 46 connected
6afaefabbac4d7cccbddbb1c793a7bb72cc10099 127.0.0.1:8007@18007 master - 0 1553593755000 46 connected 12089-16383
3ad52aacf49349d3e1173fb0545a081a2908b048 127.0.0.1:8006@18006 master - 0 1553593755113 50 connected 1166-5460
07d56713b49b4f0273a1d1ee9ad62f58613705e4 127.0.0.1:8004@18004 slave 7c4e0d35fdd1901666d7e0ed4a2298ec73c6e209 0 1553593755000 52 connected
e8c230d88f5abebcb96719cec7d665f2a57400d8 127.0.0.1:8001@18001 myself,slave 3ad52aacf49349d3e1173fb0545a081a2908b048 0 1553593755000 49 connected
7c4e0d35fdd1901666d7e0ed4a2298ec73c6e209 127.0.0.1:8008@18008 master - 0 1553593755314 52 connected 6628-10922
78c8f2ab053b0c2ce2f0635ad042e6c20ca707eb 127.0.0.1:8002@18002 slave 88d364e0b20e6ec6a471ec6f12d41b82b5f5eab5 0 1553593755000 51 connected
127.0.0.1:8001>
I want that if any master with a single slave goes down immediately the slave should be promoted to master by skipping the election process. Is there any possible way to achieve this?
redis redis-cluster
redis redis-cluster
edited Mar 27 at 7:08
karel
2,5049 gold badges29 silver badges32 bronze badges
asked Mar 27 at 7:05
Ratnesh TiwariRatnesh Tiwari
12 bronze badges
edited Mar 27 at 7:08
karel
2,5049 gold badges29 silver badges32 bronze badges
asked Mar 27 at 7:05
Ratnesh TiwariRatnesh Tiwari
12 bronze badges
edited Mar 27 at 7:08
karel
2,5049 gold badges29 silver badges32 bronze badges
edited Mar 27 at 7:08
karel
2,5049 gold badges29 silver badges32 bronze badges
edited Mar 27 at 7:08
karel
2,5049 gold badges29 silver badges32 bronze badges
2,5049 gold badges29 silver badges32 bronze badges
asked Mar 27 at 7:05
Ratnesh TiwariRatnesh Tiwari
12 bronze badges
asked Mar 27 at 7:05
Ratnesh TiwariRatnesh Tiwari
12 bronze badges
asked Mar 27 at 7:05
Ratnesh TiwariRatnesh Tiwari
12 bronze badges
12 bronze badges
With single slave per master, I think there will be very short time in election, why you want to skip for your use case ?
– Anuj Vishwakarma
Apr 15 at 18:47
Since I have single slave I already know that only this slave will be promoted as master.So I want to skip the election process to minimize the delay due to election process.
– Ratnesh Tiwari
Apr 19 at 5:32
add a comment |
With single slave per master, I think there will be very short time in election, why you want to skip for your use case ?
– Anuj Vishwakarma
Apr 15 at 18:47
Since I have single slave I already know that only this slave will be promoted as master.So I want to skip the election process to minimize the delay due to election process.
– Ratnesh Tiwari
Apr 19 at 5:32
With single slave per master, I think there will be very short time in election, why you want to skip for your use case ?
– Anuj Vishwakarma
Apr 15 at 18:47
With single slave per master, I think there will be very short time in election, why you want to skip for your use case ?
– Anuj Vishwakarma
Apr 15 at 18:47
Since I have single slave I already know that only this slave will be promoted as master.So I want to skip the election process to minimize the delay due to election process.
– Ratnesh Tiwari
Apr 19 at 5:32
Since I have single slave I already know that only this slave will be promoted as master.So I want to skip the election process to minimize the delay due to election process.
– Ratnesh Tiwari
Apr 19 at 5:32
add a comment |
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With single slave per master, I think there will be very short time in election, why you want to skip for your use case ?
– Anuj Vishwakarma
Apr 15 at 18:47
Since I have single slave I already know that only this slave will be promoted as master.So I want to skip the election process to minimize the delay due to election process.
– Ratnesh Tiwari
Apr 19 at 5:32