Redis replication and redis sharding (cluster) difference
Tag : redis , By : Christopher
Date : March 29 2020, 07:55 AM
wish helps you Sharding is almost replication's antithesis, though they are orthogonal concepts and work well together.
Sharding, also known as partitioning, is splitting the data up by key; While replication, also known as mirroring, is to copy all data.
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Redis Replication Question
Date : March 29 2020, 07:55 AM
I hope this helps you . That's not EXACTLY what it says in the docs, it actually says:
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Redis replication without lua
Tag : lua , By : ralph okochu
Date : March 29 2020, 07:55 AM
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Redis replication at key level
Tag : redis , By : nd27182
Date : March 29 2020, 07:55 AM
may help you . Redis only supports replication of whole instances. Limiting replication to a key prefix or database is not possible.
Running two instances of Redis is simplest and reliable option. Another way would be to write a custom replication program which is difficult and failure prone in comparison.
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Difference between Redis Replication and Redis Sentinel
Tag : redis , By : matthew
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , You use them both together. If you have a master and a couple of slaves, replication makes sure that data between all three remains consistent, but sentinel will handle promoting a slave to a master if the master dies, redirecting new requests to the new master, and notifying someone about what has happened.
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