Redis Cache should also support persistence
Redis supports persistence and not acting as a cache (with a LRU key eviction policy).
I would like to be able to provision a Redis cluster that never drops data added to it.
Andrew Armstrong
shared this idea
Redis persistence is now supported in Azure Redis Cache. Please see this for more details
https://azure.microsoft.com/en-us/blog/azure-redis-cache-general-availability-of-premium-tier/ and https://azure.microsoft.com/en-us/documentation/articles/cache-how-to-premium-persistence/
16 comments
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Anonymous commented
Well it's there, but only in premium. I can't afford $600/mo to add persistence. My enterprise subscription wouldn't even cover that for prototyping my app idea.
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Pierrick Blons
commented
Any update about a persistent Redis? Snapshotting would be great.
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Chris
commented
We'd like to be able to persist our cache to disk. It takes too long to load the cache with data after a re-start.
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Youngjae KIM commented
I surprised it does not give persistency even I set it no eviction.
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Flavian Hautbois
commented
This is really a must-have, Azure storage does not provide the adequate throughput or a clear API (looking at you, limitation over how many rows can be inserted at the same time).
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David Prothero
commented
I believe the ask is to enable persistence to durable storage. Redis can do this: http://redis.io/topics/persistence
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Anonymous
commented
Yes, this is a must-have feature. I have to stop using Redis Cache because losing data.
Some options like: persistence data to SQL database, disk, blob, Azure storage . Thanks -
Preet
commented
Is the azure redis cache supports writing to DB?
if the cache reach max memory or entry reaches max TTL, i want to listen to that eviction notification and than save that entry into DB? is it possible currently?
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Denis Mazourick
commented
This is really a must have feature. Absence of this feature makes Redis Cache much less usable
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Steven Burman
commented
I have set the Maxmemory policy to 'noeviction' yet my keys are still expired by my Redis instance.
I understand why 'volatile-lru' is a sensible default, but if I explicitly set 'noeviction' I should not be subjected to key deletion.
I require persistent storage - something that Redis is more than capable of.
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Anonymous
commented
Thanks Sourabh,
The eviction policy doesn't help, because the entire cache is wiped out regardless of the eviction policy. -
Azure Redis Cache supports configuring the eviction policy.
Support for snap shotting cache data to disk/blob is on our radar -
Samir
commented
Is there any update on this? Our Redis Cache keeps losing its data for no reason every 2 weeks or so
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Ilya Pimenov
commented
We urgently need to use Redis as a persistent storage. Could you please add this feature as soon as possible.
We tried to test the current Redis Azure service and all our data is reset approximately every two weeks. -
Andrew Armstrong
commented
Hi Saurabh,
I use Redis as both a cache (server #1) and persistent data store (server #2).
For Server #2's use case; I need no data to be evicted for any automatic reason (noeviction policy).
Secondly, I want reasonable guarantees of durability - the master/***** replication is kept up to date (so a failover won't lose 99% of the data etc), but also that data can be persisted to disk using the AOF file Redis supports - which would protect against both master/***** rebooting for some reason.
Does that help?
Cheers
- Andrew -
Is the ask to make eviction policy configurable? If so, we will be supporting that very soon.
Or is the ask to support writing to persistent storage?