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ChintanPatel-6139 asked OuryBa-MSFT edited

Active-Active Geo replication of hashes in Redis Enterprise

I am planning active-active geo replicated Redis Cache. If I update existing key, then how replication works for hashes.
I could not able to find any resource except https://docs.redis.com/latest/rs/databases/active-active/data-types/hashes-active-active/

I am storing Key and around 5KB Object as value in Hashes. If I update this hash, then what data will be replicated to other region? I am trying to calculate bandwidth between regions, however I am not sure CRDTs replicate complete object in case of update or just difference.

Any help would be appreciable!
Thanks in advance.

azure-cache-redis
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OuryBa-MSFT avatar image OuryBa-MSFT ·

@ChintanPatel-6139 Thank you for posting your query in Microsoft Q&A. Are you referring to a non-managed Redis Cache.?

Regards,
Oury

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ChintanPatel-6139 avatar image ChintanPatel-6139 OuryBa-MSFT ·

I am talking about Azure Cache for Redis Enterprise F10

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1 Answer

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OuryBa-MSFT answered OuryBa-MSFT edited

@ChintanPatel-6139 Thank you your clarification.

When using Active Geo Replication, the caches only need to send the delta, not the entire contents of the data structure. The cache only needs to replicate the differences in the hash data structure, not the complete object.

Please let us know if you have any additional questions.

Regards,
Oury

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OuryBa-MSFT avatar image OuryBa-MSFT ·

@ChintanPatel-6139 Please do let us know if you need additional clarification.

Regards,
Oury

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