Thanks everyone.

On Wed, 9 Aug 2023 at 01:00, Regis Le Bretonnic
<r.lebreton...@meetic-corp.com> wrote:
>
> Hi Surbhi
>
> We do use cassandra materialized views even if not recommended.
> There are known issues you have to make with. Despite of them, we still use 
> VM.
> What we observe is :
> * there are  inconsistency issues but few. Most of them are rows that should 
> not exist in the MV...
> * we made a spark script downloading the master table and the MV, and 
> comparing them and fixing data (as said previously we have very few errors 
> and we run it maybe once a year)
>
> * Things go very very very bad when you add or remove a node ! Limit this 
> operation if possible and do it knowing what can happen (we isolate the 
> ring/datacenter and fix data before putting it back to production. We did 
> this only once in the last 4 years).
>
> PS : all proposals avoiding MV failed for our project. Basically managing a 
> table like a MV (by deleting and inserting rows from code) is worse and more 
> corrupted than what MV does...
> The worse issue is adding and removing nodes. Maybe cassandra 4 improves this 
> point (not tested yet).
>
> Have fun...
>
> Le mar. 8 août 2023 à 22:36, Surbhi Gupta <surbhi.gupt...@gmail.com> a écrit :
>>
>> Hi,
>>
>> We get complaints about Materialized View inconsistency issues.
>> We are on 3.11.5 and on 3.11.5 Materialized Views were not production ready.
>> We are ok to upgrade.
>>
>> On which version of cassandra MVs doesnt have inconsistency issues?
>>
>> Thanks
>> Surbhi

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