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From Alexander Dejanovski <>
Subject Re: Large partitions
Date Thu, 13 Sep 2018 16:46:59 GMT
Hi Gedeon,

you should check Robert Stupp's 2016 talk about large partitions :


On Thu, Sep 13, 2018 at 6:42 PM Gedeon Kamga <> wrote:

> Folks,
> Based on the information found here
> ,
> the recommended limit for a partition size is 100MB. Even though, DataStax
> clearly states that this is a rule of thumb, some team members are claiming
> that our Cassandra *Write *is very slow because the partitions on some
> tables are over 100MB. I know for a fact that this rule has changed since
> 2.2. Starting Cassandra 2.2 and up, the new rule of thumb for partition
> size is *a few hundreds MB*, given the improvement on the architecture.
> Now, I am unable to find the reference (maybe I got it at a Cassandra
> training by DataStax). I would like to share it with my team. Did anyone
> come across this information? If yes, can you please share it?
> Thanks!
Alexander Dejanovski

Apache Cassandra Consulting

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