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From Michael Kjellman <>
Subject Re: Replication factor and performance questions
Date Mon, 05 Nov 2012 17:00:37 GMT
Rule of thumb is to try to keep nodes under 400GB.
Compactions/Repairs/Move operations etc become a nightmare otherwise. How
much data do you expect to have on each node? Also depends on caches,
bloom filters etc

On 11/5/12 8:57 AM, "Oleg Dulin" <> wrote:

>I have 4 nodes at my disposal.
>I can configure them like this:
>1) RF=1, each node has 25% of the data. On random-reads, how big is the
>performance penalty if a node needs to look for data on another replica
>2) RF=2, each node has 50% of the data. Same question ?
>Oleg Dulin
>NYC Java Big Data Engineer

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