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From Aaron Morton <aa...@thelastpickle.com>
Subject Re: choose which Hector's serializer for Cassandra performance?
Date Wed, 13 Apr 2011 19:15:41 GMT
1. Yes
2. Client
3. NA
4. Not sure how Hector handles it, try https://github.com/zznate/cassandra-tutorial or https://github.com/zznate/hector-examples

Aaron

On 14/04/2011, at 1:28 AM, 박용욱 <colin.wook.park@gmail.com> wrote:

> I have questions below.
> 
> 1. In cassandra server, row key, column name and column value are saved in byte[], aren't
they?
> 
> 2. If I call hector's mutator.addInsertion(rowKey, cfName, HColumn<String, Integer>),
does the transformation from String/Integer to byte[] occur at client? or server?
> 
> 3. If 2 occurs at server, then which Type should I use with HColumn<Type, Type>
to get the most performance of cassandra? client performance is out of concerns.
> 
> 
> 4. with RF 3 and random partitioner, does read iterations(paging) with range query work
well? I mean whether row-keys order changes over iterations or not? (CL is QUORUM)
> 
> Sencerely.
> Colin.

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