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From Hannu Kröger <hkro...@gmail.com>
Subject Re: Help on Cassandra Limitaions
Date Fri, 06 Sep 2013 07:04:47 GMT
Hi,

Well, that was a word to word quotation. :)

Anyways, I think what you just said is a better explanation than those two
previous ones. I hope it ends up on the wiki page because what it says
there now is causing confusion, no matter how correct it technically is :)

Cheers,
Hannu


2013/9/6 Sylvain Lebresne <sylvain@datastax.com>

> Well, I don't know if that's what Patrick replied but that's not correct.
> The wording *is* correct, though it does uses CQL3 terms.
> For CQL3, the term "partition" is used to describe all the (CQL) rows that
> share the same partition key (If you don't know what the latter is:
> http://cassandra.apache.org/doc/cql3/CQL.html).
> So it says that all the rows sharing a particular partition key multiplied
> by their number of effective columns is capped at 2 billions.
>
> In the thrift terminology, this means a 'thrift row' (not to be confused
> with a CQL3 row) cannot have more that 2 billions thrift columns'.
>
> --
> Sylvain
>
>
> On Fri, Sep 6, 2013 at 7:55 AM, Hannu Kröger <hkroger@gmail.com> wrote:
>
>> I asked the same thing earlier and this is what patrick mcfadin replied:
>> "It's not worded well. Essentially it's saying there is a 2B limit on a
>> row. It should be worded a 'CQL row'"
>>
>> I hope helps.
>>
>> Cheers,
>> Hannu
>>
>> On 6.9.2013, at 8.20, J Ramesh Kumar <rameshj1977@gmail.com> wrote:
>>
>> Hi,
>>
>> http://wiki.apache.org/cassandra/CassandraLimitations
>>
>> In the above link, I found the below limitation,
>>
>> "The maximum number of cells (rows x columns) in a single partition is 2
>> billion.".
>>
>> Here what does "partition" mean ? Is it node (or) column family (or)
>> anything else ?
>>
>> Thanks,
>> Ramesh
>>
>>
>

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