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From Jeffrey Kesselman <jef...@gmail.com>
Subject Re: Cassandra Vs. Oracle Coherence
Date Fri, 20 May 2011 15:22:38 GMT
AH, I stand corrected.  Hard to follow Larry's acquisitions without a scorecard.

On 5/20/11, Peter Lin <woolfel@gmail.com> wrote:
> That's completely wrong.
>
> TimesTen and Coherence are 2 separate products sold by Oracle.
> Coherence is a data grid that takes a key/value approach. It is
> massively scalable across LAN and WAN.
>
> In terms of comparing Cassandra and Coherence, I wouldn't. Coherence
> is a data grid and most often used as a fault tolerant distributed
> cache, though it does a lot more than that. Oracle bought Tangosol a
> few years back.
>
> On Fri, May 20, 2011 at 4:23 AM, Jeffrey Kesselman <jeffpk@gmail.com> wrote:
>> I believe coherence is their name for the TimesTen technology they bought.
>>
>> TT is an in memory SQL database that can  run as a cache for Oracle.
>>
>> Its totally different from Cassandra.   On the one hand it supports
>> trad SQL whereas Cassandra does not.  On the other hand Cassandra is
>> truly distributed and fault tolerant, whereas TT is not.
>>
>> I suggest getting and reading the Oriely Cassandra book.
>>
>> JK
>>
>> On Tue, May 17, 2011 at 10:44 PM, Karamel, Raghu
>> <Raghu_Karamel@intuit.com> wrote:
>>> Hi,
>>>
>>>
>>>
>>> I am new to Cassandra and very excited with the technology. I am
>>> evaluating
>>> it and trying to understand the difference between Cassandra and Oracle
>>> Coherence. Precisely , looking for reasons why would some select
>>> Cassandra
>>> over Oracle Coherence. Does anyone did the exercise of comparing them?
>>> Appreciate if you can share some information on that.
>>>
>>>
>>>
>>> Regrads
>>>
>>> -RK
>>
>>
>>
>> --
>> It's always darkest just before you are eaten by a grue.
>>
>


-- 
It's always darkest just before you are eaten by a grue.

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