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From 张刚 <zhang.i...@gmail.com>
Subject Re: cassandra performance
Date Sun, 24 Mar 2013 12:21:19 GMT
For example,each row represent a job record,it has fields like
"user","site","CPUTime","datasize","JobType"...
The fields in CF is fixed,just like a table.The query like this "select
CPUTime,User,site from CF(or tablename) where user=xxx and Jobtype=xxx"

Best regards


2013/3/24 cem <cayiroglu@gmail.com>

> Hi,
>
> Could you provide some other details about your schema design and queries?
> It is very hard to tell anything.
>
> Regards,
> Cem
>
>
> On Sun, Mar 24, 2013 at 12:40 PM, dong.yajun <dongtalk@gmail.com> wrote:
>
>> Hello,
>>
>>  I'd suggest you to take look at the difference between Nosql and RDMS.
>>
>> Best,
>>
>> On Sun, Mar 24, 2013 at 5:15 PM, 张刚 <zhang.ihep@gmail.com> wrote:
>>
>>> Hello,
>>> I am new to Cassandra.I do some test on a single machine. I install
>>> Cassandra with a binary tarball distribution.
>>> I create a CF to store the data that get from MySQL. The CF has the same
>>> fields as the table in MySQL. So it looks like a table.
>>> I do the same select from the CF in Cassandra and the table in MySQL,and
>>> I find the processing time of MySQL is better than Cassandra.
>>> So,I wander what are the advantages of Cassandra compare MySQL and how
>>> to improve the performance of Cassandra.
>>> Is this the right way to use Cassandra.
>>>
>>>
>>
>>
>> --
>> *Ric Dong*
>>
>>
>

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