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From ShaoFeng Shi <shaofeng...@apache.org>
Subject Re: HBase table schema for cube data
Date Sat, 11 Aug 2018 00:24:45 GMT
Sure, looking forward to your PoC result. Thank you Ashish!

2018-08-08 17:08 GMT+08:00 Ashish Singhi <ashishsinghi@apache.org>:

> Hi Shaofeng,
>
> Yes, we are able to setup Kylin and build cubes.
> We are are doing a PoC, so still exploring things on it. Once we have
> concluded it, I will definitely share the use case here.
>
> Thanks,
> Ashish
>
> On Wed, Aug 8, 2018 at 2:33 PM, ShaoFeng Shi <shaofengshi@apache.org>
> wrote:
>
>> Hi Ashish,
>>
>> 'GT' here stands for "GridTable", which is an abstract for Kylin's
>> storage layer;
>>
>> Yeah, the slides will be shared after the event. We may also update some
>> content to Kylin's documentation.
>>
>> Were you able to run Kylin successfully at your side? What's the scenario
>> that you hope Kylin can help? We'd like to get feedback from you, in a
>> technical or business perspectives. Thanks!
>>
>>
>> 2018-08-07 23:25 GMT+08:00 Ashish Singhi <ashish.singhi.apache@gmail.com>
>> :
>>
>>> Hi Shaofeng,
>>>
>>> Thanks for the reply.
>>> I understand it now.
>>>
>>> I see a lot of 'GT' in class name, curious to know what it stands for ?
>>>
>>> Good luck for your presentation. Unfortunately, I will not be able to
>>> make it this time.
>>> I hope your slides will uploaded somewhere from where we can refer it.
>>>
>>> Regards,
>>> Ashish
>>>
>>>
>>>
>>> On Tue, Aug 7, 2018 at 2:38 PM, ShaoFeng Shi <shaofengshi@apache.org>
>>> wrote:
>>>
>>>> Hi Ashish,
>>>>
>>>> I'm preparing a slide for HBase Conference Asia 2018 next week. Here
>>>> are some bullets for it:
>>>>
>>>>
>>>>    - Dimension values are encoded to bytes (via dictionary or others)
>>>>    - Measures are serialized into bytes
>>>>    - HBase Rowkey format: Shard ID (2 bytes) + Cuboid ID (8 bytes) +
>>>>    Dimension values
>>>>    - HBase Value: measure serialized bytes
>>>>    - The HBase table is split into regions by Shard ID
>>>>
>>>>
>>>> You can refer to org.apache.kylin.cube.kv.RowKeyEncoder;
>>>>
>>>> 2018-08-06 23:49 GMT+08:00 Ashish Singhi <ashishsinghi@apache.org>:
>>>>
>>>>> Hi Team,
>>>>>
>>>>> Is there any blog or some one can tell me what is HBase schema of the
>>>>> table in which cube data is stored ?
>>>>> If you can point me to class also where the HBase rowkey and column
>>>>> value is formed will also be helpful.
>>>>>
>>>>> Thanks,
>>>>> Ashish
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Best regards,
>>>>
>>>> Shaofeng Shi 史少锋
>>>>
>>>>
>>>
>>
>>
>> --
>> Best regards,
>>
>> Shaofeng Shi 史少锋
>>
>>
>


-- 
Best regards,

Shaofeng Shi 史少锋

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