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From ShaoFeng Shi <shaofeng...@apache.org>
Subject Re: HBase table schema for cube data
Date Tue, 21 Aug 2018 01:18:47 GMT
Hi Ashish,

The slide is shared here, just FYI:

https://www.slideshare.net/ShiShaoFeng1/apache-kylin-on-hbase-extreme-olap-engine-for-big-data

2018-08-11 8:24 GMT+08:00 ShaoFeng Shi <shaofengshi@apache.org>:

> 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
>
>


-- 
Best regards,

Shaofeng Shi 史少锋

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