Thanks Xu, you are back again:-)

Best Regards!
---------------------

Luke Han

2015-02-09 23:25 GMT+08:00 蒋旭 <[email protected]>:

> Hi Guys,
>
> I write a simple proposal of real time support in kylin as below. Please
> help to review!
>
>
> 1. Kafka + storm will build inverted index in memory.  These index will be
> inserted into hbase by batch (e.g. every 5 minutes).
>
>
> 2. The inverted index in hbase will keep the short term data (e.g. 7
> days). These index will be converted into data cube by batch (e.g. every 7
> day).
>
>
> 3. The data cube in hbase will keep the long term data.
>
>
> 4. Query engine will decide to use inverted index or data cube in hbase by
> time range. In future, the query engine can also use the in-memory inverted
> index in storm that can reduce the data latency from minutes to seconds.
>
>
> Thanks
> Jiang Xu

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