Agree. Spark is not designed for embedding in business applications(those
traditional J2EE) for real-time interaction.
Thanks,
Gabriel
On Fri, Nov 2, 2018 at 2:36 PM 张万新 <kevinzwx1...@gmail.com> wrote:
> I think you should investigate apache zeppelin and livy
> 崔苗(数据与人工智能产品开发部) <0049003...@znv.com>于2018年11月2日 周五11:01写道：
>
>>
>> Hi，
>> we want to execute spark code with out submit application.jar,like this
>> code:
>>
>> public static void main(String args[]) throws Exception{
>> SparkSession spark = SparkSession
>> .builder()
>> .master("local[*]")
>> .appName("spark test")
>> .getOrCreate();
>>
>> Dataset<Row> testData =
>> spark.read().csv(".\\src\\main\\java\\Resources\\no_schema_iris.scv");
>> testData.printSchema();
>> testData.show();
>> }
>>
>> the above code can work well with idea , do not need to generate jar file
>> and submit , but if we replace master("local[*]") with master("yarn") ,
>> it can't work , so is there a way to use cluster sparkSession like local
>> sparkSession ? we need to dynamically execute spark code in web server
>> according to the different request , such as filter request will call
>> dataset.filter() , so there is no application.jar to submit .
>>
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