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doris/fe
ElvinWei 4bd5d4f163 [feature-wip](statistics) step3: schedule the statistics tasks and update relevant info (#8860)
This pull request includes some implementations of the statistics(https://github.com/apache/incubator-doris/issues/6370), it will not affect any existing code and users will not be able to create statistics job.

After receiving the statistics statement and dividing the collection task, here we will start implementing the scheduling statistics task and updating the job information. Mainly include the following:
- Create a thread pool to schedule a certain number of tasks, and the number of concurrency is related to the configuration `cbo_concurrency_statistics_task_num`.
- After the task is completed, update the information of of the statistics Job.
2022-05-01 11:34:08 +08:00
..

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# fe-common

This module is used to store some common classes of other modules.

# spark-dpp

This module is Spark DPP program, used for Spark Load function.
Depends: fe-common

# fe-core

This module is the main process module of FE.
Depends: fe-common, spark-dpp