[GitHub] [spark] lu-wang-dl opened a new pull request #24705: [SPARK-22340][PYTHON] Save localProperties in thread.local

[GitBox <gi...@apache.org>]

lu-wang-dl opened a new pull request #24705: [SPARK-22340][PYTHON] Save localProperties in thread.local
URL: https://github.com/apache/spark/pull/24705
 
 
   ## What changes were proposed in this pull request?
   
   - Add `threading.local()` in `SparkContext`
   - Save the value to thread local variables when calling `setLocalProperty`, `setJobGroup`,  and `setJobDescription`
   - Add new API `getLocalProperties`
   - Send local properties to jvm side when calling `collect`
   - On jvm side `setLocalProperty` in `collectAndServe`
   
   ## How was this patch tested?
   
   Add one unit test in test_rdd.py
   
   Please review https://spark.apache.org/contributing.html before opening a pull request.
   

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