LantaoJin opened a new pull request #24984: [SPARK-28183][CORE][UI] Add a task 
status filter for taskList in REST API
URL: https://github.com/apache/spark/pull/24984
 
 
   ## What changes were proposed in this pull request?
   
   We have a scenario that our application needs to query failed tasks by REST 
API `/applications/[app-id]/stages/[stage-id]/[stage-attempt-id]/taskList` when 
Spark job is running. In a large Stage, it may filter out dozens of failed 
tasks from hundred thousands total tasks. It consumes much unnecessary memory 
and time both in Spark and App side.
   
   This PR requires #24982 as pre-work. Filter should be handled before 
pagination.
   
   ## How was this patch tested?
   
   Manually test.
   

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