[Backport 2.x] Create concept of persistent ThreadContext headers that are unstashable (#8291)#8507

Merged

reta merged 1 commit intoopensearch-project:2.xfrom cwperks:backport-8291-2.x

Jul 6, 2023

+94-10

Commits on Jul 6, 2023

Create concept of persistent ThreadContext headers that are unstashable (opensearch-project#8291 )
cwperks
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