Commits on Feb 22, 2024

1. kvserver: refresh range cache on rangefeed barrier failure …

   The DistSender does not refresh its range cache for unsplittable
   requests. This could cause a rangefeed transaction pusher barrier
   request to persistently fail following a range merge if the range cache
   thought the barrier spanned multiple ranges. This would only resolve
   once the range cache was refreshed by some other request, which might
   never happen. This in turn would cause the rangefeed's resolved
   timestamp to stall.
   
   Epic: none
   Release note (bug fix): fixed a bug where rangefeed resolved timestamps
   could get stuck, continually emitting the log message "pushing old
   intents failed: range barrier failed, range split", typically following
   a range merge. This bug was introduced in v23.1.15.

   

   erikgrinaker committed Feb 22, 2024
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