Commits on Jul 14, 2023

1. cluster-ui: skip undefined regions on database pages …

   This patch skips `undefined` regions on the databases pages. The
   `undefined` behaviour occurs when we try to match a database's node IDs
   (i.e. the nodes with ranges that contain data belong to one of the
   database's tables) from the database details endpoint, to nodes' region
   information from the nodes endpoint.
   
   The nodes endpoint is authoritative and is refreshed at a regular
   interval. However, the database details endpoint is only fetched once on
   page load, and it's node information comes from a cache, leading to the
   potential of stale data (this information is authoritative in 23.1, but
   not in 22.2).
   
   Consequently when trying to match cached node IDs with recent node
   regions information, we can come across behaviour where we try to get
   region information for a node ID that is no longer valid (i.e. in the
   case of a decommissioned node), resulting in `undefined` and surfacing
   outdated node information.
   
   This change ensures that when we encounter such occurrences, we avoid
   displaying them in the console.
   
   Release note (bug fix): Avoid displaying `undefined` regions on the
   databases pages.

   

   THardy98 committed Jul 14, 2023
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