Harden search context id (#53143) #53401
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Using a Long alone is not strong enough for the id of search contexts because we reset the id generator whenever a data node is restarted. This can lead to two issues: 1. Fetch phase can fetch documents from another index 2. A scroll search can return documents from another index This commit avoids these issues by adding a UUID to SearchContexId.
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Using a Long alone is not strong enough for the id of search contexts
because we reset the id generator whenever a data node is restarted.
This can lead to two issues:
This commit avoids these issues by adding a UUID to SearchContexId.
Backport of #53143