refactor(pageserver): make partitioning an ArcSwap #10377
Merged
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Problem
gc-compaction needs the partitioning data to decide the job split. This refactor allows concurrent access/computing the partitioning.
Summary of changes
Make
partitioning
an ArcSwap so that others can access the partitioning while we compute it. Fully eliminate therepartition is called concurrently
warning when gc-compaction is going on.