Add shuffle sharding grouper/planner (Clone of PR 4357) #4624
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This is just a workbench to get #4357 merged.
Below is a copy of description from the original PR:
Signed-off-by: Albert [email protected]
What this PR does:
Implements generation of parallelize plans for the proposal outlined in #4272 using a shuffle sharding grouper and planner. Currently the parallelizable plans are generated but every compactor runs every planned compaction, the actual sharding will happen in a subsequent PR.
Which issue(s) this PR fixes:
Fixes #
Checklist
CHANGELOG.md
updated - the order of entries should be[CHANGE]
,[FEATURE]
,[ENHANCEMENT]
,[BUGFIX]