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03a54a4c07
when migrating to the uuid-based identifiers, the mapping from the
integer-based generation to the shard-id is preserved. we used to have
"gen % smp_count" for calculating the shard which is responsible to host
a given sstable. despite that this is not a documented behavior, this is
handy when we try to correlate an sstable to a shard, typically when
looking at a performance issue.
in this change, a new subcommand is added to expose the connection
between the sstable and its "owner" shards.
Fixes #16343
Signed-off-by: Kefu Chai <kefu.chai@scylladb.com>
Closes scylladb/scylladb#16345
(cherry picked from commit 273ee36bee)