v.24.10Performance Improvement

Lock-free Parts Rename Improves SELECT Performance with Parallel INSERT in ReplicatedMergeTree

Lock-free parts rename to avoid INSERT affect SELECT (due to parts lock) (under normal circumstances with fsync_part_directory, QPS of SELECT with INSERT in parallel, increased 2x, under heavy load the effect is even bigger). Note, this only includes ReplicatedMergeTree for now. #64955 (Azat Khuzhin).