junegunn commented on PR #8001:
URL: https://github.com/apache/hbase/pull/8001#issuecomment-4151806753

   caed9ba264db7e4e634f892878c0582563dfbfba implements the heuristic with N = 3.
   
   The regression in normal case (no redundant delete markers) is fixed (see 
`HBASE-29039-alt-n3`):
   
   <img width="1152" height="960" alt="image" 
src="https://github.com/user-attachments/assets/95f8aaa8-c810-4ce0-a5f0-3292a3e1c124";
 />
   
   The performance benefit with many redundant delete markers remains:
   
   <img width="1152" height="960" alt="image" 
src="https://github.com/user-attachments/assets/123bdb8f-65a5-4b82-a56a-e3a19801a337";
 />
   
   <img width="1152" height="960" alt="image" 
src="https://github.com/user-attachments/assets/aa0636fe-3dde-48f8-8f8a-0bd25903f2e1";
 />
   


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