shangxinli commented on PR #19080:
URL: https://github.com/apache/hudi/pull/19080#issuecomment-4833574220

   Thanks @yihua — #19071 and #19083 cover the generic HBase-reader → native 
multi-block path (point lookup, `seekBefore`, full scan, byte-parity, 
NONE+GZIP), which is the bulk of what this PR was originally guarding.
   
   The piece still not covered there: those tests exercise a single generic 
multi-block file. MDT writes files with five distinct key/value sizing profiles 
(`FILES`, `COLUMN_STATS`, `RECORD_INDEX`, `SECONDARY_INDEX`, `BLOOM_FILTERS`) 
and the trailer index layout is per-file based on actual key/value sizes — a 
future writer change that only perturbs one shape's sizing would slip past the 
generic tests.
   
   I've rescoped this PR to just that parameterized MDT-shape sweep, stacked on 
#19083. Happy to fold it into #19083 directly if you'd rather, just say the 
word and I'll close this and send a patch there.


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