mymeiyi opened a new pull request, #68100:
URL: https://github.com/apache/doris/pull/68100

   Problem Summary: Retrying a paginated delete bitmap read after TXN_TOO_OLD 
could return truncated or mixed data if aggregation replaced the bitmap 
concurrently.
   Restart only the unfinished bitmap and preserve completed results and byte 
counts.
   Allow three retries per bitmap, resetting the budget only when reading 
advances to another bitmap.


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