make alp-rd dicts deterministic on equal frequency entries - #9032
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onursatici wants to merge 1 commit into
Open
make alp-rd dicts deterministic on equal frequency entries#9032onursatici wants to merge 1 commit into
onursatici wants to merge 1 commit into
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Signed-off-by: Onur Satici <onur@spiraldb.com>
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Rationale for this change
If the alp-rd dictionary ends up with entries with the same frequency, serialised array might differ depending on the hashmap order, hence creating different vortex files byte by byte for the same data.
What changes are included in this PR?
break ties on the dictionary by looking at the high bits