optimize the row-position read performance of TsFileDataFrame#794
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ycycse wants to merge 3 commits intoapache:developfrom
Open
optimize the row-position read performance of TsFileDataFrame#794ycycse wants to merge 3 commits intoapache:developfrom
ycycse wants to merge 3 commits intoapache:developfrom
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This PR optimizes Python
TsFileDataFrame/Timeseriesrow-position reads.Before this change, single-series position reads used row-by-row
ResultSet.next()iteration. This PR switches that path to native row-query Arrow batch reads and avoids timestamp materialization when the caller only needs values.TsFile direct reads improve from
143.2to536.2 samples/s, about3.7xfaster after this pr.