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Fix performance degradation with line protocol #592
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Assemble line by line in the commit bf232a7 to remove NaN has significant performance impact. This change fixes the issue by keeping the NaN fields before stringify the dataframe, replacing the fields with empty string, and reverting back to use pd.DataFrame.sum() function to yield the lines. Fixes: influxdata#591
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Unfortunately v5.1.0 has just been released with the performance regression vs v5.0 as addressed here. @xginn8 Could you please kindly take a look at this PR? |
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I'll wait for his input since he has been leading the data frame client but I will take a look if he does not respond. Thanks for contributing and sorry for the wait :) |
xginn8
approved these changes
Jun 30, 2018
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Assembling line by line in the commit bf232a7 to remove NaN has
significant performance impact.
This change fixes the issue by keeping the NaN fields before stringify
the dataframe, replacing the fields with empty string, and reverting
back to use pd.DataFrame.sum() function to yield the lines.
Fixes: #591