Open XinShuoWang opened 2 months ago
Thank you for reporting, @XinShuoWang . we noted the issue and trying to fix. We plan to rewrite the logic.
Thank you for reporting, @XinShuoWang . we noted the issue and trying to fix. We plan to rewrite the logic.
any design doc?
any design doc?
Will write one, stay tune
Description
I tested the sort based shuffle function and found through the perf tool that the largest CPU consumption is in the serialize part. Do you have any plans to write a custom serializer instead of using
PrestoVectorSerde
directly to optimize performance? Or are there any other optimization possibilities?