How to reduce SQL Dataflow runtime?
Hi,
I was wondering if there are any effecient ways to reduce the MySQL Dataflow runtimes?
Please provide any tips/tricks.
Thanks in advance.
Best Answer
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If you're using transforms in multiple stages, you can create new transforms, without outputs, and create indexes in them, like:
alter table `transform_data_1` add index (`column_name1`,`column_name2`)
Aaron
MajorDomo @ Merit Medical
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Answers
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What have you currently implemented?
The first option is to ensure you're properly indexing your inputs as well as your transforms.
A second option would be to reduce the number of columns your inputs and transforms have.
Aaron
MajorDomo @ Merit Medical
**Say "Thanks" by clicking the heart in the post that helped you.
**Please mark the post that solves your problem by clicking on "Accept as Solution"0 -
I am joining 3 different tables and performing calculations on the 3 columns in the 3 different datasets.
I have indexed columns which are involved in the join.
How to index on the transforms?
0 -
If you're using transforms in multiple stages, you can create new transforms, without outputs, and create indexes in them, like:
alter table `transform_data_1` add index (`column_name1`,`column_name2`)
Aaron
MajorDomo @ Merit Medical
**Say "Thanks" by clicking the heart in the post that helped you.
**Please mark the post that solves your problem by clicking on "Accept as Solution"3
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