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Pivot needs 6 minutes analysing 240.000 Rows of data

Gerd Tautenhahn asked on September 14, 2021

We load 240.000 rows from SQL Server.
After the query completed on SQL Server side, the browser needs around 6 minutes to analyse 240.000 rows with 25 columns – Int, Money and nvarchar(255) values of compressed around 5 MB.
In my opinion this is much to much time – where could be the problem ? Client PC has 8 GB RAM.

2 answers

Illia Yatsyshyn Illia Yatsyshyn Flexmonster September 15, 2021

Thank you for contacting us.
Please note that 5 MB is the size of the archived data transferred over the network. After unpacking, the data set takes more than 280 MB as demonstrated in the attached screenshot.
We recommend using a direct connection to JSON/CSV when the data set size does not exceed 100-150 MB.
For larger data sets, we recommend using Flexmonster Data Server, which is a middle layer between Flexmonster and your database. It is responsible for fetching data from a data source, processing, and aggregating it. Then the data is passed to Flexmonster Pivot in a ready-to-show format. The Data Server significantly reduces the time of data loading and enables analyzing large datasets.
Moreover, the Data Server supports connection to a Microsoft SQL Server database by default.
Please let us know if it helps.
Feel free to reach out if any additional questions arise.
Kind regards,

Gerd Tautenhahn September 17, 2021

Hello Illia,
thank you, we will try this.

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