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ESF blocks the UI while opening when record count is ~1mil #15496

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ChronosSF opened this issue Mar 11, 2025 · 0 comments
Open

ESF blocks the UI while opening when record count is ~1mil #15496

ChronosSF opened this issue Mar 11, 2025 · 0 comments
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@ChronosSF
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🔥 severity: high grid: excel-style-filtering grid: performance 🏃 priority: high

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ChronosSF commented Mar 11, 2025 •
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Description

Opening the dropdown for big grids can take a lot of time and the page becomes unresponsive.

  • igniteui-angular version: latest
  • browser: any

Steps to reproduce

  1. Open the attached sample showing a grid with 1 mil records
  2. Try to open the ESF dropdown for the date column

Result

The execution of the ESF distinct is slow but more importantly blocks the UI thread making the page unresponsive.

Expected result

As part of the item we should do two things

  • search and resolve potential perf issues in populating the UI
  • make the data population not block the ui thread (use a loading indicator or something similar)

Attachments

angular-19-grid-comaprisson.zip
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🔥 severity: high grid: excel-style-filtering grid: performance 🏃 priority: high
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