While loading Huge amount of Data in table use ngFor , web application is freezed

Question

I have Load Huge(1000 above) data in table used ngFor , while loading time web Apllication is freezed

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1.I have try trackBy function in ngFor. But it's not work.

2.cdk-virtual-scroll-viewport this is repeated same data's while scroll to see that much of data not work

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