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For how many Data blocks my cluster will support.

New Contributor

Hi team,


on my cloudera hadoop cluster every day 1TB data is loading and it has almost 17,811,802 data blocks. Right now the performance is good. 


I want to know and calculate for how many data blcoks my cluster will be support ? without performance issue.


In one of the Blog i read for 1000000 data blockes 1 GB ram required from name node is it true ? 


we have 18 Node cluster every node in my cluster has 380 GB RAM.



Narendra M