is there any script that I can run to get the best possible parameters for my environment
You can download configuration scripts which will provide you recommended settings based on the number of cores and memory of your servers. Download Companion Files
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@Syed Naqvi run this http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.3.4/bk_installing_manually_book/content/determin... for HDP and administration directory in my repo has a lot of handy utilities for preparing your nodes https://github.com/dbist/scripts
You must install smartsense if you are supported customer.
Must watch this video
@Neeraj no I am not a supported customer but I remember there was some sort of a script that could be run on the cluster to get the recommendations.
@Syed Naqvi With the combination of SmartSense...I have use this https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.3.0/bk_installing_manually_book/content/determi...
But you cannot reply on this completely. 90% of the times, I had to make extra tweaks based on the cluster use case.