Yes The first indices were created manually with 30:1 as index were creating with 10:1 even though template was set at 30:1 . We also verified the index template to be 30:1 but no luck not sure why.
Thank you for the extra_settings option. will give it a try.
testing phase and trying different options, but let me put the details and would appreciate if you can comment/suggest.
18 Data nodes with 2 master with trying to scale for our peak traffic 120mil/hour