hello
I am googling almost 5 hrs and cant find information about how to change default number of shards (which is 5) clusterwide
I know how to set number of shards during index creation or using template or set the number for templates but I need set default number for whole cluster
in old versions I was able control default number of shards and replicas from yml config file but now I cant
and I cant find any information about that
could you help
thnx
You can create an index template which applies to all indices.
thank you for reply
so it's impossible to change the default number which is 5 
It is. With an index template.
2.x can configure in elasticsearch.yml file
5.x as i know only create with the index template.