Elasticsearch Heapsize query

Elastic Stack Elasticsearch
1

HI Team,

Can we configure heap size morethan 50 % of RAM Size.If we have 64 GB RAM can we configure >32 GB say 48 GB .?

Regards,
Vivek

2

It's not recommended.
Also going above 30gb is a waste of resources as the jvm will use 64bits memory pointers instead of 32bits.

Why would you like to do this?

3

HI David,

Thanks for support.To address my issue posted in the following topic.Here we are running huge queries and aggregations .

Regards,
Vivek