h2o_init_multinode: Starts an h2o cluster on multiple nodes

In ck37/ckTools: Chris Kennedy's R Toolkit

Starts an h2o cluster on multiple nodes

Description

Can be used on a SLURM system or any cluster where h2o can take advantage of multiple computers.

Usage

h2o_init_multinode(
  h2o_jar,
  node_list = Sys.getenv("SLURM_NODELIST"),
  memory_per_node = "8g",
  cluster_name = "h2o_r",
  verbose = T,
  ...
)

Arguments

h2o_jar	Path to h2o.jar, e.g. "~/software/h2o-latest/h2o.jar"
node_list	Comma-separated list of nodes to use, defaults to the value of SLURM_NODELIST. Assumed to be hostnames, not IPs.
memory_per_node	Memory per node. Default 8g.
cluster_name	Name of the h2o cluster. Default "h2o_r".
verbose	If T display extra information during execution.
...	Remaining arguments passed to h2o.init()

Examples

## Not run: 
cl = h2o_init_multinode("~/software/h2o-latest/h2o.jar")

h2o.shutdown()

## End(Not run)

ck37/ckTools documentation built on April 29, 2023, 11:47 p.m.