Database Reference
In-Depth Information
Table 10-3. Important YARN daemon properties
Property name
Type
Default value
Description
Hostname
0.0.0.0
The hostname of the ma-
chine the resource manager
runs on. Abbreviated
${y.rm.hostname}
be-
low.
yarn.resourcemanager.hostname
Hostname
and port
${y.rm.hostname}:8032
The hostname and port that
the resource manager's
RPC server runs on.
yarn.resourcemanager.address
Comma-
separated
directory
names
A list of directories where
node managers allow con-
tainers to store intermediate
data. The data is cleared out
when the application ends.
yarn.nodemanager.local-dirs
${hadoop.tmp.dir}/nm-
local-dir
Comma-
separated
service
names
A list of auxiliary services
run by the node manager. A
service is implemented by
the class defined by the
property
yarn.nodemanager.aux-
services.
service-
name
.class
. By default, no
auxiliary services are speci-
fied.
yarn.nodemanager.aux-services
8192
The amount of physical
memory (in MB) that may
be allocated to containers
being run by the node man-
ager.
yarn.nodemanager.resource.memory-
mb
int
2.1
The ratio of virtual to phys-
ical memory for containers.
Virtual memory usage may
exceed the allocation by
this amount.
yarn.nodemanager.vmem-pmem-ratio float
8
The number of CPU cores
that may be allocated to
containers being run by the
node manager.
yarn.nodemanager.resource.cpu-
vcores
int
