The sizes below are shown as examples. Actual sizes on the system may vary.
$
du -sh *
14G Cray Urika GX
1.5G CrayUrikaGXHadoop
906M CrayUrikaGXSpark
21M _internal
#
4. Connect to InfluxDB to view the current data retention policy.
#
/bin/influx
Visit https://enterprise.influxdata.com to register for updates, InfluxDB
server management, and monitoring.
Connected to http://localhost:8086 version 0.12.2
InfluxDB shell 0.12.2
> show retention policies on "Cray Urika GX"
name duration shardGroupDuration replicaN default
default 0 168h0m0s 1 true
5. Update the data retention policy according to requirements.
In this example the data retention duration is changed from 0 (forever) to 2 weeks (504 hours).
> alter retention policy default on "Cray Urika GX" Duration 2w
> show retention policies on "Cray Urika GX"
name duration shardGroupDuration replicaN default
default 504h0m0s 24h0m0s 1 true
> exit
The change will take a while to be applied. The default is 30 minutes.
6. Verify that the data retention change has taken effect
#
du -sh *
3G Cray Urika GX
1.5G CrayUrikaGXHadoop
906M CrayUrikaGXSpark
21M _internal
3.14 Service to Node Mapping
The list of services available for use depends on the security mode the system is running under. For more
information, refer to
on page 177.
Table 9. Urika-GX Service to Node Mapping (2 Sub-rack System)
Node ID(s)
Service(s) Running on Node /Role of Node
nid00000
●
ZooKeeper
●
ncmd
●
Mesos Master
●
Marathon
System Management
S3016
55
