Collecting cluster summary diagnostics
The following cluster summary diagnostic tables collect statistics at a cluster-wide level:
-
cluster_snapshot
Per node system metrics.
-
dc_snapshot
Aggregates
node_snapshot
data at the datacenter level. -
node_snapshot
Aggregates
node_snapshot
data for the whole cluster.
Where is the dse.yaml
file?
The location of the dse.yaml
file depends on the type of installation:
Installation Type | Location |
---|---|
Package installations + Installer-Services installations |
|
Tarball installations + Installer-No Services installations |
|
Procedure
To enable collecting cluster summary diagnostics using the DataStax Enterprise Performance Service:
-
Edit the
dse.yaml
file. -
In the
dse.yaml
file, set the enabled option forcluster_summary_stats_options
totrue
.# Cluster summary stats options cluster_summary_stats_options: enabled: true refresh_rate_ms: 10000
-
Optional: To control how often the statistics are refreshed, increase or decrease the
refresh_rate_ms
parameter.The
refresh_rate_ms
specifies the length of the sampling period, that is, the frequency with which this data is updated.