Clusters

Clusters describe the physical resources upon which Upsolver runs. In Upsolver, you can create compute and query clusters.

Cluster commands

• CREATE CLUSTER

• ALTER CLUSTER

• ROLL CLUSTER

• STOP/START CLUSTER

• DROP CLUSTER

Cluster statuses

A cluster can be in one of the following statues:

Status	Description
Running	The cluster is running without issues.
Stopped	The cluster has been stopped. All entities configured to run on the cluster are impacted. Note that pausing the cluster for a period longer than the source retention period can lead to data loss.
Warnings	You will see a warning if your cluster meets one of the following conditions: The cluster’s utilization percent is above 70%. The cluster crashed at least once within the last 12 hours. The percentage of reload from disk is greater than 30%.
Critical	You will see a critical warning if your cluster meets one of the following conditions: The cluster’s utilization percent is above 90%. The cluster crashed more than 3 times within the last half an hour. The percentage of reload from disk is greater than 200%. The cluster’s memory load index (%garbage collection) is over 10%.