The Cassandra Clusters dashboard lists all monitored Cassandra Clusters and contains high-level information on cluster structure, nodes, health status, and key metrics. The workload metric is used for comparing the amount of work a node is doing. Cluster workload averages the workloads of all nodes in that cluster. Selecting a cluster will update the bottom section of the page and display either a topology view of the cluster structure or a list of nodes with relevant information. In the Topology View tab, hovering over an object will show a health summary, while clicking on a node will drill down to the Node Overview page, as will clicking on a node location in the Nodes Table. In the cluster table, clicking the Keyspace or Table column values will drill down to the Cluster Keyspaces and Cluster Tables pages, respectively. Other column values for metrics will show a time plot when hovered or clicked on.
The Cluster Keyspaces page lists all keyspaces in the selected cluster, aggregating metric information across nodes. Selecting a keyspace will update the section below, displaying a summary of that keyspace for each node in the cluster. Clicking the node location in the title of each summary will drill down to the Node Tables page for the selected node, filtering for only tables in that keyspace. In the Keyspace table, selecting the Tables column value will drill down to the Cluster Tables page, again filtering for only tables in that keyspace.
The Cluster Tables page lists tables in the selected cluster, aggregating metric information across nodes. Selecting a table will update the section below, displaying a summary of that table for each node in the cluster. Clicking the node location in the title of each summary will drill down to the Node Table page for the selected table. To filter the list of tables by keyspace, click the Select Keyspaces button at the top left of the table and select one or more keyspaces for which you wish to view tables.
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