Couchbase
Use the following procedure for monitoring the Couchbase database.
- Navigate to Database monitoring on the left pane.
- Select Couchbase from the Select database drop-down list.
- Select the cluster from the Select cluster drop-down list.
The following screen appears along with the various available tabs.
Cluster Overview
The Cluster Overview tab is selected by default. The following widgets are displayed.
| Widget Name | Description |
|---|---|
| Cluster CPU usage | CPU utilization of cluster |
| Cluster RAM usage | Memory utilization of cluster |
| Disk usage | Disk usage of cluster |
Node
Clicking the Node tab displays the following widgets.
| Widget Name | Description |
|---|---|
| CPU usage | CPU utilization of node |
| RAM usage | Memory utilization of node |
| Disk usage | Disk usage of cluster node |
| Swap memory | Amount of swap space used |
| Node operations | Includes ops, number of hits and cmd get |
| Current items | Number of current items at node level |
| Node replica | Number of node replicas |
| Docs data size | |
| MCD memory | The allocated MCD memory |
Queries
Clicking the Queries tab displays the following widgets.
| Widget Name | Description |
|---|---|
| Requests | Number of request per node |
| Request time distribution | Request mean, median, 95 percentile, and 99 percentile |
| Request thread count | Number of request thread counts |
| GC count | Garbage collection count |
Select the threshold from the Query threshold drop-down list.
The following screen is displayed with the query details.
note
You can download the report in PDF format by clicking Download report.
Bucket
Enter the name of a bucket in the Search bucket drop-down list. The following widgets are displayed.
| Widget Name | Description |
|---|---|
| Bucket ops | Bucket operations |
| Disk used | Bucket disk used |
| Mem used | Bucket memory used |
| Current items | Bucket current items |