Available in VPC
In Monitoring, you can view various metrics for clusters and nodes created in Search Engine Service as graphs, and print or download the graphs.
Note
- The Monitoring feature is provided as part of Search Engine Service at no extra charge.
- By integrating with Cloud Insight, you can monitor a wider range of metrics and receive alerts by configuring Event Rules. For more information, see Monitor with Cloud Insight.
Monitoring interface
The Monitoring menu for using Search Engine Service includes the following:
| Component | Description |
|---|---|
| ① Menu name | Name of the menu currently in use. |
| ② Basic features | Check Search Engine Service details. Refresh page. |
| ③ Cluster | Cluster name and status. |
| ④ Node list | List of nodes in the selected cluster. |
| ⑤ Tab menu | Select the dashboard to view. |
| ⑥ Graph list | Select metrics to view (default: All selected). |
| ⑦ View period | Select a range from the time Period field or enter it manually. |
| ⑧ Graph | Time-based graph of monitoring metrics. |
Available metrics
In Monitoring, you can view metrics related to the Search Engine process and node servers.
SE Dashboard
The following metrics are available for the Search Engine process.
| Metric | Description |
|---|---|
| Search Rate | Total number of search requests per minute |
| Search Latency | Average time to process search requests (ms) |
| Indexing Rate | Total number of indexing tasks per minute |
| Indexing Latency | Average time to process indexing tasks (ms) |
| Node Count | Number of nodes currently in operation |
| Documents Total | Total number of documents |
| Indices Total | Total number of indices |
| Shards Total | Total number of shards |
| Disk Used | Disk usage |
| Process Status | Search Engine process status.
|
| JVM Memory Pressure | Maximum Java heap memory usage (%) |
| JVM GC Young Collection Count | Number of garbage collection executions for the young generation |
| JVM GC Young Collection Time | Time spent performing garbage collection for the young generation (ms) |
| JVM GC Old Collection Count | Number of garbage collection executions for the old generation |
| JVM GC Old Collection Time | Time spent performing garbage collection for the old generation (ms) |
OS Dashboard
The following metrics are available for node servers.
| Metric | Description |
|---|---|
| CPU Usage | CPU usage |
| Load Average | Server load |
| Memory Usage | Memory usage |
| Swap | Swap memory generation |
| Disk Used | Disk usage |
| Disk I/O | Disk input and output throughput |
| Network I/O | NIC generation per second |
| Free Memory | Available memory (Free + Buffer / Cache) |
| Free Storage Space | Free storage space |
Cluster monitoring
To view cluster metrics as graphs and print or download them:
- In the VPC environment on the NAVER Cloud Platform console, navigate to
> Services > Big Data & Analytics > Search Engine Service. - Click the Monitoring menu.
- From the cluster list, select the cluster to view monitoring information.
- Select the metrics to view (default: All selected), and select or manually enter a time range.
- For more information on available metrics, see Available metrics.
- Review the graph.
- Hover over a graph to view exact values.
- Hover over
to display a menu for printing or downloading the graph.
- Print chart: Print the graph.
- Download PNG image: Download the graph as a PNG file.
- Download JPEG image: Download the graph as a JPEG file.
- Download PDF document: Download the graph as a PDF file.
Node monitoring
To view node metrics as graphs and print or download them:
- In the VPC environment on the NAVER Cloud Platform console, navigate to > Services > Big Data & Analytics > Search Engine Service.
- Click the Monitoring menu.
- From the cluster list, select the cluster that contains the node you want to monitor, then click the node.
- Depending on the metrics you want to view, click the [SE Dashboard] tab or the [OS Dashboard] tab.
- Select the metrics to view (default: All selected), and select or manually enter a time range.
- For more information on available metrics, see Available metrics.
- Review the graph.
- Hover over a graph to view exact values.
- Hover over to display a menu for printing or downloading the graph.
- Print chart: Print the graph.
- Download PNG image: Download the graph as a PNG file.
- Download JPEG image: Download the graph as a JPEG file.
- Download PDF document: Download the graph as a PDF file.