HBase Regions
The HBase Region Server provides you with a table describing the basic statistics of the existing Region Servers in a cluster.
The statistics displayed are from the last 24 hours by default. To view statistics from a custom date range, click the Timeframe icon in the top-right corner of the page and select the required time frame and timezone.
The following table describes the metrics of a region server in HBase:
| Metrics | Description |
|---|---|
| Status | A in the Status column indicates that the region server is up and running. |
| Host | The name of the host region server. |
| Num Regions | The number of regions in the region server. |
| Req Per Sec | The number of requests sent to the region server every second. |
| Read Req Per Sec | The number of read requests sent to the region server every second. |
| Write Req Per Sec | The number of write requests sent to the region server every second. |
| Memstore Size | The size of the memory store in the region server. |
| Num. Store files | The number of store files in the region server. |
| Store File Size | The size of store files in the regions server. |
| Compaction Queue Length | The number of stores in the regions that have been targeted for compaction. |
| Size of Log Queue | The capacity of the Log Queue in the region server |
| Shipped Opps | The number of operations that were shipped. |
| Num. Log Edits Read | The number of log edits that were read. |
| Age of last shipped Opps | The elapsed time since the operation's most recent shipment. |
Click the host in the table to view more details of the HBase Region Server Details page.
Applying Filter
You can apply a filter to the name of the host. To apply the filter, perform the following:
- Click Host, drop-down list is displayed with the list of hosts.
- Select the host from the list. The details for the selected host are displayed.
- (Optional) You can search for the name of the host using the search box in the drop-down list.
- (Optional) Click Reset to clear the applied filter.
Search Option
Perform the following steps to search for a record in the search bar.
- Select a search parameter. Pulse provides you multiple search parameters.
- Select a suitable operator for your parameter.
- Enter the search term and hit the enter key.
For String Data type fields, you can use the =~ operator. This operator allows you to search strings by entering partial string. You can also use regular expressions to search a required value.
