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.
|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||MemStore is where the data is stored before being written on the actual disk. MemStoreSize is the size of the memStore.|
|Num Storefiles||The number of storefiles in the region server.|
|StoreFileSize||The size of storefiles in the regions server.|
|Compaction Queue Length||The number of stores in the regions that have been targeted for compaction.|
Click the host in the table to view more details of the region server.