HBase - Home
Metrics to see the overall status for the HBase cluster.
| Row | Metrics |
Description |
|---|---|---|
|
REGIONSERVERS / REGIONS |
Num RegionServers | Total number of RegionServers in the cluster. |
|
Num Dead RegionServers | Total number of RegionServers that are dead in the cluster. | |
|
Num Regions | Total number of regions in the cluster. | |
|
Avg Num Regions per RegionServer | Average number of regions per RegionServer. | |
|
NUM REGIONS/STORES |
Num Regions / Stores - Total | Total number of regions and stores (column families) in the cluster. |
|
Store File Size / Count - Total | Total data file size and number of store files. | |
|
NUM REQUESTS |
Num Requests - Total | Total number of requests (read, write and RPCs) in the cluster. |
|
Num Request - Breakdown - Total | Total number of get,put,mutate,etc requests in the cluster. | |
|
REGIONSERVER MEMORY |
RegionServer Memory - Average |
Average used, max or committed on-heap and offheap memory for RegionServers. |
|
RegionServer Offheap Memory - Average |
Average used, free or committed on-heap and offheap memory for RegionServers. | |
|
MEMORY - MEMSTORE BLOCKCACHE |
Memstore - BlockCache - Average | Average blockcache and memstore sizes for RegionServers. |
|
Num Blocks in BlockCache - Total |
Total number of (hfile) blocks in the blockcaches across all RegionServers. | |
|
BLOCKCACHE |
BlockCache Hit/Miss/s Total |
Total number of blockcache hits misses and evictions across all RegionServers. |
|
BlockCache Hit Percent - Average |
Average blockcache hit percentage across all RegionServers. | |
|
OPERATION LATENCIES - GET/MUTATE |
Get Latencies - Average |
Average min, median, max, 75th, 95th, 99th percentile latencies for Get operation across all RegionServers. |
|
Mutate Latencies - Average |
Average min, median, max, 75th, 95th, 99th percentile latencies for Mutate operation across all RegionServers. | |
|
OPERATION LATENCIES - DELETE/INCREMENT |
Delete Latencies - Average |
Average min, median, max, 75th, 95th, 99th percentile latencies for Delete operation across all RegionServers. |
|
Increment Latencies - Average |
Average min, median, max, 75th, 95th, 99th percentile latencies for Increment operation across all RegionServers. | |
|
OPERATION LATENCIES - APPEND/REPLAY |
Append Latencies - Average |
Average min, median, max, 75th, 95th, 99th percentile latencies for Append operation across all RegionServers. |
|
Replay Latencies - Average |
Average min, median, max, 75th, 95th, 99th percentile latencies for Replay operation across all RegionServers. | |
|
REGIONSERVER RPC |
RegionServer RPC -Average | Average number of RPCs, active handler threads and open connections across all RegionServers. |
|
RegionServer RPC Queues - Average |
Average number of calls in different RPC scheduling queues and the size of all requests in the RPC queue across all RegionServers. | |
|
REGIONSERVER RPC |
RegionServer RPC Throughput - Average | Average sent and received bytes from the RPC across all RegionServers. |