Metric Type
Display Name

Kind, Type, Unit

Description

Labels

Additions

/ipc/connections
IPC connections

GAUGE, DOUBLE, Connections

The number of open connections.

/ipc/queue_length
IPC queue size

GAUGE, DOUBLE, By

The current size of the IPC queue.

/ipc/traffic_count
IPC traffic

CUMULATIVE, INT64, By

The number of bytes transmitted and received via IPC.

direction: Data direction, rx or tx.

/master/average_load
Load

GAUGE, DOUBLE, n/a

The average master load.

/master/dead_region_servers
Dead region servers

GAUGE, DOUBLE, n/a

The number of dead region servers.

/master/live_region_servers
Live region servers

GAUGE, DOUBLE, n/a

The number of live region servers.

/regionserver/block_cache/access_count
Block cache accesses

CUMULATIVE, INT64, n/a

The number of blocks of StoreFiles (HFiles) requested from the cache.

kind: The cache access kind.

/regionserver/block_cache/evicted_blocks_count
Evicted block count

CUMULATIVE, INT64, Blocks

The number of blocks that had to be evicted from the block cache due to heap size constraints.

/regionserver/block_cache/hit_ratio_percent
Block cache hit ratio

GAUGE, DOUBLE, %

The running block cache hit ratio (0 to 100).

/regionserver/block_cache/memory
Block cache size

GAUGE, DOUBLE, By

Memory usage by the block cache.

usage_kind: The cache access kind.

/regionserver/block_cache/num_items
Block count

GAUGE, DOUBLE, Blocks

The number of blocks of StoreFiles (HFiles) in the cache.

/regionserver/call_queue/length
Call queue size

GAUGE, DOUBLE, By

The length of the call queue.

/regionserver/compaction_queue/length
Compaction queue size

GAUGE, DOUBLE, n/a

The length of the compaction queue (the number of stores that have been targeted for compaction).

/regionserver/flush_queue/length
Flush queue size

GAUGE, DOUBLE, n/a

The number of enqueued regions in the MemStore awaiting flush.

/regionserver/memory/heap_usage
Heap usage

GAUGE, DOUBLE, By

Heap space used by the regionserver.

/regionserver/memstore/files
Memstore files

GAUGE, DOUBLE, n/a

The number of store files on the regionserver.

/regionserver/memstore/index_size
Memstore index size

GAUGE, DOUBLE, By

The size of the store file index on the regionserver.

/regionserver/memstore/open_stores
Memstore open stores

GAUGE, DOUBLE, n/a

The number of stores open on the regionserver.

/regionserver/memstore/size
Memstore size

GAUGE, DOUBLE, By

The sum of all the memstore sizes in the regionserver.

/regionserver/online_regions
Online regions

GAUGE, DOUBLE, n/a

The number of active regions in the regionserver.

/regionserver/request_count
Request count

CUMULATIVE, INT64, Requests

The number of requests.

request_type: The type of request.

/regionserver/requests/total_rate

GAUGE, DOUBLE, 1/s

The point-in-time number of RegionServer RPC calls.

type: The type of request.

Additions

BindPlane integration requires user to sum type: read and write to produce total_rate. Dashboard modification may be required.

/regionserver/slow_operation_count
Slow operations

CUMULATIVE, INT64, n/a

The number of slow log operations.

operation: The operation name (e.g., get, put).

Additions

operation: in addition to get, put, delete, and increment, the BindPlane integration also collects and reports append and delete operations