HBase Exporter

Prometheus exporter for HBase which fetch data from hbase jmx, written in Go.

You can even see region-level metrics.

Installation and Usage

For pre-built binaries please take a look at the releases.

Configuration

Below is the command line options summary:

hbase_exporter --help

Argument	Introduced in Version	Description	Default
web.listen-address	1.2.0-cdh5.12.1	Address to listen on for web interface and telemetry.	:9115
web.telemetry-path	1.2.0-cdh5.12.1	Path under which to expose metrics.	/metrics
hbase.master.uri	1.2.0-cdh5.12.1	HTTP jmx address of an HBase master node.	http://localhost:60010/jmx
hbase.regionserver.uri	1.2.0-cdh5.12.1	HTTP jmx address of an HBase regionserver node.	http://localhost:60030/jmx
hbase.master	1.2.0-cdh5.12.1	Is hbase master.	false

Master

Start in master:

./hbase_exporter --web.listen-address=":9003" --hbase.master.uri="http://localhost:60010/jmx" --hbase.master

Regionserver

Start in regionserver:

./hbase_exporter --web.listen-address=":9003" --hbase.regionserver.uri="http://localhost:60010/jmx"

Metrics

common

Common jvm metrics, both hmaster and regionservers.

From(both hmaster and regionservers):

http://localhost:60030/jmx?qry=Hadoop:service=HBase,name=JvmMetrics and http://localhost:60010/jmx?qry=Hadoop:service=HBase,name=JvmMetrics

Example:

hbase_jvm_mem_non_head_used_m{host="localhost",role="master"} 1

hbase_jvm_mem_non_head_used_m{host="localhost",role="regionserver"} 1

Name	Type	Origin in jmx
hbase_jvm_mem_non_head_used_m	gauge	MemNonHeapUsedM
hbase_jvm_mem_heap_userd_m	gauge	MemHeapUsedM
hbase_jvm_heap_max_m	gauge	MemHeapMaxM
hbase_jvm_mem_max_m	gauge	MemMaxM
hbase_jvm_gc_time_millis	gauge	GcTimeMillis
hbase_jvm_gc_count	gauge	GcCount
hbase_jvm_thread_blocked	gauge	ThreadsBlocked

HMaster

HMaster server metrics, only for hmaster.

From: http://localhost:60030/jmx?qry=Hadoop:service=HBase,name=Master,sub=Server

Example: hbase_server_num_region_servers{host="localhost",role="master"}

Name	Type	Origin in jmx
hbase_server_num_region_servers	gauge	NumRegionServers
hbase_server_num_dead_region_servers	gauge	NumDeadRegionServers
hbase_server_is_active_master	gauge	IsActiveMaster
hbase_server_average_load	gauge	AverageLoad

Regionserver

Regionserver server metrics, only for regionserver.

From: http://localhost:60030/jmx?qry=qry=Hadoop:service=HBase,name=RegionServer,sub=Server

Example: hbase_server_mem_store_size{host="localhost",role="regionserver"} 1

Name	Type	Origin in jmx
hbase_server_mem_store_size	gauge	MemStoreSize
hbase_server_region_count	gauge	RegionCount
hbase_server_store_count	gauge	StoreCount
hbase_server_store_file_count	gauge	StoreFileCount
hbase_server_store_file_size	gauge	StoreFileSize
hbase_server_total_request_count	gauge	TotalRequestCount
hbase_server_split_queue_length	gauge	SplitQueueLength
hbase_server_compaction_queue_length	gauge	CompactionQueueLength
hbase_server_flush_queue_length	gauge	FlushQueueLength
hbase_server_block_count_hit_percent	gauge	BlockCountHitPercent
hbase_server_slow_append_count	gauge	SlowAppendCount
hbase_server_slow_delete_count	gauge	SlowDeleteCount
hbase_server_slow_get_count	gauge	SlowGetCount
hbase_server_slow_put_count	gauge	SlowPutCount
hbase_server_slow_increment_count	gauge	SlowIncrementCount

Regionserver region metrics, only for regionserver.

From: http://localhost:60030/jmx?qry=Hadoop:service=HBase,name=RegionServer,sub=Regions

Example: hbase_region_store_count{host="localhost",hregion="4fcaf7b9d1fedc1b62c15cbb1c9a10dc",htable="t1",namespace="n1",role="regionserver"} 1

Name	Type	Origin in jmx
hbase_region_store_count	gauge	storeCount
hbase_region_store_file_count	gauge	storeFileCount
hbase_region_mem_store_size	gauge	memStoreSize
hbase_region_store_file_size	gauge	storeFileSize
hbase_region_compactions_completed_count	gauge	compactionsCompletedCount
hbase_region_read_request_count	gauge	readRequestCount
hbase_region_write_request_count	gauge	writeRequestCount
hbase_region_num_files_compacted_count	gauge	numFilesCompactedCount
hbase_region_num_bytes_compacted_count	gauge	numBytesCompactedCount