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HBase Monitoring Metrics

Last updated: 2021-03-01 11:36:10

HBase - overview

Metric Name	Unit	Description
ritCount	-	Number of cluster regions in RIT state
ritCountOverThreshold	-	Number of cluster regions in RIT state
ritOldestAge	ms	Cluster RIT time
averageLoad	-	Average number of regions per RS
numRegionServers	-	Number of cluster RSs
numDeadRegionServers	-	Number of cluster RSs
receivedBytes	Bytes/s	Number of cluster reads/writes
sentBytes	Bytes/s	Number of cluster reads/writes
clusterRequests	Requests/s	Total number of requests in cluster
Assign_num_ops	-	Cluster assignment manager operations
BulkAssign_num_ops	-	Cluster assignment manager operations
BalancerCluster_num_ops	-	Number of cluster load balancing operations
mergePlanCount	-	Cluster plans
splitPlanCount	-	Cluster plans

HBase - HMaster

Metric Name	Unit	Description
YGC	-	GC count
FGC	-	GC count
FGCT	s	GC time
GCT	s	GC time
YGCT	s	GC time
S0	%	Memory area proportion
E	%	Memory area proportion
CCS	%	Memory area proportion
S1	%	Memory area proportion
O	%	Memory area proportion
M	%	Memory area proportion
LogFatal	-	Number of JVM logs
LogError	-	Number of JVM logs
LogWarn	-	Number of JVM logs
LogInfo	-	Number of JVM logs
MemNonHeapUsedM	MB	JVM memory
MemNonHeapCommittedM	MB	JVM memory
MemNonHeapMaxM	MB	JVM memory
MemHeapUsedM	MB	JVM memory
MemHeapCommittedM	MB	JVM memory
MemHeapMaxM	MB	JVM memory
MemMaxM	MB	JVM memory
ThreadsNew	-	Number of JVM threads
ThreadsRunnable	-	Number of JVM threads
ThreadsBlocked	-	Number of JVM threads
ThreadsWaiting	-	Number of JVM threads
ThreadsTimedWaiting	-	Number of JVM threads
ThreadsTerminated	-	Number of JVM threads
numOpenConnections	-	Number of RPC connections
FailedSanityCheckException	-	Number of RPC exceptions
NotServingRegionException	-	Number of RPC exceptions
OutOfOrderScannerNextException	-	Number of RPC exceptions
RegionMovedException	-	Number of RPC exceptions
RegionTooBusyException	-	Number of RPC exceptions
UnknownScannerException	-	Number of RPC exceptions
numCallsInPriorityQueue	-	Number of RPC queue requests
numCallsInReplicationQueue	-	Number of RPC queue requests
masterActiveTime	s	Process start time
masterStartTime	s	Process start time

HBase - RegionServer

Metric Name	Unit	Description
YGC	-	GC count
FGC	-	GC count
FGCT	s	GC time
GCT	s	GC time
YGCT	s	GC time
S0	%	Memory area proportion
E	%	Memory area proportion
CCS	%	Memory area proportion
S1	%	Memory area proportion
O	%	Memory area proportion
M	%	Memory area proportion
LogFatal	-	Number of JVM logs
LogError	-	Number of JVM logs
LogWarn	-	Number of JVM logs
LogInfo	-	Number of JVM logs
MemNonHeapUsedM	MB	JVM memory
MemNonHeapCommittedM	MB	JVM memory
MemNonHeapMaxM	MB	JVM memory
MemHeapUsedM	MB	JVM memory
MemHeapCommittedM	MB	JVM memory
MemHeapMaxM	MB	JVM memory
MemMaxM	MB	JVM memory
ThreadsNew	-	Number of JVM threads
ThreadsRunnable	-	Number of JVM threads
ThreadsBlocked	-	Number of JVM threads
ThreadsWaiting	-	Number of JVM threads
ThreadsTimedWaiting	-	Number of JVM threads
ThreadsTerminated	-	Number of JVM threads
averageRegionSize	Byte	Average region size
regionCount	-	Number of regions
percentFilesLocalSecondaryRegions	%	Region replica localization
authenticationFailures	-	Number of RPC authentications
authenticationSuccesses	-	Number of RPC authentications
numOpenConnections	-	Number of RPC connections
FailedSanityCheckException	-	Number of RPC exceptions
NotServingRegionException	-	Number of RPC exceptions
OutOfOrderScannerNextException	-	Number of RPC exceptions
RegionMovedException	-	Number of RPC exceptions
RegionTooBusyException	-	Number of RPC exceptions
UnknownScannerException	-	Number of RPC exceptions
numActiveHandler	-	Number RPC handles
numCallsInPriorityQueue	-	Number of RPC queue requests
numCallsInReplicationQueue	-	Number of RPC queue requests
numCallsInGeneralQueue	-	Number of RPC queue requests
hlogFileCount	-	Number of WAL files
hlogFileSize	Bytes	WAL file size
memStoreSize	MB	Memstore size
storeCount	-	Number of stores
storeFileCount	-	Number of Storefiles
storeFileSize	MB	Storefile size
flushedCellsSize	Bytes/s	Disk write rate
Append_mean	ms	Average delay
Replay_mean	ms	Average delay
Get_mean	ms	Average delay
updatesBlockedTime	ms	Average delay
FlushTime_num_ops	-	Number of RS disk writes
splitQueueLength	-	Number of operation queue requests
compactionQueueLength	-	Number of operation queue requests
flushQueueLength	-	Number of operation queue requests
Replay_num_ops	-	Number of Replay operations
slowAppendCount	-	Number of slow operations
slowDeleteCount	-	Number of slow operations
slowGetCount	-	Number of slow operations
slowIncrementCount	-	Number of slow operations
slowPutCount	-	Number of slow operations
splitRequestCount	-	Split requests
splitSuccessCount	-	Split requests
blockCacheCount	-	Number of cache blocks
blockCacheHitCount	-	Number of cache blocks
blockCacheMissCount	-	Number of cache blocks
blockCacheExpressHitPercent	%	Cache read hit rate
blockCacheSize	Byte	Memory size used by cache block
staticBloomSize	Bytes	Index size
staticIndexSize	Bytes	Index size
storeFileIndexSize	Bytes	Index size
receivedBytes	Bytes/s	Read/write traffic
sentBytes	Bytes/s	Read/write traffic
Total	Requests/s	Number of read/write requests
Read	Requests/s	Number of read/write requests
Write	Requests/s	Number of read/write requests
Append_num_ops	Requests/s	Number of read/write requests
mutationsWithoutWALCount	-	Number of mutations
mutationsWithoutWALSize	Bytes	Mutation size
regionServerStartTime	s	Process start time
99th_percentile	ms	99% request processing latency
99.9th_percentile	ms	99.9% request processing latency
99th_percentile	ms	99% request queueing latency
99.9th_percentile	ms	99.9% request queueing latency