Hadoop
6
true
false
false
Hadoop
false
Hadoop:service=NameNode,name=FSNamesystemState
dynamic
Hadoop
CapacityTotal
1
long
1
CapacityUsed
1
long
2
CapacityRemaining
1
long
3
ProvidedCapacityTotal
1
long
4
TotalLoad
1
int
5
NumEncryptionZones
1
int
6
FsLockQueueLength
1
int
7
BlocksTotal
1
long
8
MaxObjects
1
long
9
FilesTotal
1
long
10
PendingReplicationBlocks
1
long
11
PendingReconstructionBlocks
1
long
12
UnderReplicatedBlocks
1
long
13
LowRedundancyBlocks
1
long
14
ScheduledReplicationBlocks
1
long
15
PendingDeletionBlocks
1
long
16
BlockDeletionStartTime
1
long
17
NumLiveDataNodes
1
int
18
NumDeadDataNodes
1
int
19
NumDecomLiveDataNodes
1
int
20
NumDecomDeadDataNodes
1
int
21
VolumeFailuresTotal
1
int
22
EstimatedCapacityLostTotal
1
long
23
NumDecommissioningDataNodes
1
int
24
NumStaleDataNodes
1
int
25
NumStaleStorages
1
int
26
TotalSyncCount
1
long
27
NumInMaintenanceLiveDataNodes
1
int
28
NumInMaintenanceDeadDataNodes
1
int
29
NumEnteringMaintenanceDataNodes
1
int
30