The node commands let you work with nodes in the cluster:

Fields

The following table lists the data fields that provide information about each node. Each field has two names:

  • Field name - displayed in the output of the node list command
  • Short name - used to specify the columns displayed using the columns parameter

The short name is also used when specifying rows with a filter, for example when specifying nodes on which to perform an action with the node services command.

Field Name

Short Name

Description

blockMovesInbmiBlock moves in.
blockMovesOutbmoBlock moves out.

bytesReceived

br

Bytes received by the node since the last CLDB heartbeat.

bytesSent

bs

Bytes sent by the node since the last CLDB heartbeat.

configuredservicecsvcServices that are configured as roles on the node.

CorePresentAlarm

ncp

Cores Present Alarm (NODE_ALARM_CORE_PRESENT):

  • 0 = Clear
  • 1 = Raised

cpus

cpc

The total number of CPUs on the node.

davail

dsa

Disk space available on the node.

DiskFailureAlarm

fda

Failed Disks alarm (DISK_FAILURE):

  • 0 = Clear
  • 1 = Raised

disks

dsc

Total number of disks on the node.

dreadK

drk

Disk Kbytes read since the last heartbeat.

dreads

dro

Disk read operations since the last heartbeat.

DRILLDOWNALARMddaTimestamp when "Drill Service Down" alarm is raised.

dtotal

dst

Total disk space on the node.

dused

dsu

Disk space used on the node.

dwriteK

dwk

Disk Kbytes written since the last heartbeat.

dwrites

dwo

Disk write ops since the last heartbeat.

faileddisks

nfd

Number of failed MapR-FS disks on the node.

  • 0 = Clear
  • 1 = Raised

fs-heartbeat

fhb

Time since the last heartbeat to the CLDB, in seconds.

gwgwThe gateway address.
HbProcessingSlowhbpsaTimestamp when "Heartbeet Process Slow" alarm is raised.

health

h

Overall node health, calculated from various alarm states:

  • 0 = Healthy
  • 1 = Needs attention
  • 2 = Degraded
  • 3 = Maintenance
  • 4 = Critical
healthDeschdThe health description.
HighMfsMemoryAlarmnhmmThe High FileServer Memory Alarm (NODE_ALARM_HIGH_MFS_MEMORY):
  • 0 = Clear
  • 1 = Raised

HomeMapRFullAlarm

hmf

Installation Directory Full Alarm (NODE_ALARM_OPT_MAPR_FULL):

  • 0 = Clear
  • 1 = Raised

hostname

hn

The host name.

id

id

The node ID.

IncorrectTopologyAlarmitaTimestamp when "Incorrect Topology" alarm is raised.

ip

ip

A list of IP addresses associated with the node.

JobHistoryServerDownjhsaTimestamp when "Job History Server Down" alarm is raised.

jt-heartbeat

jhb

Time since the last heartbeat to the JobTracker, in seconds.

LogLevelAlarm

lla

Excessive Logging Alarm (NODE_ALARM_DEBUG_LOGGING):

  • 0 = Clear
  • 1 = Raised
macmac

The MAC address.

MapRfs disks

nmd

Number of disks for use by MapR-FS

maxContainersThresholdmctMax containers threshold.
MemoryAllocationAlarmmaaTimestamp when "Memory Allocation Exceeded" alarm is raised.
MemorySwappingmsaTimestamp when "Memory Swapping" alarm is raised.

mtotal

mt

Total memory, in GB.

mused

mu

Memory used, in GB.

nmnmThe netmask
NodeDuplicateHostIdAlarmndhThe Duplicate Host ID alarm (NODE_ALARM_DUPLICATE_HOSTID):
  • 0 = Clear
  • 1 = Raised
NodeManagerDownnmaTimestamp when "Node Manager Down" alarm is raised.
NodeMaprUserMismatchAlarmnmaNode MapR User Mismatch alarm (NODE_ALARM_MAPRUSER_MISMATCH):
  • 0 = Clear
  • 1 = Raised
NodeMetricsWriteProblemAlarmnmwNode Metrics Write Problem Alarm (NODE_ALARM_METRICS_WRITE_PROBLEM):
  • 0 = Clear
  • 1 = Raised
NodeNoHeartbeatAlarmnhaNode no heartbeat alarm ():
  • 0 = Clear
  • 1 = Raised
NodeTooManyContainersAlarmnmcNode Too Many Containers alarm ():
  • 0 = Clear
  • 1 = Raised
numResyncSlotsnrsThe number of resync slots.
numGetsInLastTenSecondsngl10sNumber of table get operations in last 10 seconds.
numGetsInLastMinutengl1mNumber of table get operations in last 1 minute.
numGetsInLastFiveMinutesngl5mNumber of table get operations in last 5 minutes.
numGetsInLastFifteenMinutesngl15mNumber of table get operations in last 15 minutes.
numPutsInLastTenSecondsnpl10sNumber of table put operations in last 10 seconds.
numPutsInLastMinutenpl1mNumber of table put operations in last 1 minute.
numPutsInLastFiveMinutesnpl5mNumber of table put operations in last 5 minutes
numPutsInLastFifteenMinutesnpl15mNumber of table put operations in last 15 minutes.
numScansInLastTenSecondsnsl10sNumber of table scan operations in last 10 seconds.
numScansInLastMinutensl1mNumber of table scan operations in last 1 minute.
numScansInLastFiveMinutesnsl5mNumber of table scan operations in last 5 minutes.
numScansInLastFifteenMinutesnsl15mNumber of table scan operations in last 15 minutes.
PamMisconfiguredAlarmpmaPAM misconfigured alarm (NODE_ALARM_PAM_MISCONFIGURED):
  • 0 = Clear
  • 1 = Raised
ResourceManagerDownrmaTimestamp when "Resource Manager Down" alarm is raised.

RootPartitionFullAlarm

rpf

Root Partition Full Alarm (NODE_ALARM_ROOT_PARTITION_FULL):

  • 0 = Clear
  • 1 = Raised

rpcin

rpi

RPC bytes received since the last heartbeat.

rpcout

rpo

RPC bytes sent since the last heartbeat.

rpcs

rpc

Number of RPCs since the last heartbeat.

service

svc

A comma-separated list of services running on the node:

  • cldb - CLDB
  • fileserver - MapR-FS
  • jobtracker - JobTracker
  • tasktracker - TaskTracker
  • hbmaster - HBase Master
  • hbregionserver - HBase RegionServer
  • nfs - NFS Gateway
    Example: "cldb,fileserver,nfs"
ServiceBeeswaxDownNotRunningAlarmsbwaTimestamp when "HtBeeswaxtpfs Service Down" alarm is raised.

ServiceCLDBDownNotRunningAlarm

sca

CLDB Service Down Alarm (NODE_ALARM_SERVICE_CLDB_DOWN)

  • 0 = Clear
  • 1 = Raised

ServiceFileserverDownNotRunningAlarm

sfsa

Fileserver Service Down Alarm (NODE_ALARM_SERVICE_FILESERVER_DOWN)

  • 0 = Clear
  • 1 = Raised

ServiceHBMasterDownNotRunningAlarm

shma

HBase Master Service Down Alarm (NODE_ALARM_SERVICE_HBMASTER_DOWN)

  • 0 = Clear
  • 1 = Raised

ServiceHBRegionDownNotRunningAlarm

shra

HBase Regionserver Service Down Alarm (NODE_ALARM_SERVICE_HBREGION_DOWN)

  • 0 = Clear
  • 1 = Raised
ServiceHiveDownNowRunningAlarmshiveaTimestamp when "Hive Service Down" alarm is raised.
ServiceHoststatsDownNotRunningAlarmsha

Hoststats Service Down Alarm (NODE_ALARM_SERVICE_HOSTSTATS_DOWN)

  • 0 = Clear
  • 1 = Raised
ServiceHs2DownNotRunningAlarmshs2aTimestamp when "Hs2 Service Down" alarm is raised.
ServiceHttpfsDownNotRunningAlarmshttpfsaTimestamp when "Httpfs Service Down" alarm is raised.

 

  
ServiceHueDownNotRunningAlarmshueaTimestamp when "Hue Service Down" alarm is raised.

ServiceJTDownNotRunningAlarm

sja

Jobtracker Service Down Alarm (NODE_ALARM_SERVICE_JT_DOWN)

  • 0 = Clear
  • 1 = Raised

ServiceMiscDownNotRunningAlarm

 

():

  • 0 = Clear
  • 1 = Raised

 

ServiceNFSDownNotRunningAlarm

sna

NFS Service Down Alarm (NODE_ALARM_SERVICE_NFS_DOWN):

  • 0 = Clear
  • 1 = Raised
ServiceOozieDownNotRunningAlarmsoaTimestamp when "Oozie Service Down" alarm is raised.

ServiceTTDownNotRunningAlarm

sta

Tasktracker Service Down Alarm (NODE_ALARM_SERVICE_TT_DOWN):

  • 0 = Clear
  • 1 = Raised

ServicesWebserverDownNotRunningAlarm

swa

Webserver Service Down Alarm (NODE_ALARM_SERVICE_WEBSERVER_DOWN)

  • 0 = Clear
  • 1 = Raised
switchtopospThe switch path.

TimeSkewAlarm

tsa

Time Skew alarm (NODE_ALARM_TIME_SKEW):

  • 0 = Clear
  • 1 = Raised
TTLocaldirFullAlarmtlaTaskTracker local directory full alarm (NODE_ALARM_TT_LOCALDIR_FULL):
  • 0 = Clear
  • 1 = Raised

racktopo

rp

The rack path.

ttmapSlots

tms

TaskTracker map slots.

ttmapUsed

tmu

TaskTracker map slots used.

ttReduceSlots

trs

TaskTracker reduce slots.

ttReduceUsed

tru

TaskTracker reduce slots used.

uptime

cpt

Date when the node came up.

utilization

cpu

CPU use percentage since the last heartbeat.

VersionMismatchAlarm

vma

Software Version Mismatch Alarm (NODE_ALARM_VERSION_MISMATCH):

  • 0 = Clear
  • 1 = Raised
vipvipThe virtuap IP address.
vipevipeThe end of the virtual IP address range