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Tencent Cloud Observability Platform
EMR (Node)
Last updated: 2024-01-27 17:52:39
EMR (Node)
Last updated: 2024-01-27 17:52:39

Namespace

Namespace=QCE/TXMR_NODE

Monitoring Metrics

Server - CPU

Parameter
Metric Name
Unit
Description
Dimension
NodeCpuIdle
CPU utilization_idle
%
Percentage of CPU idle time
id4nodecpu,
host4nodecpu
NodeCpuIrq
CPU utilization_irq
%
Percentage of interrupts
id4nodecpu, host4nodecpu
NodeCpuNice
CPU utilization_nice
%
Percentage of CPU utilization under the nice priority
id4nodecpu,
host4nodecpu
NodeCpuSteal
CPU utilization_steal
%
Percentage of wait time by virtual CPUs for physical CPUs
id4nodecpu, host4nodecpu
NodeCpuSoftirq
CPU utilization_softirq
%
Percentage of CPU soft interrupts
id4nodecpu,
host4nodecpu
NodeCpuGuest
CPU utilization_guest
%
Percentage of time spent running virtual processors
id4nodecpu, host4nodecpu
NodeCpuSystem
CPU utilization_system
%
CPU utilization in the kernel state
id4nodecpu,
host4nodecpu
NodeCpuUser
CPU utilization_user
%
CPU utilization in the user state
id4nodecpu, host4nodecpu
NodeCpuIowait
CPU utilization_iowait
%
Percentage of CPU idleness due to process I/O waits
id4nodecpu,
host4nodecpu
NodeCpuLoad1m
Load_1m
-
1-minute load
id4nodecpu, host4nodecpu
NodeCpuLoad5m
Load_5m
-
5-minute load
id4nodecpu, host4nodecpu
NodeCpuLoad15m
Load_15m
-
15-minute load
id4nodecpu,
host4nodecpu
NodeCpuCountCpuCount
Number of cores_cpu_count
Count
Number of CPU cores
id4nodecpu, host4nodecpu

Server - Memory

Parameter
Metric Name
Unit
Description
Dimension
NodeMemMemtotal
Memory usage_MemTotal
GB
Total memory size
host4nodememory,
id4nodememory
NodeMemMemfree
Memory usage_MemFree
GB
Total free memory size
host4nodememory, id4nodememory
NodeMemBuffers
Memory usage_Buffers
GB
Total memory size used by buffers
host4nodememory,
id4nodememory
NodeMemCached
Memory usage_Cached
GB
Total memory size used by the file cache
host4nodememory, id4nodememory
NodeMemSwapcached
Memory usage_SwapCached
GB
Total swap memory size used by anonymous page writes
host4nodememory,
id4nodememory
NodeMemSwapfree
Memory usage_SwapFree
GB
Total available swap size
host4nodememory, id4nodememory
NodeMemAnonpages
Memory usage_AnonPages
GB
Total unmapped memory size
host4nodememory,
id4nodememory
NodeMemSwaptotal
Memory usage_SwapTotal
GB
Total swap size
host4nodememory, id4nodememory
NodeMemDirty
Memory usage_Dirty
GB
Total memory size to be written to the disk
host4nodememory,
id4nodememory
NodeMemWriteback
Memory usage_Writeback
GB
Total memory size being written back to the disk
host4nodememory, id4nodememory
NodeMemHard
warecorrupted
Memory usage_HardwareCorrupted
GB
Total unavailable memory size due to memory hardware failure
host4nodememory,
id4nodememory
NodeMemShmem
Memory usage_Shmem
GB
Total shared memory size
host4nodememory, id4nodememory
NodeMemPercent
AvailablePercent
Percentage of used memory_available_percent
%
Percentage of available memory size out of the total memory
host4nodememory,
id4nodememory
NodeMemPercent
UsedPercent
Percentage of used memory_used_percent
%
Percentage of used memory size out of the total memory
host4nodememory, id4nodememory

Server - Network

Parameter
Metric Name
Unit
Description
Dimension
NodeNetworkTcp
ListenExtListendrops
TCPLISTEN
Exceptions_ListenDrops
Connections/s
Number of incoming connections (SYN packets) dropped for any reason
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpListen
ExtListenoverflows
TCPLISTEN
Exceptions_ListenOverflows
Occurrences/s
Number of occurrences where the upper limit of the Accept queue is exceeded after the last step of the three-way handshake is completed
host4nodenetwork, id4nodenetwork
NodeNetworkTcpSyncookies
Syncookiesfailed
TCPSyncookies_Syn
cookiesFailed
Packets/s
Number of packets received with invalid SYN Cookie information
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpSyncookies
Syncookiesrecv
TCPSyncookies_Syn
cookiesRecv
Packets/s
Number of packets received with valid SYN Cookie information
host4nodenetwork, id4nodenetwork
NodeNetworkTcpSyncookies
Syncookiessent
TCPSyncookies_Syn
cookiesSent
Packets/s
Number of SYN/ACK packets sent through SYN Cookie
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpAbort
Tcpabortontimeout
TCP connection exception Abort_TCPAbort
OnTimeout
Connections/s
Number of connections closed because the attempts of the retransmissions of various timers (RTO/PTO/keepalive) exceeded the upper limit
host4nodenetwork, id4nodenetwork
NodeNetworkTcpAbort
Tcpabortondata
TCP connection exception Abort_TCPAbort
OnData
Sockets/s
Number of sockets closed due to receiving unknown data
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpAbort
Tcpabortonclose
TCP connection exception Abort_TCPAbort
OnClose
Sockets/s
Number of sockets closed when the user-mode program has data in the buffer
host4nodenetwork, id4nodenetwork
NodeNetworkTcpAbort
Tcpabortonmemory
TCP connection exception Abort_TCPAbort
OnMemory
Connections/s
Number of connections closed due to memory issues
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpAbor
Tcpabortonlinger
TCP connection exception Abort_TCPAbort
OnLinger
Connections/s
Number of connections suspended in the lingering state after being closed
host4nodenetwork, id4nodenetwork
NodeNetworkTcpAbort
Tcpabortfailed
TCP connection exception Abort_TCPAbortFailed
Times/s
Number of failed attempts to close connections
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpState
Activeopens
Established TCP connections
_ActiveOpens
Connections/s
Number of actively established TCP connections
host4nodenetwork, id4nodenetwork
NodeNetworkTcp
StateCurrestab
Established TCP connections
_CurrEstab
Connections/s
Number of TCP connections currently established
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpState
Passiveopens
Established TCP connections
_PassiveOpens
Connections/s
Number of passively established TCP connections
host4nodenetwork, id4nodenetwork
NodeNetworkTcp
StateAttemptfails
Established TCP connections
_AttemptFails
Connections/s
Number of connection establishment failures
host4nodenetwork,
id4nodenetwork
NodeNetworkTcp
StateEstabresets
Established TCP connections
_EstabResets
Connections/s
Number of reset connections
host4nodenetwork, id4nodenetwork
NodeNetworkTcp
PacketStatInsegs
TCP data packets
_InSegs
Packets/s
Number of received packets, including erroneous ones
host4nodenetwork,
id4nodenetwork
NodeNetworkTcp
PacketStatOutsegs
TCP data packets
_OutSegs
Packets/s
Number of sent data packets
host4nodenetwork, id4nodenetwork
NodeNetworkTcp
PacketStatRetranssegs
TCP data packets
_RetransSegs
Packets/s
Number of received TCP packets
host4nodenetwork,
id4nodenetwork
NodeNetworkTcp
PacketStatInerrs
TCP data packets
_InErrs
Packets/s
Number of retransmitted packets
host4nodenetwork, id4nodenetwork
NodeNetworkTcp
PacketStatOutrsts
TCP data packets
_OutRsts
Packets/s
Number of sent RST packets
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpPacketRate
Retranssegsrate
TCP retransmission rate
_RetransSegsRate
%
Retransmission rate at the TCP layer
host4nodenetwork, id4nodenetwork
NodeNetworkTcp
PacketRateResetrate
TCP retransmission rate
_ResetRate
%
RESET sending frequency
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpPacket
RateInerrrate
TCP retransmission rate
_InErrRate
%
Percentage of erroneous packets
host4nodenetwork, id4nodenetwork
NodeNetworkTcpTimeWaitTw
TCPTIME-WAIT_TW
Sockets/s
Number of sockets ending the TIME_WAIT state after normal timeout
host4nodenetwork,
id4nodenetwork
NodeNetworkTcp
TimeWaitTwkilled
TCPTIME-WAIT_TWKilled
Sockets/s
Number of sockets ending the TIME_WAIT state through the tcp_tw_recycle mechanism
host4nodenetwork, id4nodenetwork
NodeNetworkTcpTime
WaitTwrecycled
TCPTIME-WAIT_TWRecycled
Sockets/s
Number of sockets ending the TIME_WAIT state through the tcp_tw_reuse mechanism
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpRtoStat
Tcptimeouts
TCPRTO_TCPTimeouts
Timeouts/s
Number of first RTO timer timeouts
host4nodenetwork, id4nodenetwork
NodeNetworkTcpRtoStat
Tcpspuriousrtos
TCPRTO_TCPSpur
iousRTOs
Timeouts/s
Number of spurious timeouts detected through the F-RTO mechanism
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpRtoStat
Tcplossprobes
TCPRTO_TCPLoss
Probes
Packets/s
Number of Tail Loss Probe (TLP) packets sent due to Probe Timeout (PTO)
host4nodenetwork, id4nodenetwork
NodeNetworkTcpRtoStat
Tcplossproberecovery
TCPRTO_TCPLoss
ProbeRecovery
Packets/s
Number of lost packets just repaired by TLP probes
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpRtoStat
Tcprenorecoveryfail
TCPRTO_TCPReno
RecoveryFail
Connections/s
Number of connections that enter the Recovery phase and then undergo RTO (SACK option not supported by the opposite)
host4nodenetwork, id4nodenetwork
NodeNetworkTcpRtoStat
Tcprenorecoveryfail
TCPRTO_TCPReno
RecoveryFail
Connections/s
Number of connections that enter the Recovery phase and then undergo RTO (SACK option supported by the opposite)
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpRtoStat
Tcprenofailures
TCPRTO_TCPReno
Failures
Failures/s
Number of connections that enter the TCP_CA_Disorder phase and then undergo RTO (SACK option not supported by the opposite)
host4nodenetwork, id4nodenetwork
NodeNetworkTcpRtoStat
Tcpsackfailures
TCPRTO_TCPSack
Failures
Connections/s
Number of connections that enter the TCP_CA_Disorder phase and then undergo RTO (SACK option supported by the opposite)
host4nodenetwork,
id4nodenetwork
NodeNetworkTcp
RtoStatTcplossfailures
TCPRTO_TCPLoss
Failures
Connections/s
Number of connections that enter the TCP_CA_Loss phase and then undergo RTO timeout
host4nodenetwork, id4nodenetwork
NodeNetworkTcpRto
ConstRtoalgorithm
TCPRTO
Constant_RtoAlgorithm
Algorithms/s
Number of delayed algorithms for forwarding unanswered objects
host4nodenetwork,
id4nodenetwork
NodeNetworkTcp
RtoConstRtomax
TCPRTO
Constant_RtoMax
Retransmissions/s
Maximum number of retransmissions due to TCP delay
host4nodenetwork, id4nodenetwork
NodeNetworkTcp
RtoConstRtomin
TCPRTO
Constant_RtoMin
Retransmissions/s
Minimum number of retransmissions due to TCP delay
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpRetrans
Tcplostretransmit
TCP retransmissions
_TCPLostRetransmit
Retransmissions/s
Number of SKB retransmissions due to loss
host4nodenetwork, id4nodenetwork
NodeNetworkTcpRetrans
Tcpfastretrans
TCP retransmissions
_TCPFastRetrans
Retransmissions/s
Number of fast SKB retransmissions
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpRetrans
Tcpforwardretrans
TCP retransmissions
_TCPForwardRetrans
Retransmissions/s
Number of regular SKB retransmissions
host4nodenetwork, id4nodenetwork
NodeNetworkTcpRetrans
Tcpslowstartretrans
TCP retransmissions
_TCPSlowStart
Retrans
Retransmissions/s
Number of SKB retransmissions with successful slow starts
host4nodenetwork,
id4nodenetwork
NodeNetworkTcpRetrans
Tcpretransfail
TCP retransmissions
_TCPRetransFail
Failures/s
Number of failed retransmission attempts
host4nodenetwork, id4nodenetwork
NodeNetworkUdp
DgIndatagrams
UDP datagrams
_InDatagrams
Datagrams/s
Number of sent UDP datagrams
host4nodenetwork,
id4nodenetwork
INodeNetworkUdpDg
Outdatagrams
UDP datagrams
_OutDatagrams
Datagrams/s
Number of received UDP datagrams
host4nodenetwork, id4nodenetwork
NodeNetworkRwBytes
Eth0TransmitBytes
ENI data receiving and sending rate
_eth0-transmit_bytes
MB/s
Volume of data sent by ENI
host4nodenetwork,
id4nodenetwork
NodeNetworkPackets
Eth0ReceiveDrop
ENI data packet rate
_eth0-receive_drop
Packets/s
Volume of data received and then dropped by ENI
host4nodenetwork, id4nodenetwork
NodeNetworkPackets
Eth0ReceiveErrs
ENI data packet rate
_eth0-receive_errs
Packets/s
Volume of data failed to be received by ENI
host4nodenetwork,
id4nodenetwork
NodeNetworkPackets
Eth0TransmitDrop
ENI data packet rate
_eth0-transmit_drop
Packets/s
Volume of data sent and then dropped by ENI
host4nodenetwork, id4nodenetwork
NodeNetworkPackets
Eth0TransmitErrs
ENI data packet rate
_eth0-transmit_errs
Packets/s
Volume of data failed to be sent by ENI
host4nodenetwork,
id4nodenetwork
NodeNetworkPackets
Eth0TransmitPackets
ENI data packet rate
_eth0_transmit_packets
Packets/s
Number of packets sent by ENI
host4nodenetwork, id4nodenetwork
NodeNetworkTcp
SocketTcpInuse
TCP sockets
_TCP_inuse
Count
Number of TCP sockets in use (listening)
host4nodenetwork,
id4nodenetwork
NodeNetworkTcp
SocketTcpOrphan
TCP sockets
_TCP_orphan
Count
Number of TCP connections waiting to be closed
host4nodenetwork, id4nodenetwork
NodeNetwork
TcpSocketTcpTw
TCP sockets
_TCP_tw
Count
Number of TCP sockets to be destroyed
host4nodenetwork,
id4nodenetwork
NodeNetworkTcp
SocketSocketsUsed
TCP sockets
_sockets_used
Count
Number of users using TCP sockets
host4nodenetwork, id4nodenetwork
NodeNetworkTcp
SocketTcpAlloc
TCP sockets
_TCP_alloc
Count
Number of TCP sockets allocated (established, obtained sk_buff)
host4nodenetwork,
id4nodenetwork
NodeNetworkTcp
ConnectionStateEstablished
TCP connection status
_ESTABLISHED
Count
Number of TCP connections in the Established state
host4nodenetwork, id4nodenetwork
NodeNetworkTcp
ConnectionStateSynSent
TCP connection status
_SYN-SENT
Count
Number of TCP connections in the SYN-SENT state
host4nodenetwork,
id4nodenetwork
NodeNetworkTcp
ConnectionStateSynRecv
TCP connection status
_SYN-RECV
Count
Number of TCP connections in the SYN-RECV state
host4nodenetwork, id4nodenetwork
NodeNetworkTcp
ConnectionStateClose
TCP connection status
_CLOSE
Count
Number of TCP connections in the CLOSE state
host4nodenetwork,
id4nodenetwork
NodeNetworkTcp
ConnectionStateCloseWait
TCP connection status
_CLOSE-WAIT
Count
Number of TCP connections in the CLOSE-WAIT state
host4nodenetwork, id4nodenetwork
NodeNetworkTcp
ConnectionStateListen
TCP connection status
_LISTEN
Count
Number of TCP connections in the LISTEN state
host4nodenetwork,
id4nodenetwork
NodeNetworkTcp
ConnectionStateClosing
TCP connection status
_CLOSING
Count
Number of TCP connections in the CLOSING state
host4nodenetwork, id4nodenetwork

Server - Filehandle

Parameter
Metric Name
Unit
Description
Dimension
NodeFdFilefdAllocated
File handles_allocated
Count
Number of allocated file handles
host4nodefilehandle,
id4nodefilehandle
NodeFdFilefdMaximum
File handles_maximum
Count
Maximum number of file handles
host4nodefilehandle,
d4nodefilehandle

Server - Process

Parameter
Metric Name
Unit
Description
Dimension
NodeIntrIntrTotal
System interrupts_intr_total
Interrupts/s
Number of system interrupts
host4nodeprocess,
id4nodeprocess
NodeSwitchesContext
SwitchesTotal
System context switches_context_switches_total
Switches/s
Number of system context switches
host4nodeprocess, id4nodeprocess
NodeProcsForksTotal
System processes_forks_total
Processes/s
Number of new system processes
host4nodeprocess,
id4nodeprocess
NodeProcsProcsRunning
System processes_procs_running
Processes/s
Number of running system processes
host4nodeprocess, id4nodeprocess
NodeProcsProcsBlocked
System processes_procs_blocked
Processes/s
Number of blocked system processes
host4nodeprocess,
id4nodeprocess
NodeProcsProcsTotal
System processes_procs_total
Processes/s
Total number of system processes
host4nodeprocess,
id4nodeprocess
NodeAgentVersion
Agentversion
Agent version_AgentVersion
version
Agent version
host4nodeprocess, id4nodeprocess

Overview of the Parameters in Each Dimension

Parameter Name
Dimension Name
Dimension Description
Format
Instances.N.Dimensions.0.Name
id4nodecpu
Dimension name of the EMR instance ID
String-type dimension name, such as id4nodecpu
Instances.N.Dimensions.0.Value
id4nodecpu
Specific EMR instance ID
Specific instance ID, such as emr-abcdef88
Instances.N.Dimensions.1.Name
host4nodecpu
Dimension name of the node IP in the EMR instance
String-type dimension name, such as host4nodecpu
Instances.N.Dimensions.1.Name
host4nodecpu
Specific node IP in the EMR instance
Specific node IP, such as 1.1.1.1
Instances.N.Dimensions.0.Name
id4nodememory
Dimension name of the EMR instance ID
String-type dimension name, such as id4nodememory
Instances.N.Dimensions.0.Value
id4nodememory
Specific EMR instance ID
Specific instance ID, such as emr-abcdef88
Instances.N.Dimensions.1.Name
host4nodememory
Dimension name of the node IP in the EMR instance
String-type dimension name, such as host4nodememory
Instances.N.Dimensions.1.Name
host4nodememory
Specific node IP in the EMR instance
Specific node IP, such as 1.1.1.1
Instances.N.Dimensions.0.Name
id4nodenetwork
Dimension name of the EMR instance ID
String-type dimension name, such as id4nodenetwork
Instances.N.Dimensions.0.Value
id4nodenetwork
Specific EMR instance ID
Specific instance ID, such as emr-abcdef88
Instances.N.Dimensions.1.Name
host4nodenetwork
Dimension name of the node IP in the EMR instance
String-type dimension name, such as host4nodenetwork
Instances.N.Dimensions.1.Name
host4nodenetwork
Specific node IP in the EMR instance
Specific node IP, such as 1.1.1.1
Instances.N.Dimensions.0.Name
id4nodefilehandle
Dimension name of the EMR instance ID
String-type dimension name, such as id4nodefilehandle
Instances.N.Dimensions.0.Value
id4nodefilehandle
Specific EMR instance ID
Specific instance ID, such as emr-abcdef88
Instances.N.Dimensions.1.Name
host4nodefilehandle
Dimension name of the node IP in the EMR instance
String-type dimension name, such as host4nodefilehandle
Instances.N.Dimensions.1.Name
host4nodefilehandle
Specific node IP in the EMR instance
Specific node IP, such as 1.1.1.1
Instances.N.Dimensions.0.Name
id4nodeprocess
Dimension name of the EMR instance ID
String-type dimension name, such as id4nodeprocess
Instances.N.Dimensions.0.Value
id4nodeprocess
Specific EMR instance ID
Specific instance ID, such as emr-abcdef88
Instances.N.Dimensions.1.Name
host4nodeprocess
Dimension name of the node IP in the EMR instance
String-type dimension name, such as host4nodeprocess
Instances.N.Dimensions.1.Name
host4nodeprocess
Specific node IP in the EMR instance
Specific node IP, such as 1.1.1.1

Input Parameters

EMR (Node) supports querying monitoring data based on the following five combinations of dimensions. The values for the input parameters are as follows:
1. To query the metric monitoring data of Server - CPU, use the following input parameters: &Namespace=QCE/TXMR_NODE &Instances.N.Dimensions.0.Name=id4nodecpu &Instances.N.Dimensions.0.Value=EMR instance ID &Instances.N.Dimensions.1.Name=host4nodecpu &Instances.N.Dimensions.1.Value=Specific node IP in the EMR instance
2. To query the metric monitoring data of Server - Memory, use the following input parameters: &Namespace=QCE/TXMR_NODE &Instances.N.Dimensions.0.Name=id4nodememory &Instances.N.Dimensions.0.Value=EMR instance ID &Instances.N.Dimensions.1.Name=host4nodememory &Instances.N.Dimensions.1.Value=Specific node IP in the EMR instance
3. To query the metric monitoring data of Server - Network, use the following input parameters: &Namespace=QCE/TXMR_NODE &Instances.N.Dimensions.0.Name=id4nodenetwork &Instances.N.Dimensions.0.Value=EMR instance ID &Instances.N.Dimensions.1.Name=host4nodenetwork &Instances.N.Dimensions.1.Value=Specific node IP in the EMR instance
4. To query the metric monitoring data of Server - Filehandle, use the following input parameters: &Namespace=QCE/TXMR_NODE &Instances.N.Dimensions.0.Name=id4nodefilehandle &Instances.N.Dimensions.0.Value=EMR instance ID &Instances.N.Dimensions.1.Name=host4nodefilehandle &Instances.N.Dimensions.1.Value=Specific node IP in the EMR instance
5. To query the metric monitoring data of Server - Process, use the following input parameters: &Namespace=QCE/TXMR_NODE &Instances.N.Dimensions.0.Name= id4nodeprocess &Instances.N.Dimensions.0.Value=EMR instance ID &Instances.N.Dimensions.1.Name=host4nodeprocess &Instances.N.Dimensions.1.Value=Specific node IP in the EMR instance
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