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DocumentationElastic MapReduce EMR on CVM Operation GuideMonitoring and AlarmsMonitoring MetricsTrino Monitoring Metrics
Trino Monitoring Metrics
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Last updated: 2023-12-27 14:50:38
Trino Monitoring Metrics
Last updated: 2023-12-27 14:50:38
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Trino - Overview

Title
Metric
Unit
Description
Nodes
Active
-
Number of active nodes
Total
-
Total number of nodes
Failed
-
Number of failed nodes
Query
RunningQueries
-
Total number of running queries
QueuedQueries
-
Total number of waiting queries
Query frequency
FailedQueries
count/min
Total number of failed queries
AbandonedQueries
count/min
Total number of abandoned queries
CanceledQueries
count/min
Total number of canceled queries
CompletedQueries
count/min
Total number of completed queries
StartedQueries
count/min
Total number of started queries
Data volume input/output per minute
InputDataSizeOneMinute
GB/min
Data input rate
OutputDataSizeOneMinute
GB/min
Data output rate

Trino - worker

Title
Metric
Unit
Description
GC count
YGC
-
Young GC count
FGC
-
Full GC count
GC time
FGCT
s
Full GC time
GCT
s
Garbage collection time
YGCT
s
Young GC time
Memory zone proportion
S0
%
Percentage of used Survivor 0 memory
E
%
Percentage of used Eden memory
CCS
%
Percentage of used compressed class space memory
S1
%
Percentage of used Survivor 1 memory
O
%
Percentage of used Old memory
M
%
Percentage of used Metaspace memory
JVM memory
MemNonHeapUsedM
MB
Size of NonHeapMemory currently used by JVM
MemNonHeapCommittedM
MB
Size of NonHeapMemory currently committed by JVM
MemHeapUsedM
MB
Size of HeapMemory currently used by JVM
MemHeapCommittedM
MB
Size of HeapMemory currently committed by JVM
MemHeapMaxM
MB
Size of HeapMemory configured by JVM
MemHeapInitM
MB
Size of initial JVM HeapMem
MemNonHeapInitM
MB
Size of initial JVM NonHeapMem
Data input/output rate
InputDataSize.OneMinute.Rate
GB/min
Data input rate
OutputDataSize.OneMinute.Rate
GB/min
Data output rate
Worker threads
PeakThreadCount
-
Peak number of threads
ThreadCount
-
Number of threads
DaemonThreadCount
-
Number of backend threads
Process execution duration
Uptime
s
Process execution duration
File descriptors
MaxFileDescriptorCount
-
Maximum number of file descriptors
OpenFileDescriptorCount
-
Number of opened file descriptors

Trino - coordinator

Title
Metric
Unit
Description
GC count
YGC
-
Young GC count
FGC
-
Full GC count
GC time
FGCT
s
Full GC time
GCT
s
Garbage collection time
YGCT
s
Young GC time
Memory zone proportion
S0
%
Percentage of used Survivor 0 memory
E
%
Percentage of used Eden memory
CCS
%
Percentage of used compressed class space memory
S1
%
Percentage of used Survivor 1 memory
O
%
Percentage of used Old memory
M
%
Percentage of used Metaspace memory
JVM memory
MemNonHeapUsedM
MB
Size of NonHeapMemory currently used by JVM
MemNonHeapCommittedM
MB
Size of NonHeapMemory currently committed by JVM
MemHeapUsedM
MB
Size of HeapMemory currently used by JVM
MemHeapCommittedM
MB
Size of HeapMemory currently committed by JVM
MemHeapMaxM
MB
Size of HeapMemory configured by JVM
MemHeapInitM
MB
Size of initial JVM HeapMem
MemNonHeapInitM
MB
Size of initial JVM NonHeapMem
Worker threads
PeakThreadCount
-
Peak number of threads
ThreadCount
-
Number of threads
DaemonThreadCount
-
Number of backend threads
Process execution duration
Uptime
s
Process execution duration
Process start time
StartTime
s
Process start time
File descriptors
MaxFileDescriptorCount
-
Maximum number of file descriptors
OpenFileDescriptorCount
-
Number of opened file descriptors

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