Technologies/Apache Spark/teradata.cpu.utilization
Apache SparkApache SparkMetric

teradata.cpu.utilization

CPU utilization percentage across cluster nodes
Dimensions:None

Technical Annotations (18)

Error Signatures (2)
OUT_OF_SPACEerror code
Cannot perform transaction: out of disk space at tabletlog pattern
CLI Commands (5)
Look for performance indicators such as CPU usage, I/O usage, missing SLAs (Service Level Agreements), UI (Unnecessary IO), PJI (Product Join Indicator)diagnostic
ps -Ao user,uid,pid,pcpu,tty,args --sort=-pcpu | head -n 6diagnostic
top -H -p 20421 -b -n1 > threads.logdiagnostic
jstack 20421 | grep -i "0x50dc"diagnostic
top -H -p 20421diagnostic
Technical References (11)
batch poolcomponentthread poolcomponentLSM compactionconceptdefragmentationconceptstorage groupcomponentProduct Join IndicatorconceptDBQLcomponentexplain plancomponentImpactCPUconceptskewconceptcrontabcomponent
Related Insights (8)
Thread pool auto-configuration reduces resources to minimum when long tasks block completioncritical
▸
Production clusters require minimum 16 vCPUs per nodeinfo
▸
High Product Join Indicator causes excessive CPU usagewarning
▸
High ImpactCPU indicates significant skewing degrading performancewarning
▸
Consistently high CPU usage indicates query inefficiencieswarning
▸
Hardware resource saturation causes query response spikecritical
▸
Server becomes inaccessible during high CPU incidentswarning
▸
Multi-core CPU utilization requires contextual interpretationinfo
▸