Icon

Executor_​Diagnostics_​v2024-06-06_​5.1

There has been no title set for this workflow's metadata.

There has been no description set for this workflow's metadata.

KNIME Diagnosing WorkflowMemory Cleanup: - Optionally, calls the garbage collector before collecting diagnosticsInformation Extraction: - System configuration, incl. system properties, KNIME features installed, ... - JVM arguments and runtime information - Extracts KNIME and Eclipse logs - Reports WorkflowJobs and the executor's JobPool memory usage - Dumps all threads, similar to jstack - Optionally dumps entire heap (disabled per default) - Collects OS-specific cpu and memory usageMemory Monitoring and Display: - Allows for monitoring the memory usage over a given duration (seconds) - Displays the usage stats in a Data App WARNING!(1) Depending on your configuration, this workflow might freeze the entire JVM for a couple of seconds,especially during the heap dump!(2) When selecting the OS-specific CPU and memory usage collection, be aware that this workflow startsexternal shell processes and reads from them!They are listed here: - Windows:> powershell -c "Get-Process | Sort-Object -Descending CPU | Select-Object -First 20"> powershell -c "systeminfo | Select-String Memory" - Linux:> top -b -n 3> cat /proc/loadavg> cat /proc/cpuinfo> cat /proc/meminfo> cat /proc/stat - MacOS:> top -l 3 -n 3> vm_stat Collect Diagnostics Configure Pre-DiagnoseGarbage Collection Pre-DiagnoseThread Dump KNIME Diagnosing WorkflowMemory Cleanup: - Optionally, calls the garbage collector before collecting diagnosticsInformation Extraction: - System configuration, incl. system properties, KNIME features installed, ... - JVM arguments and runtime information - Extracts KNIME and Eclipse logs - Reports WorkflowJobs and the executor's JobPool memory usage - Dumps all threads, similar to jstack - Optionally dumps entire heap (disabled per default) - Collects OS-specific cpu and memory usageMemory Monitoring and Display: - Allows for monitoring the memory usage over a given duration (seconds) - Displays the usage stats in a Data App WARNING!(1) Depending on your configuration, this workflow might freeze the entire JVM for a couple of seconds,especially during the heap dump!(2) When selecting the OS-specific CPU and memory usage collection, be aware that this workflow startsexternal shell processes and reads from them!They are listed here: - Windows:> powershell -c "Get-Process | Sort-Object -Descending CPU | Select-Object -First 20"> powershell -c "systeminfo | Select-String Memory" - Linux:> top -b -n 3> cat /proc/loadavg> cat /proc/cpuinfo> cat /proc/meminfo> cat /proc/stat - MacOS:> top -l 3 -n 3> vm_stat Collect Diagnostics Configure Pre-DiagnoseGarbage Collection Pre-DiagnoseThread Dump

Nodes

Extensions

Links

Download

To use this workflow in KNIME, download it from the below URL and open it in KNIME:

Download Workflow
Created by: leon.wenzler
Created at: 2023-03-15
On NodePit since: 2024-06-07
Last update: 2024-09-16
Created with KNIME version: v5.1.1

Deploy, schedule, execute, and monitor your KNIME workflows locally, in the cloud or on-premises – with our brand new NodePit Runner.

Try NodePit Runner!