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Workspace Instana
Categories Infrastructure Sensor
Created by Guest
Created on Oct 23, 2024

RELATED IDEAS

Monitor Processes that are in zombie State

REF : https://www.ibm.com/docs/en/instana-observability/current?topic=technologies-monitoring-os-process#process-abnormal-termination

Instana does Monitor Process Abnormal Termination, but does not seams to monitor processes that are in zombie state . This could be a good enhancement as Zombie State process can cause issue 

Idea priority Low
  • Admin
    Aysha Kanakkovil
    Oct 10, 2025

    Hi @Guest Based on the available information on this Aha! idea, it's unclear whether the customer is referring to a zombie or an orphan process. These two are often confused, but they behave differently and require different approaches for investigation.
    Just to clarify:

    • A zombie process is one that has already terminated, but still appears in the process table as <defunct>. This usually occurs when the parent process has not yet called wait() to read the child's exit status. They remain in the process table until the parent reaps them. If the parent itself terminates, the OS (via init or PID 1) automatically cleans up the zombie, removing it from the table.

    • An orphan process is a process that is still running, but whose parent process has exited. In this case, the orphan is reparented to init (PID 1) and continues to execute normally. Orphan processes are not necessarily an issue unless they were not meant to be left running.

    Could you please confirm which type of process are you are referring to?

    Reply
  • Guest
    Sep 17, 2025

    Hello,

    Any update regarding this?

    Reply
  • Admin
    Rodoljub Radivojevic
    Feb 3, 2025

    This is not on the roadmap for the first half of 2025. It will be reevaluated afterward based on shifting priorities.

    Reply

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