https://bz.apache.org/bugzilla/show_bug.cgi?id=64100

            Bug ID: 64100
           Summary: Windows Server, Apache 32bit httpd child process
                    restarts every few minutes: “[crit] Memory allocation
                    failed, aborting process”
           Product: Apache httpd-2
           Version: 2.4.35
          Hardware: PC
            Status: NEW
          Severity: major
          Priority: P2
         Component: All
          Assignee: [email protected]
          Reporter: [email protected]
  Target Milestone: ---

Hi,
We have Apache 32bit httpd child process that restarts (non-zero exit status)
every few minutes followed by a message: "[crit] Memory allocation failed,
aborting process".

Usually there is also another message that comes just before or after the
memory allocation message: "AH00326: Server ran out of threads to serve
requests. Consider raising the ThreadsPerChild setting"

We also see that if the load is very low then the issue does not occure.
We thought to increase first the ThreadsPerChild to a higher number but we're
not sure it is related to the restart since child process should not
restart/crash if limit is reached, but only deny the service until available.

The main question here is: what can cause the memory allocation failure.

Thanks,
Kobi

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