RE: Apache process crashes, utilizing high memory

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Hi Nigel,

 

Thank you for prompt reply.

The apache version we are using is : Apache/2.4.10 (Debian)

 

Are you having any idea, whether the below memory leak issue is resolved in any of the latest releases of apache?

 

Thanks

Arnav

 

From: Nigel B. Peck [mailto:nigelbpeck@xxxxxxxxx]
Sent: Thursday, August 22, 2019 11:10 AM
To: users@xxxxxxxxxxxxxxxx
Subject: Re: [users@httpd] Apache process crashes, utilizing high memory

 

On Thu, 22 Aug 2019 at 12:02 am, Arnav Garg <arnav.garg@xxxxxxxxxxxxx> wrote:

Hi Nigel,

 

Thanks for your prompt reply.

Can you please help me in clarifying some of my doubts?

1.       What is the significance of setting MaxConnectionsPerChild to a value between 1-100 ?

2.       What are the possible reasons for not setting MaxConnectionsPerChild to a high value, greater than 100 ?

It specifies the number of connections that a child process will serve before being closed and a new one spawned. Having it as 0 means there’s no limit so they just keep running.

 

I’m suggesting 100 because it seems you have a memory leak, so looking to make sure they are restarted before that takes up too much memory. The cost is the overhead of spawning a new process every X number of connections.

 

If you set it higher then your memory leak will have more effect.

 

Best thing is to set it and then monitor and load test the server to get data to guide decisions on what works for your situation. And identify and fix the memory leak :)

 

Hope that helps.

 

Nigel

 

Web Technologies and Linux Admin Mentor

 

 

 


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