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List: apache-httpd-users
Subject: RE: [users@httpd] How to keep httpd balancer scoreboard persistant when MaxConnectionsPerChild set t
From: "Chen, Mengchang" <mengchang.chen () jpmchase ! com ! INVALID>
Date: 2019-03-12 14:03:34
Message-ID: ce463364203749afbe6a70a6691df302 () SEGEX098 ! exchad ! jpmchase ! net
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We have tried this directive, BalancerPersist set to On, but it doesn't solve our \
problem. Our issue is when httpd child process recycled, the data associated with \
load balancing algorithm are lost and reset.
From: Yann Ylavic [mailto:ylavic.dev@gmail.com]
Sent: Tuesday, March 12, 2019 8:28 AM
To: users@httpd.apache.org
Subject: Re: [users@httpd] How to keep httpd balancer scoreboard persistant when \
MaxConnectionsPerChild set to non-zero?
On Tue, Mar 12, 2019 at 2:01 PM Chen, Mengchang
<mengchang.chen@jpmchase.com<mailto:mengchang.chen@jpmchase.com>.invalid> wrote:
>
> Isn't it the mod_proxy_balancer using mod_slotmem_shm to share data regarding to \
> balancer within httpd processes? If httpd child process \
> recycled(MaxConnectionsPerChild set to non-zero), why is data related to balancer \
> lost?
You may want: https://httpd.apache.org/docs/2.4/en/mod/mod_proxy.html#balancerpersist< \
https://secureweb.jpmchase.net/readonly/https:/httpd.apache.org/docs/2.4/en/mod/mod_proxy.html#balancerpersist>
Regards,
Yann.
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<p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">We \
have tried this directive, BalancerPersist set to On, but it doesn't solve our \
problem. Our issue is when httpd child process recycled, the data associated \
with load balancing algorithm are lost and reset. <o:p></o:p></span></p> <p \
class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span \
style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span \
style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Yann Ylavic \
[mailto:<a href="mailto:ylavic.dev@gmail.com">ylavic.dev@gmail.com</a>] <br>
<b>Sent:</b> Tuesday, March 12, 2019 8:28 AM<br>
<b>To:</b> <a href="mailto:users@httpd.apache.org">users@httpd.apache.org</a><br>
<b>Subject:</b> Re: [users@httpd] How to keep httpd balancer scoreboard persistant \
when MaxConnectionsPerChild set to non-zero?<o:p></o:p></span></p> <p \
class="MsoNormal"><o:p> </o:p></p> <p class="MsoNormal" \
style="margin-bottom:12.0pt"><span style="font-family:"Courier \
New"">On Tue, Mar 12, 2019 at 2:01 PM Chen, Mengchang<br>
<<a href="mailto:mengchang.chen@jpmchase.com">mengchang.chen@jpmchase.com</a>.invalid> wrote:<br>
><br>
> Isn't it the mod_proxy_balancer using mod_slotmem_s \
hm to share data regarding to balancer within \
httpd processes? If httpd child process recycled(M \
axConnectionsPerChild set to non-zero), why is data related to balancer lost?<br>
<br>
You may want: <a \
href="https://httpd.apache.org/docs/2.4/en/mod/mod_proxy.html#balancerpersist">https://httpd.apache.org/docs/2.4/en/mod/mod_proxy.html#balancerpersist</a><br>
<br>
Regards,<br>
Yann.<br>
<br>
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