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Date: Wed, 20 Apr 2016 13:06:42 +0100
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 <CAO9-Pr7vcZDb5nDZbJEWo2Ad2NO2=c4zsfaAgQ7u3TuzrCzgag@mail.gmail.com>
From: Wayne W <waynemailinglists@gmail.com>
To: users@httpd.apache.org
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Subject: [users@httpd] Re: Apache ProxyPass locking all requests to balancer

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Hi anyone got any ideas on this?

thanks

On Mon, Apr 11, 2016 at 4:37 PM, Wayne W <waynemailinglists@gmail.com>
wrote:

> Hi,
>
> Perhaps this is default behaviour but its not what I was expecting. I have
> the following conf on Apache 2.4
>
> <VirtualHost *:80>
>  ServerName somedomain.com
>  ProxyPass /share http://127.0.0.1:8181/share
>
>  ProxyPass / balancer://cluster/ stickysession=JSESSIONID nofailover=Off
>
>  # define the balancer, with http and/or ajp connections
>  <Proxy balancer://cluster/>
>       Order allow,deny
>       Allow from all
>       BalancerMember ajp://127.0.0.1:8010 route=g1
>       BalancerMember ajp://127.0.0.1:8011 route=g2
>  </Proxy>
> </VirtualHost>
>
> With this setup I have 2 tomcat instances being load balanced and a jetty
> instance which handles all requests via ProxyPass mounted to /share
>
> I had an issue in production today where the jetty instance became
> unresponsive (garage collection/out of memory). However it also stopped all
> requests going to the 2 tomcat instances.
>
> Does apache not handle this case? ie keep forwarding/load balancing
> request even if one of the proxypass becomes unresponsive?
>

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<div dir=3D"ltr">Hi anyone got any ideas on this?<div><br></div><div>thanks=
</div></div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Mo=
n, Apr 11, 2016 at 4:37 PM, Wayne W <span dir=3D"ltr">&lt;<a href=3D"mailto=
:waynemailinglists@gmail.com" target=3D"_blank">waynemailinglists@gmail.com=
</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin=
:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr">H=
i,<div><br></div><div><div>

<p>Perhaps this is default behaviour but its not what I was expecting. I ha=
ve the following conf on Apache 2.4</p>

<pre><code>&lt;VirtualHost *:80&gt;
 ServerName <a href=3D"http://somedomain.com" target=3D"_blank">somedomain.=
com</a>
 ProxyPass /share <a href=3D"http://127.0.0.1:8181/share" target=3D"_blank"=
>http://127.0.0.1:8181/share</a>

 ProxyPass / balancer://cluster/ stickysession=3DJSESSIONID nofailover=3DOf=
f

 # define the balancer, with http and/or ajp connections
 &lt;Proxy balancer://cluster/&gt;
      Order allow,deny
      Allow from all
      BalancerMember ajp://<a href=3D"http://127.0.0.1:8010" target=3D"_bla=
nk">127.0.0.1:8010</a> route=3Dg1
      BalancerMember ajp://<a href=3D"http://127.0.0.1:8011" target=3D"_bla=
nk">127.0.0.1:8011</a> route=3Dg2
 &lt;/Proxy&gt;
&lt;/VirtualHost&gt;
</code></pre>

<p>With this setup I have 2 tomcat instances being load balanced and a=20
jetty instance which handles all requests via ProxyPass mounted to=20
/share</p>

<p>I had an issue in production today where the jetty instance became=20
unresponsive (garage collection/out of memory). However it also stopped=20
all requests going to the 2 tomcat instances. </p>

<p>Does apache not handle this case? ie keep forwarding/load balancing requ=
est even if one of the proxypass becomes unresponsive?</p></div></div></div=
>
</blockquote></div><br></div>

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