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List: apache-modperl
Subject: RE: cache a object in modperl [EXT]
From: James Smith <js5 () sanger ! ac ! uk>
Date: 2020-09-16 11:38:49
Message-ID: 74aa3a95f15a4347a0b4cbe444f854b0 () sanger ! ac ! uk
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You can still have an always up service – but it will require a bit of work and a \
load balancing proxy set up in front of multiple apache instances. You can then \
restart each backend independently without an issue.
If the apaches are relatively lightweight you can run two on the same machine (e.g. \
on ports 8000 & 8001) and another one set up as a proxy on 80/443 which proxies back \
to these two.
I use this for a dev/live setup on a VM – where 8000 is live and 8001 is dev – \
and a lightweight apache proxies back to the other two…
From: Mithun Bhattacharya <mithnb@gmail.com>
Sent: 14 September 2020 06:49
To: mod_perl list <modperl@perl.apache.org>
Subject: Re: cache a object in modperl [EXT]
Haha I can't answer that - I work with systems which are always up. We have users \
working across the globe so there is no non-active time.
In my case I would have to throw an independent cache (my current choice is REDIS but \
you could chose a DB_File for all I know) and refresh it as needed - IANA I could hit \
every 30 min to check for update :)
On Mon, Sep 14, 2020 at 12:44 AM Wesley Peng \
<wpeng@pobox.com<mailto:wpeng@pobox.com>> wrote:
Mithun Bhattacharya wrote:
> Does IANA have an easy way of determining whether there is an update
> since a certain date ? I was thinking it might make sense to just run a
> scheduled job to monitor for update and then restart your service or
> refresh your local cache depending upon how you solve it.
Yes I agree with this.
I may monitor IANA's database via their version changes, and run a
crontab to restart my apache server during the non-active user time
(i.e, 3:00 AM).
Or do you have better solution?
Thanks.
--
The Wellcome Sanger Institute is operated by Genome Research
Limited, a charity registered in England with number 1021457 and a
company registered in England with number 2742969, whose registered
office is 215 Euston Road, London, NW1 2BE.
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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">You can still have an \
always up service – but it will require a bit of work and a load balancing proxy \
set up in front of multiple apache instances. You can then restart each backend \
independently without an issue.<br>
<br>
If the apaches are relatively lightweight you can run two on the same machine (e.g. \
on ports 8000 & 8001) and another one set up as a proxy on 80/443 which proxies \
back to these two.<br> <br>
I use this for a dev/live setup on a VM – where 8000 is live and 8001 is dev – \
and a lightweight apache proxies back to the other two…<o:p></o:p></span></p> <p \
class="MsoNormal"><span \
style="mso-fareast-language:EN-US"><o:p> </o:p></span></p> <div \
style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm"> <p \
class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Mithun \
Bhattacharya <mithnb@gmail.com> <br>
<b>Sent:</b> 14 September 2020 06:49<br>
<b>To:</b> mod_perl list <modperl@perl.apache.org><br>
<b>Subject:</b> Re: cache a object in modperl [EXT]<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">Haha I can't answer that - I work with systems which are always \
up. We have users working across the globe so there is no non-active \
time.<o:p></o:p></p> <div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">In my case I would have to throw an independent cache (my \
current choice is REDIS but you could chose a DB_File for all I know) and refresh it \
as needed - IANA I could hit every 30 min to check for update :)<o:p></o:p></p> \
</div> </div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div>
<p class="MsoNormal">On Mon, Sep 14, 2020 at 12:44 AM Wesley Peng <<a \
href="mailto:wpeng@pobox.com">wpeng@pobox.com</a>> wrote:<o:p></o:p></p> </div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm \
6.0pt;margin-left:4.8pt;margin-right:0cm"> <p class="MsoNormal"><br>
<br>
Mithun Bhattacharya wrote:<br>
> Does IANA have an easy way of determining whether there is an update <br>
> since a certain date ? I was thinking it might make sense to just run a <br>
> scheduled job to monitor for update and then restart your service or <br>
> refresh your local cache depending upon how you solve it.<br>
<br>
Yes I agree with this.<br>
I may monitor IANA's database via their version changes, and run a <br>
crontab to restart my apache server during the non-active user time <br>
(i.e, 3:00 AM).<br>
<br>
Or do you have better solution?<br>
Thanks.<o:p></o:p></p>
</blockquote>
</div>
</div>
--
The Wellcome Sanger Institute is operated by Genome Research
Limited, a charity registered in England with number 1021457 and a
company registered in England with number 2742969, whose registered
office is 215 Euston Road, London, NW1 2BE.
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