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From Paul Beckett <paul_beck...@outlook.com>
Subject RE: [users@httpd] Disk Cache with multiple virtual hosts
Date Thu, 20 Jun 2013 06:22:20 GMT



Thanks for the responses.
I am probably looking at caching in excess of 100Gb data. The two main reasons I have for
caching the data are:1) Performance (not always proxying back to a much slower web application)2)
Availability (Apache should be able to serve a very large proportion of the site, when web
application is unavailable).
I therefore want to get Apache to cache everything (that's not authenticated / personalised),
swapping the majority of it out to swap disk, but keeping the popular URLs in memory.
Cheers,Paul

Date: Thu, 20 Jun 2013 10:50:15 +0530
From: rishu@meddiff.com
To: users@httpd.apache.org
Subject: Re: [users@httpd] Disk Cache with multiple virtual hosts

Hello,
I am using a software(HTTP Debugger) to keep an eye on https connection and request stream.In
that i can able to see the login and password.

Refer to attached screenshots.

On Thu, Jun 20, 2013 at 10:00 AM, David Guerra <imdavidguerra@gmail.com> wrote:

Are you using the URL for login details and things of that nature?
Https will encrypt the connection, it would encrypt a URL. 


On Thursday, June 20, 2013, Rishu Ranjan  wrote:

Hello 
I am using SSL suuport in apache for my application but URL is not encrypted.
Any suggestion how can URL be encrypted so that credential can't be seen. 




On Thu, Jun 20, 2013 at 2:27 AM, Igor Cicimov <icicimov@gmail.com> wrote:




On 20/06/2013 1:07 AM, "Paul Beckett" <paul_beckett@outlook.com> wrote:

>

> Can mem_cache be configured to cache way more than you have memory, and swap out to disk
for whatever is least popular?

>

No but how much cache do you need? On the heavy load prod servers we were using 1GB mem cache.
Most of the caching is done on the client side anyway.

> ________________________________

> Date: Wed, 19 Jun 2013 09:11:16 +1000

> From: icicimov@gmail.com

> To: users@httpd.apache.org

> Subject: Re: [users@httpd] Disk Cache with multiple virtual hosts

>

>

>

> On 18/06/2013 5:21 PM, "Paul Beckett" <paul_beckett@outlook.com> wrote:

> >

> > I've read the Apache 2.4 caching guide, mod_cache and mod_cache_disk pages, but
am unsure whether I need a unique CacheRoot for each virtual host, or whether multiple virtual
hosts can/should share the same CacheRoot?





> >

> > Also I'm thinking of setting the CacheRoot to be a tmpfs mount (effectively a ramdisk
that will page out to swap space if theres not enough ram to cache everything).

>

> Why not mem cache then? Why would you bother with ramdisk if you want to cache in memory?

>

> If I'm using a unique CacheRoot (a sub-directory in the tmpfs mount), is there anyway
to configure Apache to create the CacheRoot directory if it doesn't already exist? If anyone
has any thoughts / recommendations / tips in this regards to this approach I would be grateful
to here them.





> >

> > Thanks,

> > Paul



-- 
Thanks and Regards
Rishu Ranjan
Software Engineer
 
Meddiff Technologies Pvt. Ltd. (Formerly known as MedSphere Technologies Pvt. Ltd.)Salarpuria
Palladium,
#2021, 100 ft. Road, 3rd Floor,
HAL 2nd Stage, Bangalore 560 038



Karnataka, INDIA
Phone No: +91-80-65350192 / 64514222 / 41650860
Mob No: +91-8147030460
EFax:  +91-80-66885510
Tele Fax: +91-80-25200427
rishu@meddiff.com


www.meddiff.com
 
This email is intended only for the person to whom it is addressed and/or otherwise authorized
personnel. The information contained herein and attached is confidential and the property
of Meddiff Technologies Pvt. Ltd. If you are not the intended recipient, please be advised
that viewing this message and any attachments, as well as copying, forwarding, printing, and
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of the author and do not necessarily reflect those of the company. While antivirus protection
tools have been employed, you should check this email and attachments for the presence of
viruses. No warranties or assurances are made in relation to the safety and content of this
email and attachments. Meddiff Technologies Pvt. Ltd. accepts no liability for any damage
caused by any virus transmitted by or contained in this email and attachments. No liability
is accepted for any consequences arising from this email. 






-- 
Take Care,
David Guerrahttp://frustratedtech.com/




-- 
Thanks and Regards
Rishu Ranjan
Software Engineer
 
Meddiff Technologies Pvt. Ltd. (Formerly known as MedSphere Technologies Pvt. Ltd.)Salarpuria
Palladium,
#2021, 100 ft. Road, 3rd Floor,
HAL 2nd Stage, Bangalore 560 038

Karnataka, INDIA
Phone No: +91-80-65350192 / 64514222 / 41650860
Mob No: +91-8147030460
EFax:  +91-80-66885510
Tele Fax: +91-80-25200427
rishu@meddiff.com

www.meddiff.com
 
This email is intended only for the person to whom it is addressed and/or otherwise authorized
personnel. The information contained herein and attached is confidential and the property
of Meddiff Technologies Pvt. Ltd. If you are not the intended recipient, please be advised
that viewing this message and any attachments, as well as copying, forwarding, printing, and
disseminating any information related to this email is prohibited, and that you should not
take any action based on the content of this email and/or its attachments. If you received
this message in error, please contact the sender and destroy all copies of this email and
any attachment. Please note that the views and opinions expressed herein are solely those
of the author and do not necessarily reflect those of the company. While antivirus protection
tools have been employed, you should check this email and attachments for the presence of
viruses. No warranties or assurances are made in relation to the safety and content of this
email and attachments. Meddiff Technologies Pvt. Ltd. accepts no liability for any damage
caused by any virus transmitted by or contained in this email and attachments. No liability
is accepted for any consequences arising from this email. 


 		 	   		  
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