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Moderators: martimiz, Sean, biapar, Willr, Ingo, simon_w

Poor response times - slow speed


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12 Posts   3453 Views

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Pottsy

8 October 2008 at 2:49pm Community Member, 19 Posts

Hi

I have a site www.imageslasertek.co.nz which I am well down the track of developing for a customer.

He is complaining the response times can be very slow ie over 60 seconds and more to load each new page. The speeds can vary from being adequate to excessively slow and I am unbale to tell whether this is due to internet speed issues, server load problems or simply silverstripe is dragging its heels loading the pages.

The server is a linux based server.

I have found reference to xcache as a solution which I am investigating further. Can someone please suggest some ideas of how to improve the response times.

Many thanks

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Blackdog

8 October 2008 at 3:47pm Community Member, 156 Posts

have you setup the silverstripe-cache folder?

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Pottsy

8 October 2008 at 4:06pm Community Member, 19 Posts

I have the silverstripe-cache folder created and it appears to be being used by the system

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Blackdog

8 October 2008 at 4:12pm Community Member, 156 Posts

well it isn't slow here.

I am getting 2-3 second page loads.

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Pottsy

8 October 2008 at 4:33pm Community Member, 19 Posts

Hmmmmm.

I am suspecting the problem is ISP related, but am having difficulty proving it to be able to satisfy my customer who is best descibed as technologically challenged. Trying to explain to him things like ISP, server performance, Silverstripe performance and the difference between them is very challenging to get him to understand.

Thanks for your input. I would appreciate anyones comments and where they are and their ISP should they be interested.

Many thanks

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Ingo

1 November 2008 at 11:18am Forum Moderator, 801 Posts

XCache generally improves script performance in SilverStripe by an order of 2x to 5x from our experience, so its definetly worth pursuing. As for testing the performance, have you heard of "ab" tool (Apache Benchmark)?

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Pottsy

3 November 2008 at 8:28am Community Member, 19 Posts

No

Where should I look for it?

Cheers Neil

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Double-A-Ron

3 November 2008 at 10:51am (Last edited: 3 November 2008 10:57am), Community Member, 604 Posts

I have loaded the site 6 times with the following speeds given to me by Yslow:

(seconds)
3.4 - first load
1.9
1.8
1.4
1.2
1.3

I don't see an issue on the SS/Server side of things. I think your client's complaints are connection based if they are reporting up to a minute load times.

I think your time is better spent addressing that first, as no mods you make to the site will seem reasonable to the client if the rest of us are already seeing reasonable response times.

Surely they have similar delays loading most sites if it is their ISP. If not, it may be a DNS issue with thier ISP or manual DNS settings.

I'm in NZ, and our ISP is Horizon.

Cheers
Aaron

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