DotNetNuke

Re: Optimizng DNN for speed - Please contribute

plippard — Thu, 23 Feb 2006 16:57:09 GMT

I find that the following product is also very effective at ensuring critical application resources are loaded and active when needed within an IIS/ DNN environment. In shared hosting environments users simply do not have the freedom of tuning IIS performance.... and this type of product can be quite useful... Click on URL below...

http://www.snowcovered.com/Snowcovered2/Default.aspx?tabid=242&PackageID=3894&search=webkeepalive&pagenumber=0&sortby=&tagid=

Re: Optimizng DNN for speed - Please contribute

RockyMoore — Thu, 13 Oct 2005 21:03:40 GMT

gille001 wrote:
...Everyone knows that the worst part about an ASP.NET web application is the hit which the first user takes when the app tries to load all the associated dlls into memory. If that app is constantly being unloaded, then that means that the majority of your first time visitors are waiting for the app to load (upwards of 1-2 minutes in some hosting environments)....

If you have access to IIS manager, you can set this so the application does not close after a period of time. I have my sites recycle specifically at 3 a.m. just for cleanup, but you do not have to.

Re: Optimizng DNN for speed - Please contribute

slope — Thu, 13 Oct 2005 20:31:11 GMT

Great Thread:-)

Must repeat myself one more time. I have gotten some critic for this before, but in MHO
a rule of thumb is to keep skin less then 10k. 5k if possible. I have done this several time for clients, and the sites still looks good.
Zero out portal.css is great too.

The clue is to use less graphics, and go crazy with the css. Remove whitespaces, but also write it like if you are stingy.
If you have same setting for all sides of a div do not put margin 20 20 20 20. It goes 12, 3, 6, and 9 o'clock.(top, right, bottom left)
And when browser read if only one value browser assumes the same for all sides. For complex css's you can save some valuable k's here too.

Also remember to keep the application running. Get the default page to load about every 10 minutes, and asp.net does not go to sleep.

HTTP compression have made some error for me, so I am not rady to use it yet.

Pls let me know of others who use it, maybe a link?

Re: Optimizng DNN for speed - Please contribute

gille001 — Thu, 13 Oct 2005 00:13:48 GMT

Something that I found right off is that many hosting providers have IIS/ASP.NET configured to auto-unload an app after 3 minutes of inactivity. This reduces the memory overhead on the web/app servers in a shared environment. So, what I have always done is to setup an automatic page load (from another remote computer) to "ping" the page every 2.5 minutes (at least less than the 3 minute threshold). This keeps most of the main components (dlls) of the app in memory, and keeps it from unloading.

Everyone knows that the worst part about an ASP.NET web application is the hit which the first user takes when the app tries to load all the associated dlls into memory. If that app is constantly being unloaded, then that means that the majority of your first time visitors are waiting for the app to load (upwards of 1-2 minutes in some hosting environments).

I also noticed that DNN has a "keepalive.aspx" page that you can "ping" and it only returns the server current date/time. This way you don't throw away all of your bandwidth in downloading the entire default.aspx page.

There are some free services, and some pay for services. We use a product called "ActiveXperts" which has a web page "ping" utility built-in. Plus it has some prett good monitoring and alert mechanisms as well. I think it is worth the price if you build or host several sites and want to keep tabs on them.

Re: One possible solution to file corruption with IIS compression enabled

hooligannes97 — Wed, 12 Oct 2005 16:04:28 GMT

I have compiled and organized suggestions and resources from this thread so it helps others too. You can find it here. If you have more suggestions please contact me so I can keep adding them.

One possible solution to file corruption with IIS compression enabled

hooligannes97 — Wed, 12 Oct 2005 13:57:52 GMT

I found this while roaming the MSKB: IIS 6.0: Antivirus Scanning of IIS Compression Directory May Result in 0-Byte File

Re: Optimizng DNN for speed - Please contribute

mathisjay — Tue, 11 Oct 2005 19:39:33 GMT

More optimizations:

1) Make you've only enabled necessary schedule items e.g. if you're not the search engine functionality, disable the SearchEngineScheduler etc. These settings can be found in Host->Schedule

2) If you're not using usersonline make sure it's unchecked in Host->Host Settings

3) If you're not using the sitelog (i.e.if you're using offline statistics such as webtrends), disable it by setting it to site log history to 0. If you do have to use it, consider setting it's site log buffer to a value other than 1. This will cache the results, and only write periodically to the database. You risk losing some data i.e. if you have it set to 10, and at 8, you upload a new dll, the application will recycle, and you will lost those 8 records, but it does save a lot of database writes.

Re: Optimizng DNN for speed - Please contribute

bbhermann — Tue, 11 Oct 2005 17:46:17 GMT

RockyMoore wrote:

Not sure, but could it be a DNN problem? I have site with some zips on it for download (non DNN) with no problems. Have not tried a download like on a DNN site though, but so far, no site I have seems to have any problem with corrupt files. I do not include jpg or zip in the compression settings.

no, sharepoint has thsi prob. too. we also didn't add zip files (,...) to the compr. files; we get them correct via the full url.
problem ist, if a aspx file "starts" (javascript postback) the download. than it is reg. as dynamic.

Re: Optimizng DNN for speed - Please contribute

mathisjay — Tue, 11 Oct 2005 17:44:34 GMT

One thing I have noticed is that the majority of the core modules use late binding expressions such

"<%# Databinder.Eval(Container.DataItem, "Name") %>"

to render data which uses reflection and is very slow. Since alot of people use DNN as a way to learn ASP.NET, I think we are teaching people the slow performance way to build modules.

It would be good to have some examples that don't use reflection to bind data to datagraids, datalists, and repeaters.

Re: Optimizng DNN for speed - Please contribute

WEBPC — Tue, 11 Oct 2005 11:59:35 GMT

Has anyone (who is having the problem) posted in the IIS forum about the issues of files being corrupted after configuring IIS compression? I did a search but didn't come up with anything.

If not it would be helpful to get that forum's feedback.

I have implemented the compression in IIS per the doc previously in this thread on a development machine and at present am not seeing corrupted files.

Antony

Re: Optimizng DNN for speed - Please contribute

RockyMoore — Tue, 11 Oct 2005 07:55:11 GMT

bbhermann wrote:

having the same problem; >> corrupt jpg, zip, ... ; seam to be a iis 6 bug. reason is, when dnn (also sharepoint) do the postback for a download. not yet any solution.

Not sure, but could it be a DNN problem? I have site with some zips on it for download (non DNN) with no problems. Have not tried a download like on a DNN site though, but so far, no site I have seems to have any problem with corrupt files. I do not include jpg or zip in the compression settings.

Re: Optimizng DNN for speed - Please contribute

mathisjay — Mon, 10 Oct 2005 22:26:01 GMT

Ah, sorry. Didnt know you meant for IIS6. I assume there is a similar exclusion method for IIS6 but I don't know what it is. I have heard that correctly setting up dynamic compression for IIS6 is not as simple as it looks though.

Re: Optimizng DNN for speed - Please contribute

bbhermann — Mon, 10 Oct 2005 22:02:03 GMT

thank you; so i have to use blowery and can't use the built in iis 6 function?

Re: Optimizng DNN for speed - Please contribute

mathisjay — Mon, 10 Oct 2005 21:50:59 GMT

Use the following in your web.config to avoid corruption

<blowery.web>

</excludedMimeTypes>

</excludedPaths>

</httpCompress>

</blowery.web>

Re: Optimizng DNN for speed - Please contribute

bbhermann — Mon, 10 Oct 2005 21:26:07 GMT

DeveloperMCDBA wrote:

for those of you who have enabled compression on your iis6, have you noticed file downloads once downloaded by users are corrupt?

in the metabase file, I specified ascx, aspx, etc., but not zips, but zips are now corrupt.

any advice?

having the same problem; >> corrupt jpg, zip, ... ; seam to be a iis 6 bug. reason is, when dnn (also sharepoint) do the postback for a download. not yet any solution.