Slow Downloads since 2.3.7.0 upgrade

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10/13/2011 3:54:45 PM

bonhamrl

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Robert

Slow Downloads since 2.3.7.0 upgrade

I'm trying to troubleshoot a problem we're having with our mojo installation at work.

Since the 2.3.7.0 upgrade, our outside users are experiencing very slow downloads.

This was a upgrade from 2.3.5.8 to 2.3.7.0 (and install of the Mobile Kit Pro), server 2003 (up to date), IIS 6

I made changes to the neatUpload section of the the web.config (full trust) to help uploading our larger files (125-150 mb)

Can anyone think of anything tied to a upgrade that might cause the sudden slowdown of downloads for our users? Anybody else have this problem?

This was a in place upgrade of an existing site, and I made no changes to IIS and bandwidth trottling is not turned on in IIS

Thanks for any help on this

Robert

*** Update ***

After testing from home, I'm getting slow, but acceptable download speed (128mbs), but I'm still not getting successful downloads of larger files (50mb+). I keep getting file download interrupted in Chrome

Robert

10/14/2011 6:24:14 AM

Joe Audette

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Re: Slow Downloads since 2.3.7.0 upgrade

Hi Robert,

You might try increasing the maxNormalRequestLength, but other than that NeatUpload is only for uploads, not for downloads.

I'd also look at the executionTimeout setting on the <httpRuntime element.

Downloads may be handled in different ways, features like the Shared Files feature will write files into the response, whereas if you are downloading files directly from the file system by url, the download request will be handled directly by IIS. So knowing what files you are downloading and how would be helpful.

I'm about to get on the road and will be traveling most of the day so will be offline, but I would look for any clues such as errors in the mojoportal system log that correspond with the failed downloads.

Best,

Joe

10/14/2011 8:54:17 AM

bonhamrl

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Robert

Re: Slow Downloads since 2.3.7.0 upgrade

Thanks Joe, I'll give your suggestions a try and report back.

It's a file downloaded from the Shared Files Module that I'm having trouble with.

Thanks again

Robert

10/14/2011 10:58:36 AM

bonhamrl

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Robert

Re: Slow Downloads since 2.3.7.0 upgrade

I'm getting this error in the log

2011-10-14 07:22:41,067 INFO (null) - (null) - (null) - mojoPortal.Web.Global - Application Started.
2011-10-14 07:22:56,692 ERROR 64.13.95.100 - en-US - /portal/SharedFiles/Download.aspx?pageid=2&mid=2&fileid=31 - mojoPortal.Web.Global - 64.13.95.100 /portal/SharedFiles/Download.aspx?pageid=2&mid=2&fileid=31 Referrer(http://gis.jacksoncounty.org/portal/gis-data.aspx) useragent Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.202 Safari/535.1
System.Web.HttpException (0x80004005): Request timed out.
2011-10-14 07:22:57,130 INFO (null) - (null) - (null) - mojoPortal.Web.Global - Global.asax.cs Application_End

10/14/2011 12:36:51 PM

bonhamrl

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Robert

Re: Slow Downloads since 2.3.7.0 upgrade

I altered the <httpRuntime> element with the settings in the commented out section of the web.config (full trust), and at least downloads are completing now.

We're still experiencing something 'odd' with the system compared to before the update, but our network guys have made some changes also, so I'm thinking all is good on my end (for now)

Thanks you very much for your help Joe, I'm assuming you have many clones or elves helping you, since I have no idea how you keep up with all the development and helping us all out.

Robert

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