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POPosting a large amount of data (~500k to 2MB) to IIS
 

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  1. POPosting a large amount of data (~500k to 2MB) to IIS
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    <p>Users are posting large amounts of text to my website (500k-2MB) range, and for certain users (almost always geographically very far away like Australia) the server is not receiving all of the data (example, they post 600k the server receives 500k).</p> <p>My suspicion is the post is timing out while sending the data.</p> <p>My thought to solve this is to compress the contents client side and send a much smaller packet to my server. Using <a href="http://blog.istepaniuk.com/client-side-compression-with-javascript/" rel="nofollow noreferrer">http://blog.istepaniuk.com/client-side-compression-with-javascript/</a>. I was able do this, but the algorithm degrades horrendously on a 2mb file brining my server to it's knees. I have been unable to get GZIP/deflate working (based off of <a href="http://problemsolverblog.blogspot.com/2011/11/integration-of-js-deflate-with-other.html" rel="nofollow noreferrer">http://problemsolverblog.blogspot.com/2011/11/integration-of-js-deflate-with-other.html</a>)</p> <p>Questions</p> <ol> <li>What would the recommended technique be for "posting" data at this size</li> <li>If the recommended solution is to use client side (JS) compression and server side (C#) decompression has anyone done this successfully with available libraries? If so which ones.</li> </ol> <p>** There are a few similar questions on SO, but I have found their answers incomplete/lacking for my needs. (<a href="https://stackoverflow.com/questions/3374152/using-xhr-to-send-large-amounts-of-data-via-post">Using XHR to send large amounts of data via POST</a>, <a href="https://stackoverflow.com/questions/13031968/compressing-http-post-data-sent-from-browser">Compressing HTTP Post Data sent from browser</a>, </p>
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    1. USAaron Sherman
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    1. COHave you added a long timeout to your web.config? `<httpRuntime executionTimeout="3600" maxRequestLength="1536000"/>` Are there errors in your eventLog on the server?
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      1. USdcaswell
    2. COI had the timeout out at 300, I will bump it to 3600 and see what happens. Of course like any good hard to replicate error I go days between issues. There is nothing in the IIS logs, but I do log the partial posts. (and thanks).
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      1. USAaron Sherman
 

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