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Curl HTTP Get Requests Slow Under MS-Windows?

From: Kev <s7g2vp2_at_yahoo.co.uk>
Date: Tue, 21 Jan 2014 15:19:12 +0000 (GMT)

Hi

We are seeing very slow performance when using Curl under MS-Windows. The problem seems to be when we are downloading files via HTTP GET requests. For example, downloading an 80MB file across our network gives the following results:1. Mac running curl command line tool 7.24.0 between 9 & 20 seconds
2. MS-Windows running curl command line tool 7.34.0 between 142 & 167 seconds

We have duplicated this on VMs running Windows 7 and Windows 2008 Server. To rule-out it being a general networking issue on the VMs we have also timed how long it takes to download the files using IE and wfetch. Both of these applications downloaded the file at a similar performance to the Mac.

The command line we have performed the test with is nothing special:

curl "http://x.x.x.x/myfileurl" > curloutput.txt

Do you need any additional information to investigate this?

Thanks.
Kev.

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Received on 2014-01-21