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Slow curl performance #9

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davidsayre opened this issue Aug 26, 2014 · 1 comment
Open

Slow curl performance #9

davidsayre opened this issue Aug 26, 2014 · 1 comment

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@davidsayre
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I wanted to provide a tip regarding this extension and the php curl library on a server with both ipv4 and ipv6.

We ran into signifigant performance issues and the root of the problem was that on the server (RHEL 5 running 5.3) the curl requests were trying ipv6 DNS lookups before ipv4.

There are 2 fixes for this.

  1. edit ALL of the CURLOPT code blocks to include curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4 );
  2. force the server to stop using ipv6.

Once this was done the curl API performance was near instant.
@SerheyDolgushev
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Hi David,
Can you please push your changes in this pull request?

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@SerheyDolgushev @davidsayre