I am using multi interface to send 1000's of GET requests and process the
responses.

In certain cases I am seeing a mismatch in requests sent to responses
received.

For example, 200 requests are sent but only 195 responses are processed
even though 200 OK responses are received by the client.
I used wireshark to confirm that all requests are getting responses.

Which means curl_multi_info_read() is handing over only 195 responses.
This is not a right behavior. Any idea as to why this could happen?

In certain other cases, after 200OK is processed but curl is immediately
sending reset.
I would also like to know why.

Is there a way to see what happens behind the scene? Like enable logging so
that I can see info level and error logs generated by libcurl

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Received on 2014-10-06