02-14-2020
This reminds me a strange issue we had going for months before I managed to prove it was Patrol related...
I never liked BMC Patrol as for me expensive and big CPU Hog... compared to much better vendors such as sysload...
What happened is that periodically something that should not happen does: all the Patrol system, Oracle etc requests fall at the same time... Could be the same here 2-3 bots with requests you see you believe innocent so dont bother when fall together can put high load... I would not make a fuss if it does not last long, but remember it can happen it could fall on a moment when the box is running at 100% and then its not quite the same
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LEARN ABOUT MOJAVE
curlopt_http_version
CURLOPT_HTTP_VERSION(3) curl_easy_setopt options CURLOPT_HTTP_VERSION(3)
NAME
CURLOPT_HTTP_VERSION - specify HTTP protocol version to use
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HTTP_VERSION, long version);
DESCRIPTION
Pass version a long, set to one of the values described below. They ask libcurl to use the specific HTTP versions. This is not sensible to
do unless you have a good reason. You have to set this option if you want to use libcurl's HTTP/2 support.
Note that the HTTP version is just a request. libcurl will still prioritize to re-use an existing connection so it might then re-use a con-
nection using a HTTP version you haven't asked for.
CURL_HTTP_VERSION_NONE
We don't care about what version the library uses. libcurl will use whatever it thinks fit.
CURL_HTTP_VERSION_1_0
Enforce HTTP 1.0 requests.
CURL_HTTP_VERSION_1_1
Enforce HTTP 1.1 requests.
CURL_HTTP_VERSION_2_0
Attempt HTTP 2 requests. libcurl will fall back to HTTP 1.1 if HTTP 2 can't be negotiated with the server. (Added in 7.33.0)
The alias CURL_HTTP_VERSION_2 was added in 7.43.0 to better reflect the actual protocol name.
CURL_HTTP_VERSION_2TLS
Attempt HTTP 2 over TLS (HTTPS) only. libcurl will fall back to HTTP 1.1 if HTTP 2 can't be negotiated with the HTTPS server. For
clear text HTTP servers, libcurl will use 1.1. (Added in 7.47.0)
CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE
Issue non-TLS HTTP requests using HTTP/2 without HTTP/1.1 Upgrade. It requires prior knowledge that the server supports HTTP/2
straight away. HTTPS requests will still do HTTP/2 the standard way with negotiated protocol version in the TLS handshake. (Added in
7.49.0)
DEFAULT
CURL_HTTP_VERSION_NONE
PROTOCOLS
HTTP
EXAMPLE
TODO
AVAILABILITY
Along with HTTP
RETURN VALUE
Returns CURLE_OK if HTTP is supported, and CURLE_UNKNOWN_OPTION if not.
SEE ALSO
CURLOPT_SSLVERSION(3), CURLOPT_HTTP200ALIASES(3),
libcurl 7.54.0 May 01, 2016 CURLOPT_HTTP_VERSION(3)