nginx logs error that cause connection refuse

Job ID: 30876751

Budget: $10 – $30 USD

I have cent os 7 server that working with apache, nginx and perl
but it has many errors while connecting to files on the server
In my nginx log i found the following errors

* send() failed (111: Connection refused)
* send() to syslog failed while logging request
* perl: speed: 1048576 (11: Resource temporarily unavailable)
* client timed out (110: Connection timed out) while waiting for request
* client prematurely closed connection (104: Connection reset by peer) while sending response to client

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Related categories: Perl System Admin Linux Apache Nginx