Updating version release_notes to 1.73.1 for imminent release

Author: alexdalitz

RELEASE_NOTES.md

@@ -1,5 +1,8 @@
 # Release Notes
 
+## v1.73.1
+* fix(caa): add support for issuevmc (#214) - thanks Mark McDonnell!
+
 ## v1.73.0
 
 * Ruby 3.4 updates - thanks @zarqman!

cache_delay.rb

@@ -0,0 +1,20 @@
+require "dnsruby"
+Dnsruby::TheLog.level = Logger::DEBUG
+
+def testme
+  domain1 = "example.com"
+  domain2 = "example.net"
+  
+  start_time = Time.now
+  resolver = Dnsruby::Resolver.new
+  resolver.query(domain1)
+  puts "First query time: #{Time.now - start_time} seconds"
+  
+  start_time = Time.now
+  resolver = Dnsruby::Resolver.new
+  resolver.query(domain2)
+  puts "Second query time: #{Time.now - start_time} seconds"
+end
+
+testme
+testme

fd.ruby

@@ -0,0 +1,33 @@
+#!/usr/bin/env ruby
+
+# frozen_string_literal: true
+
+require 'dnsruby'
+require 'thread'
+
+#Dnsruby.log.level = Logger::DEBUG
+
+# speed up the repro
+NFILES = 30
+nfiles, _ = Process.getrlimit(Process::RLIMIT_NOFILE)
+Process.setrlimit(Process::RLIMIT_NOFILE, NFILES) if nfiles > NFILES
+
+NAMESERVERS = ["192.31.80.30"]
+
+Thread.new {
+  res = Dnsruby::Resolver.new(nameserver: NAMESERVERS, do_caching: false, query_timeout: 5)
+  loop do
+    begin
+      res.query("blahblahblah.com.edgekey.net", "CNAME")
+    rescue Dnsruby::ResolvError
+    end
+    sleep 0.2
+  end
+}
+
+loop do
+#  system("ls -l /proc/#{Process.pid}/fd/")
+  system("lsof -p #{Process.pid} | wc -l")
+  File.open("/") { |_| }
+  sleep 1
+end

lib/dnsruby/version.rb

@@ -1,3 +1,3 @@
 module Dnsruby
-  VERSION = '1.73.0'
+  VERSION = '1.73.1'
 end