Route 53 health-checking

Disaster Recovery and High Availability for Azure Applications

Route 53 health-checking agents

Calculated Health Checks
AND, OR, and NOT

Request interval: 30 sec ( Timeout: 10 sec)
Failure threshold: The number of consecutive health checks that an endpoint must pass or fail

Price(2022)

Managing hosted zones: You pay a monthly charge for each hosted zone managed with Route 53.

Hosted Zones and Records

• $0.50 zone/month     # for the first 25 hosted zones
• A hosted zone includes 10,000 records.

Queries

Standard Queries

• $0.40 per million queries – first 1 Billion queries / month
• $0.20 per million queries – over 1 Billion queries / month

php testing script

<?php
$username = "your_name";
$password = "your_password";
$hostname = "localhost";

//connection to the database
$dbhandle = mysql_connect($hostname, $username, $password)
 or die("Unable to connect to MySQL");
echo "Connected to MySQL<br>";

//select a database to work with
$selected = mysql_select_db("examples",$dbhandle)
  or die("Could not select examples");

//execute the SQL query and return records
$result = mysql_query("SELECT id, model,year FROM cars");

//fetch tha data from the database
while ($row = mysql_fetch_array($result)) {
   echo "ID:".$row{'id'}." Name:".$row{'model'}."Year: ". //display the results
   $row{'year'}."<br>";
}
//close the connection
mysql_close($dbhandle);
?>