What is the use of @ReadOnly annotation in Salesforce ?

<div data-md=”61″ lang=”en-IN”><div aria-level=”3″ role=”heading” data-attrid=”wa:/description” data-hveid=”CBEQAg”>Use the @ReadOnly annotation on a controller method allows you to retrieve a larger collection of records as the result of a Visualforce expression.

<div><div data-hveid=”CBEQAw” data-ved=”2ahUKEwjy4IqE7O3qAhWf6nMBHSiEBeoQFSgCMAF6BAgREAM”>
</div></div></div></div>