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o:RDoc::Markup::Paragraph;[I"tMakes a unique request id available to the +action_dispatch.request_id+ env variable (which is then accessible ;TI"wthrough <tt>ActionDispatch::Request#request_id</tt> or the alias <tt>ActionDispatch::Request#uuid</tt>) and sends ;TI";the same id to the client via the X-Request-Id header.;To:RDoc::Markup::BlankLineo;	;[I"yThe unique request id is either based on the X-Request-Id header in the request, which would typically be generated ;TI"qby a firewall, load balancer, or the web server, or, if this header is not available, a random uuid. If the ;TI"vheader is accepted from the outside world, we sanitize it to a max of 255 chars and alphanumeric and dashes only.;T@o;	;[I"xThe unique request id can be used to trace a request end-to-end and would typically end up being part of log files ;TI"'from multiple pieces of the stack.;T:
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