Clarify with example of file-backend specific metrics (#3913)
Clarify with example of file-backend specific metrics (#3913)


rnaveiras/vault,mgk/vault,hashicorp/vault,joelthompson/vault,rnaveiras/vault,Aloomaio/vault,kingland/vault,naunga/vault,joelthompson/vault,hartsock/vault,Aloomaio/vault,kingland/vault,joelthompson/vault,mgk/vault,quixoten/vault,hartsock/vault,rnaveiras/vault,Aloomaio/vault,hashicorp/vault,hartsock/vault,hashicorp/vault,hashicorp/vault,quixoten/vault,mgk/vault,naunga/vault,quixoten/vault,hashicorp/vault,hartsock/vault,rnaveiras/vault,hashicorp/vault,kingland/vault,joelthompson/vault,hartsock/vault,kingland/vault,Aloomaio/vault,quixoten/vault,kingland/vault,mgk/vault,rnaveiras/vault