Loki returns no data, although there is data

 In a multi-tenant system, You'd have to specify the org-id as "undefined", or no data will come back:

    logcli --org-id="undefined" query '{your_label="your_label_value"}'

If you are using the HTTP API, you'd have to set the

X-Scope-OrgID header to "undefined". Screenshot from my Chrome's ModHeader:

Credit: Tyler Owen