$ curl http://localhost:9090/alerts
Request:
<Request at 0x7f34ad625878 method=GET uri=/alerts clientproto=HTTP/1.1>
<pybal.instrumentation.Alerts instance at 0x7f34acd22170>
u'CRITICAL - thumbor_8800: Servers thumbor1004.eqiad.wmnet, thumbor1002.eqiad.wmnet, thumbor1003.eqiad.wmnet are marked down but pooled'