Assertion: haystack | /r/CapableOf | use tracing data
Facets:
value: from a central store
type: TRANSITIVE-OBJECT
Source sentences:
text: Haystack uses tracing data from a central store to help you locate the source of the problem -- to drill down to the precise part of a service transaction where failures or latency are occurring -- and find the proverbial "needle in a haystack".