Description
Given a feed/process instance this command traces it's ancestors to find what all ancestors have failed. It's useful if lot of instances are failing in a pipeline as it then finds out the root cause of the pipeline being stuck.
Parameters
- :entity-type type of entity(feed/process).
- :entity-name name of the feed/process.
- :start instance time of the entity instance.
- :colo <optional param> name of the colo on which you want to triage
- doAs <optional query param> allows the current user to impersonate the user passed in doAs when interacting with the Falcon system.
Rest Call
GET http://localhost:15000/api/instance/triage/feed/my-feed?start=2015-03-02T00:00Z&colo=local&doAs=joe
Result
{
"vertices": ["(FEED) my-feed (2015-03-02T00:00Z) [Unavailable]", "(PROCESS) producer-process (2015-03-01T10:00Z) [TIMEDOUT]", "(FEED) input-feed-for-producer (2015-03-01T00:00Z) [Available]"],
"edges":
[
{
"from" : "(PROCESS) producer-process (2015-03-01T10:00Z) [TIMEDOUT]",
"to" : "(FEED) my-feed (2015-03-02T00:00Z) [Unavailable]",
"label" : "produces"
},
{
"from" : "(FEED) input-feed-for-producer (2015-03-01T00:00Z) [Available]",
"to" : "(PROCESS) producer-process (2015-03-01T10:00Z) [TIMEDOUT]",
"label" : "consumed by"
}
]
}