[Monitoring UI] Add Logstash persistent queue stats (elastic/elasticsearch#4775)
* Add persistent queue charts to Logstash "Advanced" view.
Original commit: elastic/x-pack-elasticsearch@62fac9f46941ab9d27085128f120b6be1b65d866
"type": "long"
}
}
+ },
+ "queue": {
+ "properties": {
+ "events_count": {
+ "type": "long"
+ },
+ "type": {
+ "type": "keyword"
+ }
+ }
}
}
}
