뉴렐릭에서 HAProxy 데이터 찾기 및 쿼리

-- Sessions per second across frontends
FROM Metric SELECT average(haproxy.sessions.rate)
WHERE haproxy.service_name = 'FRONTEND'
FACET haproxy.proxy_name
TIMESERIES

-- Error rates by backend
FROM Metric SELECT rate(sum(haproxy.responses.errors), 1 minute) AS 'Errors/min'
WHERE haproxy.service_name = 'BACKEND'
FACET haproxy.proxy_name
TIMESERIES

-- Bytes throughput (in + out)
FROM Metric SELECT rate(sum(haproxy.bytes.input), 1 minute) AS 'Bytes In/min',
  rate(sum(haproxy.bytes.output), 1 minute) AS 'Bytes Out/min'
FACET haproxy.proxy_name
TIMESERIES

-- Backend server health
FROM Metric SELECT latest(haproxy.active) AS 'Active Servers',
  latest(haproxy.backup) AS 'Backup Servers'
WHERE haproxy.service_name = 'BACKEND'
FACET haproxy.proxy_name

-- Request queue depth (indicates backend saturation)
FROM Metric SELECT max(haproxy.requests.queued)
WHERE haproxy.service_name = 'BACKEND'
FACET haproxy.proxy_name
TIMESERIES

-- HAProxy spans by name
FROM Span SELECT count(*)
WHERE service.name = 'YOUR_HAPROXY_SERVICE_NAME'
FACET name
SINCE 1 hour ago

-- Distributed traces flowing through HAProxy
-- Shows all services participating in traces that include HAProxy
FROM Span SELECT uniques(service.name)
WHERE trace.id IN (
  SELECT uniques(trace.id) FROM Span
  WHERE service.name = 'YOUR_HAPROXY_SERVICE_NAME'
  SINCE 30 minutes ago LIMIT 10
)
SINCE 30 minutes ago

-- Service relationships involving HAProxy
FROM Relationship SELECT *
WHERE source.entityName = 'YOUR_HAPROXY_SERVICE_NAME'
  OR target.entityName = 'YOUR_HAPROXY_SERVICE_NAME'
SINCE 1 day ago