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