使用 Grafana 和 ClickHouse 实现可观测性

SELECT Timestamp as timestamp, Body as body, SeverityText as level, TraceId as traceID FROM "default"."otel_logs" WHERE ( timestamp >= $__fromTime AND timestamp <= $__toTime ) ORDER BY timestamp DESC LIMIT 1000

SELECT "TraceId" as traceID,
  "ServiceName" as serviceName,
  "SpanName" as operationName,
  "Timestamp" as startTime,
  multiply("Duration", 0.000001) as duration
FROM "default"."otel_traces"
WHERE ( Timestamp >= $__fromTime AND Timestamp <= $__toTime )
  AND ( ParentSpanId = '' )
  AND ( Duration > 0 )
  ORDER BY Timestamp DESC, Duration DESC LIMIT 1000

WITH '<trace_id>' AS trace_id,
  (SELECT min(Start) FROM "default"."otel_traces_trace_id_ts"
    WHERE TraceId = trace_id) AS trace_start,
  (SELECT max(End) + 1 FROM "default"."otel_traces_trace_id_ts"
    WHERE TraceId = trace_id) AS trace_end
SELECT "TraceId" AS traceID,
  "SpanId" AS spanID,
  "ParentSpanId" AS parentSpanID,
  "ServiceName" AS serviceName,
  "SpanName" AS operationName,
  "Timestamp" AS startTime,
  multiply("Duration", 0.000001) AS duration,
  arrayMap(key -> map('key', key, 'value',"SpanAttributes"[key]),
  mapKeys("SpanAttributes")) AS tags,
  arrayMap(key -> map('key', key, 'value',"ResourceAttributes"[key]),
  mapKeys("ResourceAttributes")) AS serviceTags
FROM "default"."otel_traces"
WHERE traceID = trace_id
  AND startTime >= trace_start
  AND startTime <= trace_end
LIMIT 1000

SELECT Timestamp AS "timestamp",
  Body AS "body", SeverityText AS "level",
  TraceId AS "traceID" FROM "default"."otel_logs"
WHERE ( traceID = '<trace_id>' )
ORDER BY timestamp ASC LIMIT 1000

SELECT
 $__timeInterval(Timestamp) as time,
 quantile(0.99)(Duration)/1000000 AS p99
FROM otel_traces
WHERE
 $__timeFilter(Timestamp)
 AND ( Timestamp  >= $__fromTime AND Timestamp <= $__toTime )
GROUP BY time
ORDER BY time ASC
LIMIT 100000

SELECT
  $__timeInterval(Timestamp) as time,
  ServiceName,
  quantile(0.99)(Duration)/1000000 AS p99
FROM otel_traces
WHERE $__timeFilter(Timestamp)
AND ( Timestamp  >= $__fromTime AND Timestamp <= $__toTime )
GROUP BY ServiceName, time
ORDER BY time ASC
LIMIT 100000

WITH coords AS
        (
        SELECT
                Latitude,
                Longitude,
                geohashEncode(Longitude, Latitude, 4) AS hash
        FROM otel_logs_v2
        WHERE (Longitude != 0) AND (Latitude != 0)
        )
SELECT
        hash,
        count() AS heat,
        round(log10(heat), 2) AS adj_heat
FROM coords
GROUP BY hash