adjust buckets (#6750)

Author: n1ru4l

packages/services/schema/src/metrics.ts

@@ -12,23 +12,29 @@ export const schemaCompositionCounter = new metrics.Counter({
   labelNames: ['cache' /* hit or miss */, 'type' /* success, failure or timeout */],
 });
 
+const msBuckets = [50, 300, 2_000, 5_000, 10_000];
+
 export const compositionTotalDurationMS = new metrics.Histogram({
   name: 'composition_total_duration_ms',
   help: 'Total time of processing a composition (includes time in queue + actual processing time)',
+  buckets: msBuckets,
 });
 
 export const compositionQueueDurationMS = new metrics.Histogram({
   name: 'composition_queue_duration_ms',
   help: 'Time spent in queue before being processed.',
+  buckets: msBuckets,
 });
 
 export const compositionWorkerDurationMS = new metrics.Histogram({
   name: 'composition_worker_duration_ms',
   help: 'Time of running composition in worker',
   labelNames: ['type' /* single, federation or stitching */],
+  buckets: msBuckets,
 });
 
 export const compositionCacheValueSizeBytes = new metrics.Histogram({
   name: 'composition_cache_value_size_bytes',
   help: 'The size of the cache entries.',
+  buckets: [200, 500, 1_000, 2_000, 3_000, 4_000, 5_000, 7_000, 10_000, 15_000, 20_000, 30_000],
 });