ID-1095 reduce bucket count by a third

src/main/java/bio/terra/common/opentelemetry/HttpMetricsAdvice.java

@@ -21,27 +21,27 @@
  */
 final class HttpMetricsAdvice {
 
-  // every 10ms up to 500ms, then every 100ms up to 2s, then every 1s up to 10s, then every 5s up to
-  // 1m, then every 10s up to 3m
+  // every 10ms up to 100ms, then every 190ms up to 2s (190 ends neatly at 2s), then every 2s up to
+  // 10s, then every 30s up to 3m
   static final List<Double> DURATION_SECONDS_BUCKETS =
+      // does all the math in terms of milliseconds, then converts to seconds, otherwise the
+      // precision is wonky
       DoubleStream.iterate(
-              0.01,
-              d -> d < (double) 60 * 3,
+              10,
+              d -> d < 60000 * 3,
               d -> {
-                if (d < .5) {
-                  return d + 0.01;
+                if (d < 100) {
+                  return d + 10;
                 }
-                if (d < 2) {
-                  return d + 0.1;
+                if (d < 2000) {
+                  return d + 190;
                 }
-                if (d < 10) {
-                  return d + 1;
+                if (d < 10000) {
+                  return d + 2000;
                 }
-                if (d < 60) {
-                  return d + 5;
-                }
-                return d + 10;
+                return d + 20000;
               })
+          .map(d -> d / 1000.0)
           .boxed()
           .toList();