jtuglu1 commented on code in PR #18813:
URL: https://github.com/apache/druid/pull/18813#discussion_r2605019071
##########
extensions-contrib/spectator-histogram/src/main/java/org/apache/druid/spectator/histogram/SpectatorHistogramBufferAggregator.java:
##########
@@ -62,70 +57,41 @@ public void aggregate(ByteBuffer buffer, int position)
if (obj == null) {
return;
}
- SpectatorHistogram counts = histogramCache.get(buffer).get(position);
- if (obj instanceof SpectatorHistogram) {
- SpectatorHistogram other = (SpectatorHistogram) obj;
- counts.merge(other);
- } else if (obj instanceof Number) {
- counts.insert((Number) obj);
- } else {
- throw new IAE(
- "Expected a number or a long[], but received [%s] of type [%s]",
- obj,
- obj.getClass()
- );
- }
+ SpectatorHistogram counts = innerAggregator.get(buffer, position);
+ innerAggregator.merge(counts, obj);
}
@Override
public Object get(final ByteBuffer buffer, final int position)
{
- // histogramCache is an IdentityHashMap where the reference of buffer is
used for equality checks.
- // So the returned object isn't impacted by the changes in the buffer
object made by concurrent threads.
-
- SpectatorHistogram spectatorHistogram =
histogramCache.get(buffer).get(position);
- if (spectatorHistogram.isEmpty()) {
+ SpectatorHistogram histo = innerAggregator.get(buffer, position);
+ if (histo.isEmpty()) {
Review Comment:
cc @clintropolis if you have any thoughts, otherwise I'm inclined to leave
as-is.
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