Jackie-Jiang commented on code in PR #10371:
URL: https://github.com/apache/pinot/pull/10371#discussion_r1127086390
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pinot-core/src/main/java/org/apache/pinot/core/operator/filter/FilterOperatorUtils.java:
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@@ -28,9 +28,207 @@
public class FilterOperatorUtils {
+
+ private static volatile Implementation _instance = new Implementation();
Review Comment:
This is good learning for me. I thought reading volatile is always from main
memory, but seems it can be read from L1 cache as long as the value is not
written to for most modern hardware
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