aderm commented on a change in pull request #4353: Optimizing performance
reduces es index queries scope by timebucket
URL: https://github.com/apache/skywalking/pull/4353#discussion_r378083903
##########
File path:
oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/DurationUtils.java
##########
@@ -213,4 +213,36 @@ private DateTime parseToDateTime(Downsampling
downsampling, long time) {
}
throw new UnexpectedException("Unexpected downsampling: " +
downsampling.name());
}
+
+ public DateTime startTimeBucket2DateTime(Downsampling downsampling, long
startTB) {
Review comment:
Indeed, it maybe faster to convert to long like 202002. When the timebucket
scope in loop statement add one day or month will trouble.
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