lujiajing1126 commented on a change in pull request #8705:
URL: https://github.com/apache/skywalking/pull/8705#discussion_r829876463
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File path:
oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/storage/annotation/Column.java
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@@ -102,6 +101,28 @@
*/
AnalyzerType analyzer() default AnalyzerType.OAP_ANALYZER;
+ /**
+ * Sharding key is used to group time series data per metric of one entity.
+ * For example,
+ * ServiceA's traffic gauge, service call per minute, includes following
timestamp values, then it should be shard
+ * by service ID
+ * [ServiceA(encoded ID): 01-28 18:30 values-1, 01-28 18:31 values-2,
01-28 18:32 values-3, 01-28 18:32 values-4]
Review comment:
Make sense
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