gaodayue commented on a change in pull request #6402: Thread-safe QueryMetrics
URL: https://github.com/apache/incubator-druid/pull/6402#discussion_r227251555
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File path: processing/src/main/java/org/apache/druid/query/QueryPlus.java
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@@ -100,23 +100,11 @@ private QueryPlus(Query<T> query, QueryMetrics<?>
queryMetrics, String identity)
}
}
- /**
- * Returns a QueryPlus object without the components which are unsafe for
concurrent use from multiple threads,
- * therefore couldn't be passed down in concurrent or async {@link
QueryRunner}s.
- *
- * Currently the only unsafe component is {@link QueryMetrics}, i. e. {@code
withoutThreadUnsafeState()} call is
- * equivalent to {@link #withoutQueryMetrics()}.
- */
- public QueryPlus<T> withoutThreadUnsafeState()
- {
- return withoutQueryMetrics();
- }
-
/**
* Returns the same QueryPlus object, if it doesn't have {@link
QueryMetrics} ({@link #getQueryMetrics()} returns
Review comment:
add motivation to comments
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