jmark99 commented on a change in pull request #3918: NIFI-6931 Add
status-history graph to track backpressure estimates
URL: https://github.com/apache/nifi/pull/3918#discussion_r368048998
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File path:
nifi-commons/nifi-properties/src/main/java/org/apache/nifi/util/NiFiProperties.java
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@@ -321,10 +322,13 @@
// analytics defaults
public static final String DEFAULT_ANALYTICS_PREDICTION_ENABLED = "false";
public static final String DEFAULT_ANALYTICS_PREDICTION_INTERVAL = "3
mins";
Review comment:
There was an issue at the time of development where if the value for the
DEFAULT_ANALYTICS_QUERY_INTERVAL and DEFAULT_ANALYTICS_PREDICTION_INTERVAL were
identical then we were seeing invalid computations due to a difference in the
way some threads were accessing the data. A fix was to increase the query
interval to be larger than the prediction interval. This should not affect the
computations since they are based upon the prediction interval. It would
perhaps delay the first computation from being calculated by two minutes, after
that there would be no effect. This problem may be corrected with NIFI-6801. If
so, we can revert the value back to 3 at a later time.
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