Github user tweise commented on a diff in the pull request:
https://github.com/apache/incubator-apex-core/pull/193#discussion_r48622829
--- Diff: api/src/main/java/com/datatorrent/api/Context.java ---
@@ -335,10 +335,16 @@
Attribute<String> APPLICATION_DATA_LINK = new Attribute<String>(new
String2String());
/**
* Transport to push the stats and the metrics, "builtin:{topic}" if
STRAM should push the data directly
- * using websocket with the given topic
+ * using websocket with the given topic.
+ * If using a custom transport, please use Object2String codec to
specify the transport object. The object must
+ * be from a class that implements the AutoMetric.Transport interface
*/
Attribute<String> METRICS_TRANSPORT = new Attribute<String>(new
String2String());
/**
+ * The interval in milliseconds to resend metrics schema. Default
value is 10,000 (10 seconds)
+ */
+ Attribute<Long> METRICS_SCHEMA_RESEND_INTERVAL = new
Attribute<Long>(10000L);
--- End diff --
Shouldn't the resend interval be part of the transport as the need to do
that is driven by the properties of the transport, i.e. need to resend if
messages could be lost?
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