Ethanlm commented on a change in pull request #3011: STORM-3395 Fix Placeholder
Topology page components show task counts
URL: https://github.com/apache/storm/pull/3011#discussion_r289044388
##########
File path:
storm-server/src/main/java/org/apache/storm/daemon/nimbus/Nimbus.java
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@@ -4214,6 +4203,31 @@ private void
maybeAddPlaceholderBoltAggStats(TopologyPageInfo topoPageInfo, Stor
}
}
+ private CommonAggregateStats getPlaceholderCommonAggregateStats(Object
component) {
+ // common aggregate
+ CommonAggregateStats commonStats = new CommonAggregateStats();
+
+ // get num_executors
+ int numExecutors = 0;
+ try {
+ numExecutors = StormCommon.numStartExecutors(component);
+ } catch (InvalidTopologyException e) {
Review comment:
It looks like we can remove `throws InvalidTopologyException` from
`numStartExecutors` and then we don't need to catch the
`InvalidTopologyException`. But it's okay to keep it this way for now
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