Github user knusbaum commented on a diff in the pull request:
https://github.com/apache/storm/pull/921#discussion_r47692234
--- Diff: storm-core/src/jvm/backtype/storm/scheduler/TopologyDetails.java
---
@@ -403,13 +415,23 @@ public void addResourcesForExec(ExecutorDetails exec,
Map<String, Double> resour
* Add default resource requirements for a executor
*/
public void addDefaultResforExec(ExecutorDetails exec) {
+ Double topologyComponentCpuPcorePercent =
Utils.getDouble(topologyConf.get(Config.TOPOLOGY_COMPONENT_CPU_PCORE_PERCENT),
null);
+ if (topologyComponentCpuPcorePercent == null) {
+ LOG.warn("default value for
topology.component.cpu.pcore.percent needs to be set!");
--- End diff --
Why don't we throw something that's not an NPE here, then? I'd rather fail
earlier than later.
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