Ethanlm commented on a change in pull request #3237: STORM-3259: Adds NUMA
awareness to enable worker pinning
URL: https://github.com/apache/storm/pull/3237#discussion_r401240239
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File path:
storm-server/src/main/java/org/apache/storm/daemon/supervisor/BasicContainer.java
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@@ -665,8 +666,10 @@ protected String javaCmd(String cmd) {
commandList.addAll(classPathParams);
commandList.add(getWorkerMain(topoVersion));
commandList.add(topologyId);
+ if (numaId != null) {
+ supervisorId += Constants.NUMA_ID_SEPARATOR + numaId;
Review comment:
I mostly worried about the order. If it's not called yet but accessed
somewhere else, the result can be unexpected. We shouldn't implicitly change
the meaning of the attribute `supervisorId`. If we want to attach "numa" to it,
do it as earliest as possible so we know everywhere we see a `supervisorId` in
Container, it has "numa"
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