bipinprasad commented on a change in pull request #3302:
URL: https://github.com/apache/storm/pull/3302#discussion_r451779409
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File path: storm-server/src/main/java/org/apache/storm/daemon/nimbus/Nimbus.java
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@@ -3370,8 +3378,18 @@ public void rebalance(String topoName, RebalanceOptions
options)
checkAuthorization(topoName, topoConf, operation);
// Set principal in RebalanceOptions to nil because users are not
suppose to set this
options.set_principal(null);
+ // check if executor counts are correctly specified
+ StormTopology stormTopology = tryReadTopologyFromName(topoName);
+ Set<String> comps = new HashSet<>();
+ comps.addAll(stormTopology.get_spouts().keySet());
+ comps.addAll(stormTopology.get_bolts().keySet());
Map<String, Integer> execOverrides =
options.is_set_num_executors() ? options.get_num_executors() :
Collections.emptyMap();
- for (Integer value : execOverrides.values()) {
+ for (Map.Entry<String, Integer> e: execOverrides.entrySet()) {
+ String comp = e.getKey();
+ Integer value = e.getValue();
+ if (!comps.contains(comp)) {
Review comment:
Changed to allow system components.
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