[jira] [Created] (YARN-8694) app flex with relative changes does not work

["kyungwan nam (JIRA)" <ji...@apache.org>]

kyungwan nam created YARN-8694:
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             Summary: app flex with relative changes does not work
                 Key: YARN-8694
                 URL: https://issues.apache.org/jira/browse/YARN-8694
             Project: Hadoop YARN
          Issue Type: Bug
          Components: yarn-native-services
    Affects Versions: 3.1.1
            Reporter: kyungwan nam


I'd like to increase 2 containers as belows.
{code:java}
yarn app -flex my-sleeper -component sleeper +2{code}
but, It did not work. it seems to request 2, not +2.

 

ApiServiceClient.actionFlex
{code:java}
@Override
public int actionFlex(String appName, Map<String, String> componentCounts)
    throws IOException, YarnException {
  int result = EXIT_SUCCESS;
  try {
    Service service = new Service();
    service.setName(appName);
    service.setState(ServiceState.FLEX);
    for (Map.Entry<String, String> entry : componentCounts.entrySet()) {
      Component component = new Component();
      component.setName(entry.getKey());

      Long numberOfContainers = Long.parseLong(entry.getValue());
      component.setNumberOfContainers(numberOfContainers);
      service.addComponent(component);
    }
    String buffer = jsonSerDeser.toJson(service);
    ClientResponse response = getApiClient(getServicePath(appName))
        .put(ClientResponse.class, buffer);{code}
It looks like there is no code, which handle “+”, “-“ in ApiServiceClient.actionFlex



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